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Academic literature on the topic 'Metamorphic geology'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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Journal articles on the topic "Metamorphic geology"

1

Brown, Michael. "Metamorphic geology: Tectonics of metamorphism." Nature 318, no. 6044 (November 1985): 314–15. http://dx.doi.org/10.1038/318314a0.

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Tracy, Robert J. "Metamorphic geology." Reviews of Geophysics 25, no. 5 (1987): 1115. http://dx.doi.org/10.1029/rg025i005p01115.

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PEACOCK, SIMON M. "Metamorphic Geology." Reviews of Geophysics 29, S2 (January 1991): 486–99. http://dx.doi.org/10.1002/rog.1991.29.s2.486.

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Li, Zhen, Hao Wang, Qian Zhang, Meng-Yan Shi, Jun-Sheng Lu, Jia-Hui Liu, and Chun-Ming Wu. "Ultra-High Pressure Metamorphism and Geochronology of Garnet Clinopyroxenite in the Paleozoic Dunhuang Orogenic Belt, Northwestern China." Minerals 11, no. 2 (January 24, 2021): 117. http://dx.doi.org/10.3390/min11020117.

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Ultra-high pressure (UHP) metamorphism is recorded by garnet clinopyroxenite enclaves enclosed in an undeformed, unmetamorphosed granitic pluton, northeastern Paleozoic Dunhuang orogenic belt, northwestern China. The protoliths of the garnet clinopyroxenite might be basic or ultrabasic volcanic rocks. Three to four stages of metamorphic mineral assemblages have been found in the garnet clinopyroxenite, and clockwise metamorphic pressure–temperature (P-T) paths were retrieved, indicative of metamorphism in a subduction environment. Peak metamorphic P-T conditions (790–920 °C/28–41 kbar) of garnet clinopyroxenite suggest they experienced UHP metamorphism in the coesite- or diamond-stability field. The UHP metamorphic event is also confirmed by the occurrence of high-Al titanite enclosed in the garnet, along with at least three groups of aligned rutile lamellae exsolved from the garnet. Secondary ion mass spectrometry (SIMS) U-Pb dating of metamorphic titanite indicates that the post-peak, subsequent tectonic exhumation of the UHP rocks occurred in the Devonian period (~389–370 Ma). These data suggest that part of the Paleozoic Dunhuang orogenic belt experienced UHP metamorphism, and diverse metamorphic facies series prevailed in this Paleozoic orogen. It can be further inferred that most of the UHP rocks in this orogen remain buