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Статті в журналах з теми "Stratigraphic Devonian"

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Davlatov, Nodir Khairullaevich. "Stratigraphic Characteristic Devon System Of Mountain Kuldzhuktau (South Tian-Shan)." American Journal of Applied sciences 02, no. 12 (December 27, 2020): 100–112. http://dx.doi.org/10.37547/tajas/volume02issue12-16.

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This article presents the results of long-term stratigraphic studies on the territory of the Kuldzhuktau mountains. Schemes for the division and correlation of Devonian deposits have been created based on complete biostratigraphic data that most effectively reflect the geological age of local stratigraphic units and their reliable correlation with geological age. The tier units of the International Devonian Stratigraphic Scale are substantiated at the present stage of research. Due to the widespread use of conodonts, it was possible to clarify the physical and age volumes, as well as the sequence of Devonian deposits in the territory of Kuldzhuktau, and almost completely reconstruct the Devonian section.
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Anderson, Donna, and Mark Longman. "Subsurface Reinterpretation of Ordovician and Devonian Strata in Southwest Wyoming with Implications for Upwarping Across the Transcontinental Arch." Mountain Geologist 55, no. 3 (July 2018): 91–118. http://dx.doi.org/10.31582/rmag.mg.55.3.91.

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A new interpretation of the subsurface geometries of the Ordovician Bighorn Dolomite and overlying Devonian strata across southwestern Wyoming arises from revising the stratigraphy in a core from the Mountain Fuel Supply UPRR #11–19–104–4 well drilled on the crest of the Rock Springs Uplift in 1962. One of only a few wells to penetrate all or part of the Lower Paleozoic succession in the subsurface of southwestern Wyoming, the well was almost continuously cored through the Devonian–Cambrian succession. From a reinterpretation of the stratigraphy in the core, 22 ft of Bighorn Dolomite is recognized based on the characteristic Thalassinoides bioturbation fabric in skeletal dolowackestone typical of Late Ordovician subtidal carbonate facies ranging from Nevada to Greenland along the western margin of the Great American Carbonate Bank. This lithology is in complete contrast with the alternating dolomitic flat-pebble conglomerate and dolomudstone of the underlying Cambrian Gallatin Limestone and the cyclical units of brecciated anhydritic dolomudstone and quartzose sandstone of the overlying Devonian Lower Member of the Jefferson Formation. Stratigraphic re-interpretation yields insights regarding Ordovician–Devonian stratal geometries across southwestern Wyoming. More widespread than previously portrayed, the Bighorn Dolomite pinches out on the eastern flank of the Rock Springs Uplift. Similar to past interpretations, Devonian strata pinch out east of the Rock Springs Uplift at Table Rock Field. A true-geometry multi-datumed stratigraphic cross section yields insights not obtainable by mapping. Regionally, top truncation of stratigraphic units below the base-Madison Limestone unconformity normally progresses stratigraphically deeper eastward. However, in southwestern Wyoming, the Devonian Lower Member of the Jefferson Formation overlaps the older Bighorn Dolomite by marked onlap across the Rock Springs Uplift and then pinches out by top truncation/onlap near Table Rock Field, forming an “abnormal” overlap relationship along the northern margin of the Transcontinental Arch. The underlying Bighorn Dolomite shows little to no onlap onto the underlying Cambrian section, but is markedly top truncated below the Lower Member of the Jefferson Formation. Comparing proportions of onlap versus top truncation for the two formations constrains the timing of two successive upwarping episodes along the northern margin of the Transcontinental Arch across southwestern Wyoming. The first is arguably Middle Devonian, and the second spans the Devonian–Mississippian boundary. Two subtle and different angular unconformities created by these two episodes imply a persistent fold or tilt axis that sequentially was reactivated along the northern margin of the Transcontinental Arch in southwestern Wyoming.
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Leslie-Panek, Jennifer, Margot McMechan, and Fil Ferri. "Northeast British Columbia Liard Basin: A seismic stratigraphy study." Interpretation 8, no. 3 (June 13, 2020): T579—T588. http://dx.doi.org/10.1190/int-2019-0187.1.

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The Liard Basin is a highly prospective shale gas basin located in northeast British Columbia that is largely underrepresented in public literature. We used available-for-purchase 2D seismic data in the area to create a high-level, regional stratigraphic interpretation of the basin, providing the first seismically controlled overview of the basin structure and stratigraphy. The basin is characterized by two distinct, opposing wedges of sediment in the Mesozoic and Paleozoic sections: the Mesozoic with northeastward thinning and the Paleozoic with southwestward thinning. The wedging of the Upper Devonian-Lower Mississippian (Tournasian) section is dominated by multiple large packages of clinoforms, which progress into the basin from northeast to southwest and are predominantly seen in the seismic sequence stratigraphy. These distinct packages of clinoforms indicate changing sediment sources over time. In contrast, there are no clinoforms seen in the Mesozoic section, which may be a limitation of the orientation of the 2D seismic data that we used. Our result from the seismic interpretation is an updated interpretation of the Upper Devonian-Lower Mississippian stratigraphy of the Liard Basin, including an updated stratigraphic cross section for the area.
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URMANOVA, D., and D. D. HUMPHREY. "STRATIGRAPHIC DEVELOPMENT OF THE DEVONIAN-CARBONIFEROUS COMPLEX OF THE SOUTHERN SIDE OF THE CASPIAN DEEP." Neft i Gaz 131, no. 5 (October 30, 2022): 77–93. http://dx.doi.org/10.37878/2708-0080/2022-5.05.

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This article presents a study of the stratigraphic development of the Devonian-carboniferous complex of the southern side of the Caspian basin, in which a comprehensive study of sedimentary formations of the subsalt complex and the creation of a stratigraphic model of the Late Paleozoic stage of evolution of the southern Caspian sedimentary basin was carried out based on a refined correlation scheme by Abilkhasimov (2015), with the inclusion of generalized data on the structures of Ansagan and Maksat. The basis for the development of a stratigraphic model in the Late Paleozoic of the Coastal zone of carbonate structures in the south of the Caspian sedimentary basin is the classical structural and formation analysis, which reflects the main features: stratigraphy, tectonics, lithological composition, sedimentation conditions, sediment thickness.
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Sennikov, N. V., N. V. Novozhilova, O. T. Obut, and R. A. Khabibulina. "The Pridoli (Silurian) Lithostratigraphy and Biostratigraphy of Gorny Altai." Russian Geology and Geophysics 62, no. 11 (November 1, 2021): 1269–84. http://dx.doi.org/10.2113/rgg20204232.

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Abstract —The paper presents new data on the upper Silurian litho- and biostratigraphy of the Gorny Altai area. Sediments within this interval store a succession of taxonomically representative middle–upper Ludfordian, lower Pridoli, and Lower Devonian (Lochkovian–Pragian) conodont assemblages. The new fauna constraints made a basis for updated correlations of the local and regional stratigraphic units at the Silurian/Devonian boundary of Gorny Altai with the stages of the International Stratigraphic Chart. The correlation results reveal a mismatch between the boundaries of the local and regional Silurian units and the respective boundaries of stages in the International Stratigraphic Chart.
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Clark, David, Drew Derenthal, Bart Kowallis, and Scott Ritter. "The major pre-Mississippian unconformity in Rock Canyon, central Wasatch Range, Utah." Geology of the Intermountain West 1 (January 1, 2014): 1–5. http://dx.doi.org/10.31711/giw.v1.pp1-5.

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In central Utah, the major pre-Mississippian unconformity is fairly well understood at most of the localities where it is recognized. However, the unconformity is more enigmatic in Rock Canyon of the central Wasatch Range. At this locality, dolomitization of most pre-Mississippian rocks obscures stratigraphic identification of Devonian and older units. The absence of any identifiable angular relationship further complicates resolution. Because of this, both identification of the stratigraphic level of the unconformity and, consequently, its magnitude remain controversial. Large-size dolomite samples taken in Rock Canyon at closely spaced intervals for the 3.6-m directly below definite Upper Devonian rocks yield microfossils, including conodonts, in the uppermost 1.6-m of that interval that indicate no unconformity exists between the Cambrian Maxfield Limestone and the Upper Devonian-Lower Mississippian Fitchville Dolomite at the horizon previously identified as unconformable. Rather, an unknown thickness of dolomitized Upper Devonian Pinyon Peak Formation and probable older rock (possibly Bluebell Dolomite and Victoria Formation) occurs between the top of definite Maxfield and base of the Fitchville. The identification of the unconformity horizon remains unknown. Our preliminary work outlines a promising procedure for future understanding of the magnitude and stratigraphic level of the unconformity.
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Clark, David Leigh, Drew D. Derenthal, Bart J. Kowallis, and Scott M. Ritter. "The major pre-Mississippian unconformity in Rock Canyon, central Wasatch Range, Utah." Geology of the Intermountain West 1 (May 23, 2014): 1–5. http://dx.doi.org/10.31711/giw.v1i0.1.

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In central Utah, the major pre-Mississippian unconformity is fairly well understood at most of the localities where it is recognized. However, the unconformity is more enigmatic in Rock Canyon of the central Wasatch Range. At this locality, dolomitization of most pre-Mississippian rocks obscures stratigraphic identification of Devonian and older units. The absence of any identifiable angular relationship further complicates resolution. Because of this, both identification of the stratigraphic level of the unconformity and, consequently, its magnitude remain controversial. Large-size dolomite samples taken in Rock Canyon at closely spaced intervals for the 3.6-m directly below definite Upper Devonian rocks yield microfossils, including conodonts, in the uppermost 1.6-m of that interval that indicate no unconformity exists between the Cambrian Maxfield Limestone and the Upper Devonian-Lower Mississippian Fitchville Dolomite at the horizon previously identified as unconformable. Rather, an unknown thickness of dolomitized Upper Devonian Pinyon Peak Formation and probable older rock (possibly Bluebell Dolomite and Victoria Formation) occurs between the top of definite Maxfield and base of the Fitchville. The identification of the unconformity horizon remains unknown. Our preliminary work outlines a promising procedure for future understanding of the magnitude and stratigraphic level of the unconformity.
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Myszynski Junior, Lucinei José, Elvio Pinto Bosetti, Leonardo Borghi, Sandro Marcelo Scheffler, Daniel Sedorko, Paula Mendlowicz Mauller, and Gabrieli Goltz. "Taphofacies and Stratigraphic Correlation of Devonian Outcrops in Northwestern Region of State of Paraná, Brazil." Terr Plural 15 (2021): e2119466. http://dx.doi.org/10.5212/terraplural.v.15.2119466.031.

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The northeastern region of the state of Paraná, Brazil, is still little known in its paleontological and stratigraphic aspects. This work focused on Devonian outcrops located in Arapoti and Piraí do Sul and aimed at the recognition of sedimentary facies and the definition of taphofacies, with the intention of paleoenvironmental interpretation and stratigraphic correlation. Three different facies were identified, representing shoreface to offshore environments, and also three taphofacies were defined: T1 characterizes the most proximal and destructive environments, T2 represents lower shoreface environments and T3, originated offshore. The base of the section is correlated to the early Devonian, Ponta Grossa Formation, Siluro-Devonian Sequence (Neopraguian-Eoemsian) due to the visible contact with sandstones of the Furnas Formation, and the top, due to the presence of microfossils, is positioned in the São Domingos Formation, Devonian Sequence I (Neoemsian-Eoeifelian).
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THOMPSON, JEFFREY R., and TIMOTHY A. M. EWIN. "A new species of Hyattechinus (Echinoidea) from the type Devonian of the United Kingdom and implications for the distribution of Devonian proterocidarid echinoids." Geological Magazine 156, no. 5 (March 26, 2018): 801–10. http://dx.doi.org/10.1017/s0016756818000109.

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AbstractMany of the most diverse clades of Late Palaeozoic echinoids (sea urchins) originated in the Devonian period. Our understanding of diversity dynamics of these Late Palaeozoic clades are thus informed by new systematic descriptions of some of their earliest members. The Proterocidaridae are a diverse and morphologically distinct clade of stem group echinoids with flattened tests and enlarged adoral pore pairs, which are first known from the Upper Devonian. We herein report on a new species of Hyattechinus, Hyattechinus anglicus n. sp., from the Upper Devonian of the North Devon Basin, Devon, UK. This is the first Devonian Hyattechinus known from outside of the Appalachian Basin, USA, and provides novel information regarding the palaeogeographic and stratigraphic distribution of proterocidarids in Late Devonian times. We additionally update the stratigraphic distribution of Devonian Hyattechinus from the Appalachian Basin, following recent biostratigraphic resolution of their occurrences. Hyattechinus appears to have been present in the Rheic echinoderm fauna during Late Devonian times, and comparison of the palaeoenvironmental setting of Hyattechinus anglicus with that of other Hyattechinus from the Famennian of the Appalachian Basin suggests that the genus may have preferred siliciclastic settings. Furthermore, this new taxon increases the diversity of echinoids from the Upper Devonian of Devon to three species.
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Vacek, František, Jindřich Hladil, and Petr Schnabl. "Stratigraphic correlation potential of magnetic susceptibility and gamma-ray spectrometric variations in calciturbiditic facies (Silurian-Devonian boundary, Prague Synclinorium, Czech Republic)." Geologica Carpathica 61, no. 4 (August 1, 2010): 257–72. http://dx.doi.org/10.2478/v10096-010-0015-2.

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Stratigraphic correlation potential of magnetic susceptibility and gamma-ray spectrometric variations in calciturbiditic facies (Silurian-Devonian boundary, Prague Synclinorium, Czech Republic)Magnetic susceptibility (MS) and gamma-ray spectrometry (GRS) stratigraphy were used for correlation and characterization of eight Silurian-Devonian (S-D) sections in the Prague Synclinorium (Czech Republic). They represent two different facies developments: lower subtidal to upper slope deposits and slope-to-basin-floor distal calciturbidites. Sections from relatively shallow- and deep-water sections are easy to compare and correlate separately, although the detailed relationship between these two facies is still not entirely clear and correlations between the two settings are difficult. This may be due to sharp facies transitions and presence of stratigraphic gaps. The MS and GRS stratigraphic variations combined with sedimentologic data have been also used for reconstruction of the evolution of the sedimentary environment. The beds close above the S-D boundary show noticeably enhanced MS magnitudes but weak natural gamma-ray emissions. It may correspond to an increased amount of terrigenous magnetic material occurring with short-term shallowing (sedimentological evidence). In deep-water sections the uppermost Silurian is characterized by high MS and GRS values. It corresponds to a supply of recycled sediment to the lower wedge which occurred during the late Pridoli regression phase. The basal Devonian beds correspond to gradual deepening, but the overlying sequences reflect other shallowing episodes which are expressed in increasing MS and gamma ray activity of rocks. The MS and GRS fluctuations are interpreted as a result of local subsidence of the sea bottom along synsedimentary growth-faults and/or a biotic event rather than of eustatic sea-level changes.
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Дисертації з теми "Stratigraphic Devonian"

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Luo, Hui. "Devonian radiolarian biostratigraphy of Southwest China." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22718862.

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Luo, Hui, and 羅煇. "Devonian radiolarian biostratigraphy of Southwest China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B3124211X.

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Ben, Rahuma Milad M. "Stratigraphic architecture of the Devonian sedimentary successions in Western Libya." Rennes 1, 2010. http://www.theses.fr/2010REN1S225.

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Wide, shallow marine cratonic platforms were the place of the early colonization of land areas by plants and animals in Devonian times. These events are well recorded in western Libya along the Gargaf arch which separates the Ghadamis and Murzuk basins. This study describes lithologies, diagenesis, key-surfaces, and stacking patterns of depositional sequences at the outcrop and in the subsurface of the Ghadamis basin. The overall regional sediment distribution is modeled and compared to the neighboring basins and the worldwide record to discuss the role of local vs. Large scale tectonics and sea level controls on the paleolandscape evolution. These results provide clues for a better understanding of this period and the functioning of the broad cratonic platforms with consequences on location and origin of hydrocarbon source rocks and reservoirs
Les plate-formes cratoniques, larges et peu profondes, furent le lieu, au Dévonien, de la première colonisation des aires continentales par les faunes et les flores. Ces événements sont bien enregistrés à l’ouest de la Libye dans les sédiments déposés le long de l’arche cratonique de Gargaf qui sépare les bassins de Ghadames et de Murzuk. Cette étude décrit les lithologies, la diagenèse, les surfaces-clés, l’empilement des séquences de dépôts de ces sédiments à l’affleurement et en subsurface dans le bassin de Ghadames. La distribution régionale des sédiments est comparée aux bassins environnants et à l’enregistrement mondial pour discuter le rôle des contrôles tectoniques locaux et régionaux sur l’évolution des paléopaysages et des paléosurfaces continentales. Ces résultats fournissent des indications clés et sur le fonctionnement des larges plate-formes cratoniques et leurs conséquences sur la localisation et l’origine des roches mères et des réservoirs pétroliers
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Craigie, Neil William. "Chemostratigraphy of Middle Devonian lacustrine sediments in the Orcadian Basin, north-east Scotland." Thesis, University of Aberdeen, 1998. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=88106.

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During Middle Devonian times, lacustrine deposition dominated much of NE Scotland including Caithness, Orkney, Shetland and the Inner Moray Firth. Donovan classified such deposits into five distinct facies associations:- the deep water facies association A and the progressively shallower water facies associations B, C, D and sandstones. Such facies associations occur in climatically induced cycles. Facies A sediments (known as "fish beds") are organic rich, comprising triplets of carbonate, clastic and organic laminae (each triplet is c. 1.5mm thick). In the present study the fish beds have been categorised on sedimentological grounds into four subtypes:- types I, II (a and b subtypes), III and IV fish beds. The former, which were deposited under the most reducing, deep water, quiescent conditions, comprise 1.3m+ thick laterally continuous beds containing abundant and well preserved, fully articulated fossil fish. Type II(a), and II(b) and III fish beds are less than 1.3 thick and deposited under increasingly more shallow water and more oxidising conditions. Type II(a) fish beds contain both articulated and dissarticulated fish carcass material while type II(b) fish beds, of similar thickness, contain scattered fish fragments. Type III fish beds occur in close vertical and lateral proximity to fluvial sandstones. Type IV fish beds are carbonate rich and are confined to the south Moray Firth coast. Type I fish beds have the greater source rock potential. It is possible to categorise the Middle Devonian facies, including the fish bed facies, on geochemical grounds. As far as major element geochemistry is concerned, SiO2 is concentrated principally in detrital quartz, and for this reason is highest within sandstones, while K2O, Al2O3 and Fe2O3 are highest within the clay rich facies C and D. MnO is most concentrated within facies AIII and B, deposited closest to the thermocline. Trace elements were also analysed and are also useful in discriminating facies. Some elements, such as Zr and Nb are highly immobile, being concentrated in the dereital fraction of sandstones. By contrast, Rb, Ba and V are principally concentrated within clay and feldspars and, for this reason, are highly concentrated within the most clay rich deposits (facies D). The distributions of Mo, Cu, Ni, V and Cr are partly controlled by paleoredox and, consequently, may be used to discriminate relatively reducing from oxidising facies. U and Th are most highly concentrated within fish bone/scale material and it is possible to use the U/Th ratio to categorise the fish beds. This ratio is highest within the most reducing fish beds (type I) and in fish beds located close to fluvial sandstones (type III). Type II and IV fish beds have generally lower U/Th ratios. This ratio may be measured where spectral gamma ray logs have been run (e.g. Dounreay boreholes).
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McLean, David J. (David John). "Upper Devonian buildup development in the southern Canadian rocky mountains : a sequence stratigraphic approach." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39325.

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Buildup interior cycle stacking patterns and buildup margin geometries of Frasnian Fairholme Group reef complexes suggest that deposition and buildup stratigraphy were controlled by short-term and long-term fluctuations in relative sea-level. Correlation of these stacking patterns, and regional trends in buildup margin morphology, reveal a hierarchy of fifth, fourth, and third order sea-level changes driven by an allocyclic mechanism.
The Caim Formation consists of shallowing upward hemicycles (fifth order). These are grouped into larger, broadly shallowing upward trends (fourth order). The Caim Formation and the overlying Peechee Member represent a single third order depositional sequence deposited during an overall period of sea-level rise. The dominantly retrograding buildup margins of the Peechee Member also reflect the influence of rising sea-level, punctuated by relative stillstands. Reciprocal siliciclastic basin sedimentation and buildup carbonate sedimentation characterized Peechee buildup margins.
The dominantly retrograding buildup margins of the Fairholme Group are characteristic of transgressive systems tracts. Buildup margins developed progradational or vertically aggradational geometries due to prevailing circulation patterns and the manner of basin filling.
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Smith, Jason J. "A reinterpretation of the sedimentology and stratigraphy of the upper Silurian-lower Devonian Manlius Formation in upstate New York." Diss., Online access via UMI:, 2009.

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Vrazo, Matthew B. M. S. "Stratigraphic and Paleoecological Controls on Eurypterid Lagerstatten in the Mid-Paleozoic." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1468336974.

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Colborne, Jacqueline. "Stratigraphic, depositional and diagenetic controls on reservoir development, Upper Devonian Big Valley Formation, southern Alberta." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/46556.

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The Upper Devonian Big Valley Formation in southern Alberta is a 10-m thick carbonate succession, unconformably overlain by organic-rich source rocks of the Exshaw Formation. The Exshaw Formation is part of a global continuum of mudrocks deposited under anoxic conditions, representing a distinct interval in Earth’s climatic, terrestrial and marine evolution, and the generation of prolific hydrocarbon source rocks worldwide. This thesis summarizes the stratigraphic, depositional and diagenetic controls on reservoir development of the Big Valley Formation and its relationship to the Exshaw Formation. Data analyses involved stratigraphic top picks and regional correlations in an 84 well-log database, core study, seismic interpretation, petrographic and carbon isotope analyses and petrophysical measurements. The availability of more core and wireline data as a result of recent exploration led to refining of the stratigraphic framework in the study area. The Big Valley Formation is redefined in this study to consist of two informal units: upper (open-marine) and lower hydrocarbon-bearing (peritidal) units. Based on lithofacies analyses, the peritidal unit more appropriately fits with the Big Valley Formation, rather than its current assignment to the underlying Stettler Formation. The peritidal unit consists of four lithofacies: subtidal shoal peloidal packstone-grainstone, mid-to-high intertidal microbial laminite and laminated dolomudstone and a local intraclastic breccia-laminite related to tidal drainage channels. Each lithofacies is laterally discontinuous, variably dolomitized and ranges from 0.5-to-2.0-m thick. iii In some areas the Big Valley Formation is up to 25-m thick, with >4-m of shoal deposits that have excellent reservoir properties. Thickened Big Valley areas are underlain by thinned evaporite beds, and have a similar orientation as an underlying NNW/SSE structural lineament. This relationship suggests basement-controlled high-angle block faulting and/or salt dissolution and collapse of underlying Devonian evaporite beds during Big Valley deposition. The complex interplay between deposition and diagenesis has influenced reservoir quality. Dolomitized peloidal packstone-grainstones have high intercrystalline porosity (>5%) and permeability values (>0.20 md). Reservoir potential of the microbial laminites is dependent on dolomitization and lack of anhydrite cement. Non-reservoir lithofacies show low petrophysical properties (<<0.00001-0.002 md) as the result of a lack of dolomitization and/or extensive cementation.
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Coughlin, Michael F. "Subsurface mapping and reservoir analysis of the Upper Devonian Venango and Bradford groups in Westmoreland County, Pennsylvania." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10615.

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Thesis (M.S.)--West Virginia University, 2009.
Title from document title page. Document formatted into pages; contains x, 103 p. : ill. (some col.), maps (some col.). Includes abstract. Includes bibliographical references (p. 102-103).
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Burton, Andrew Joseph. "Seismic imaging methods applied to Devonian carbonate reef environments of western Canada." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0003/MQ42356.pdf.

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Книги з теми "Stratigraphic Devonian"

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J, McMillan N., Embry Ashton F, Glass Donald J, and Canadian Society of Petroleum Geologists., eds. Devonian of the world: Proceedings of the Second International Symposium on the Devonian System, Calgary, Canada. Calgary, Alta., Canada: Canadian Society of Petroleum Geologists, 1988.

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Pushkin, V. I. Stratigrafii︠a︡ nizhnefamenskikh (mezhsolevykh) otlozheniĭ Pripi︠a︡tskogo progiba: Stratigraphy of lower famennian (intersalt) deposits of the Pripyatʹ depression. Minsk: In-t healahichnykh navuk AN Belarusi, 1995.

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Bultynck, P. Subcommission on Devonian Stratigraphy: Recognition of Devonian series and stage boundaries in geological areas. Frankfurt a.M: Senckenbergische Naturforschende Gesellschaft, 2000.

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Tsujita, Cameron J. Middle and Upper Devonian strata of southwestern Ontario. St. John's, Nfld., Canada: Geological Association of Canada, Paleontology Division, Dept. of Earth Sciences, Memorial University of Newfoundland, 2001.

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I︠U︡dina, I︠U︡ A., Mykhaĭlo Moskalenko та M. A. Rzhonsnit︠s︡kai︠a︡. Opornye razrezy Franskogo i︠a︡rusa I︠U︡zhnogo Timana: Putevoditelʹ polevoĭ ėksursii mezhdunarodnoĭ podkomissii po stratigrafii devona : Ukhta, 15-22 ii︠u︡li︠a︡ 1994 g. Ukhta: Vseros. nefti︠a︡noĭ nauchno-issl. geologorazvedochnyĭ in-t, Timano-Pechorskoe otd-nie, 1997.

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6

Hamilton-Smith, Terence. Gas exploration in the Devonian shales of Kentucky. Lexington: Kentucky Geological Survey, University of Kentucky, 1993.

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7

Droste, John Brown. Upper Silurian and Lower Devonian stratigraphy of the central Illinois Basin. Bloomington, IN (611 N. Walnut Grove, Bloomington 47405): State of Indiana, Dept. of Natural Resources, Geological Survey, 1987.

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8

Olsen, Henrik. Lithostratigraphy of the continental Devonian sediments in north-east Greenland. Copenhagen: Grønlands geologiske undersøgelse, 1993.

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9

Gagiev, M. Kh. Stratigrafii︠a︡ devona i nizhnego karbona Omulevskogo podni︠a︡tii︠a︡: Severo-Vostok Azii. Magadan: SVKNII DVO RAN, 1995.

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Tuttle, M. L. Molecular stratigraphy of the Devonian Domanik Formation, Timan-Pechora Basin, Russia. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey], 1999.

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Частини книг з теми "Stratigraphic Devonian"

1

Lukševičs, Ervīns, Ģirts Stinkulis, Tomas Saks, Konrāds Popovs, and Jānis Jātnieks. "The Devonian Stratigraphic Succession and Evolution of the Baltic Sedimentary Basin." In Springer Geology, 539–41. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04364-7_103.

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MC Ghee, George R., Charles J. Orth, Leonard R. Quintana, James S. Gilmore, and Edward J. Olsen. "Geochemical analyses of the Late Devonian “Kellwasser Event” stratigraphic horizon at Steinbruch Schmidt (F.R.G.)." In Global Bio-Events, 219–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/bfb0010208.

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Young, G. C. "Devonian Vertebrates of Gondwana." In Gondwana Six: Stratigraphy, Sedimentology, and Paleontology, 41–50. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm041p0041.

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Frazier, William J., and David R. Schwimmer. "The Tippecanoe Sequence: Middle Ordovician—Lower Devonian." In Regional Stratigraphy of North America, 135–201. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1795-1_5.

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Frazier, William J., and David R. Schwimmer. "The Kaskaskia Sequence: Middle Devonian—Upper Mississippian." In Regional Stratigraphy of North America, 203–69. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1795-1_6.

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Walliser, Otto H. "Global Events in the Devonian and Carboniferous." In Global Events and Event Stratigraphy in the Phanerozoic, 225–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-79634-0_11.

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Yu, Changmin, Hankui Xu, Ji Peng, Songtao Xiao, and Zhuhan Liu. "Devonian Stratigraphy, Palaeogeography and Mineral Resources in Hunan." In Palaeontologia Cathayana, 85–138. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-662-12662-2_2.

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Van Steenwinkel, M. "The Devonian-Boundary in Southern Belgium: Biostratigraphic Identification Criteria of Sequence Boundaries." In Sequence Stratigraphy and Facies Associations, 233–46. Oxford, UK: Blackwell Publishing Ltd., 2009. http://dx.doi.org/10.1002/9781444304015.ch13.

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Dreesen, R. J. M. "Event-Stratigraphy of the Belgian Famennian (Uppermost Devonian, Ardennes Shelf)." In The Rhenish Massif, 22–36. Wiesbaden: Vieweg+Teubner Verlag, 1987. http://dx.doi.org/10.1007/978-3-663-01886-5_3.

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Al-Ramadan, Khalid, Sadoon Morad, A. Kent Norton, and Michael Hulver. "Linking Diagenesis and Porosity Preservation Versus Destruction to Sequence Stratigraphy of Gas Condensate Reservoir Sandstones; The Jauf Formation (Lower to Middle Devonian), Eastern Saudi Arabia." In Linking Diagenesis to Sequence Stratigraphy, 297–335. West Sussex, UK: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118485347.ch13.

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Тези доповідей конференцій з теми "Stratigraphic Devonian"

1

Tourqui, H., N. Dossary, A. Ghazi, P. Breuer, and E. Lacsamana. "Sequence Stratigraphy Linked with Other Stratigraphic Disciplines - Example from Lower Devonian, Eastern Saudi Arabia." In 77th EAGE Conference and Exhibition 2015. Netherlands: EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201413438.

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Polonio, I., R. Eschard, R. Ferrando, A. Chambers, and E. Figari. "Stratigraphic Analyses of the Lower Devonian Sequences, Reggane Basin, Southestern Algeria." In 2nd EAGE North African/Mediterranean Petroleum & Geosciences Conference & Exhibition. European Association of Geoscientists & Engineers, 2005. http://dx.doi.org/10.3997/2214-4609-pdb.11.b30.

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Jardiné, C., E. K. Zemouri, T. Lecoq, C. Sontot, J. L. Rubino, and H. Claude. "Devonian Stratigraphic Cycles and Depositional Environments in the Timimoun Basin (Algeria)." In 2nd EAGE North African/Mediterranean Petroleum & Geosciences Conference & Exhibition. European Association of Geoscientists & Engineers, 2005. http://dx.doi.org/10.3997/2214-4609-pdb.11.b32.

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Lasemi, Yaghoob. "STRATIGRAPHIC FRAMEWORK AND DEPOSITIONAL SYSTEM OF THE MIDDLE DEVONIAN LINGLE FORMATION, ILLINOIS BASIN." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-383658.

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Rahuma, M. M., J. N. Proust, and R. Eschard. "Stratigraphic Architecture of the Devonian Succession in Awaynat Wanin Area - Ghadamis Basin, Western Libya." In 3rd EAGE North African/Mediterranean Petroleum and Geosciences Conference and Exhibition. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609.20146489.

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Eschard, R., K. Boumendjel, and M. Ben Rahuma. "Synthesis of the Stratigraphic Architecture of the Siluro-Devonian Succession in Algeria and Libya." In 3rd EAGE North African/Mediterranean Petroleum and Geosciences Conference and Exhibition. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609.20147375.

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Sharpe, Dalton, Nigel Groce-Wright, and Tamie Jovanelly. "TOPO-STRATIGRAPHIC MAPPING OF DEVONIAN THROUGH LOWER-MIDDLE MISSISSIPPIAN FORMATIONS OF TAYLOR RIDGE (GORE, GA)." In 67th Annual Southeastern GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018se-313103.

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Hutsky, Andrew. "VERTICAL AND LATERAL STRATIGRAPHIC VARIATIONS WITHIN THE UPPER DEVONIAN CATSKILL SHORELINE IN NORTH-CENTRAL PENNSYLVANIA." In Northeastern Section - 57th Annual Meeting - 2022. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022ne-375136.

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Stewart, Cameron, Juergen Schieber, and Lyn Canter. "STRATIGRAPHIC AND PETROGRAPHIC ANALYSIS OF THE LATE DEVONIAN-EARLY MISSISSIPPIAN LOWER AND UPPER BAKKEN SHALE MEMBERS, FOR THE DEVELOPMENT OF A SEQUENCE STRATIGRAPHIC FRAMEWORK." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-284900.

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Alfkey, Mahmoud Ahmed. "Stratigraphic Correlation and Lithofacies Distribution of Devonian Sequences in Northwestern Darling Basin, New South Wales, Australia." In 1st Annual International Conference on Geological & Earth Sciences. Global Science Technology Forum, 2012. http://dx.doi.org/10.5176/2251-3361_geos12.110.

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Звіти організацій з теми "Stratigraphic Devonian"

1

Cecile, M. P., B. S. Norford, G. S. Nowlan, and T. T. Uyeno. Lower Paleozoic stratigraphy and geology, Richardson Mountains, Yukon (with stratigraphic and paleontological appendices). Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329454.

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Анотація:
The Richardson Trough was a rift basin on the southern margin of an ancestral Iapetus Ocean. It was part of a complex paleogeography that included at least two major rift basins on western Franklinian and northern Cordilleran continental shelves. This paleogeography included the Ogilvie Arch, Porcupine Platform, Blackstone 'supra-basin', Babbage Basin, Husky Lakes Arch, Richardson Trough, Mackenzie Arch, Lac des Bois Platform, and the White Mountains and Campbell uplifts. The Richardson Trough was the failed arm of a triple rift system that formed when an early Paleozoic Iapetus Ocean developed north of the trough. The Richardson Trough displays a classic 'steer's head' profile with two rift fill cycles. The first features late early to middle late Cambrian rifting and late late Cambrian to late Early Ordovician post-rift subsidence; the second, late Early Ordovician to early Silurian rifting and late early Silurian to early Middle Devonian post-rift subsidence. Lower Paleozoic strata exposed in the Richardson Trough range in age from middle Cambrian to early Middle Devonian and are similar to strata in their sister rift, the Misty Creek Embayment. Before this study, the stratigraphic units defined for the Richardson Trough were the Slats Creek Formation and the Road River Formation. Here, the Slats Creek Formation and a new Road River Group are recognized. In order, this group consists of the middle and/or late Cambrian to Early Ordovician Cronin Formation; the early Early Ordovician to latest early Silurian Mount Hare Formation; the early Silurian to late Silurian Tetlit Formation; and the late Silurian to early Middle Devonian Vittrekwa Formation. These Road River Group strata are unconformably overlain by the late Middle to Late Devonian Canol Formation (outcrop) and by the Early Devonian Tatsieta Formation (subsurface).
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Gouwy, S. A. Devonian conodont biostratigraphy of the Mackenzie Mountains, western part of the Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/326098.

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In this paper, a review of the current understanding of Devonian conodont biostratigraphy in the Mackenzie Mountains in the Northwest Territories is presented. The Devonian stratigraphy of the northern and southern Mackenzie Mountains is presented on two chronostratigraphic charts, from the first deposits on top of the sub-Devonian unconformity to the lower part of the Imperial and Fort Simpson formations. Schematic maps give an overview of the regional distribution of the formations in the Mackenzie Mountains. This update revealed that several of the assemblage and formation contacts are younger than presumed in an earlier time-stratigraphic chart; several formations and members are now better constrained in the updated charts. The update also pointed out intervals in the charts for which no data were available and for which more research is needed to constrain formations in the Devonian conodont biozonation.
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3

Meijer Drees, N. C. Two stratigraphic cross-sections, Upper Devonian strata, central Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/120480.

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4

Larmagnat, S., and D. Lavoie. Regional and global correlations of the Devonian stratigraphic succession in the Hudson Bay and Moose River basins from onshore Manitoba and Ontario to offshore Hudson Bay. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/326091.

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The Devonian successions in northeastern Manitoba and northern Ontario are integrated in a single stratigraphic framework. To the north, in the offshore Hudson Bay Basin, stratigraphic nomenclaturesare unified and correlated with the successions to the south. The carbon stable-isotope (d13CVPDB) trends for Devonian carbonate rocks are used for regional correlations and are compared with global Devonian isotope trends. Local and global d13CVPDB trends are used to evaluate the position of the Silurian-Devonian boundary in the Hudson Bay Platform. The Devonian succession of the Hudson Bay Platform belongs to the Kaskaskia Sequence and compares with similar carbonate-evaporite successions of the adjacent Williston and Michigan basins. In these basins, two episodes of roughly coeval reef development are present (Emsian-Eifelian and Givetian), with corals and stromatoporoids as main framework constituents. The Hudson Bay Platform reefs and dolomitized facies exhibit significant porosity and have the potential to form hydrocarbon reservoirs, with intervals bearing direct and petrophysical evidence of hydrocarbon charge.
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Lane, L. S., and R. B. MacNaughton. Central Foreland NATMAP Project: Proterozoic to Devonian stratigraphic sections in British Columbia and Yukon. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/299863.

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Lane, L. S., and R. B. MacNaughton. Introduction to stratigraphic sections from the Central Foreland NATMAP Project area: Proterozoic to Devonian successions. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/306301.

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Playford, G., and D. C. McGregor. Miospores and organic-walled microphytoplankton of Devonian-Carboniferous boundary beds (Bakken formation), southern Saskatchewan: a systematic and stratigraphic appraisal. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/193360.

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8

Kabanov, P. Shield to Selwyn Basin activity (Mackenzie Project, GEM). Report for 2015. Updates on Devonian stratigraphic study of Mackenzie River Corridor. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/297311.

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Moore, P. F. Devonian [Chapter 4: Stratigraphy]. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/192362.

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10

Mueller, C., S. J. Piercey, M. G. Babechuk, and D. Copeland. Stratigraphy and lithogeochemistry of the Goldenville horizon and associated rocks, Baie Verte Peninsula, Newfoundland. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328990.

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Анотація:
The Goldenville horizon in the Baie Verte Peninsula is an important stratigraphic horizon that hosts primary (Cambrian to Ordovician) exhalative magnetite and pyrite and was a chemical trap for younger (Silurian to Devonian) orogenic gold mineralization. The horizon is overlain by basaltic flows and volcaniclastic rocks, is intercalated with variably coloured argillites and cherts, and underlain by mafic volcaniclastic rocks; the entire stratigraphy is cut by younger fine-grained mafic dykes and coarser gabbro. Lithogeochemical signatures of the Goldenville horizon allow it to be divided into high-Fe iron formation (HIF; &amp;gt;50% Fe2O3), low-Fe iron formation (LIF; 15-50% Fe2O3), and argillite with iron minerals (AIF; &amp;lt;15% Fe2O3). These variably Fe-rich rocks have Fe-Ti-Mn-Al systematics consistent with element derivation from varying mineral contributions from hydrothermal venting and ambient detrital sedimentation. Post-Archean Australian Shale (PAAS)-normalized rare earth element (REE) signatures for the HIF samples have negative Ce anomalies and patterns similar to modern hydrothermal sediment deposited under oxygenated ocean conditions. The PAAS-normalized REE signatures of LIF samples have positive Ce anomalies, similar to hydrothermal sediment deposited under anoxic to sub-oxic conditions. The paradoxical Ce behaviour is potentially explained by the Mn geochemistry of the LIF samples. The LIF have elevated MnO contents (2.0-7.5 weight %), suggesting that Mn from hydrothermal fluids was oxidized in an oxygenated water column during hydrothermal venting, Mn-oxides then scavenged Ce from seawater, and these Mn-oxides were subsequently deposited in the hydrothermal sediment. The Mn-rich LIF samples with positive Ce anomalies are intercalated with HIF with negative Ce anomalies, both regionally and on a metre scale within drill holes. Thus, the LIF positive Ce anomaly signature may record extended and particle-specific scavenging rather than sub-oxic/redox-stratified marine conditions. Collectively, results suggest that the Cambro-Ordovician Taconic seaway along the Laurentian margin may have been completely or near-completely oxygenated at the time of Goldenville horizon deposition.
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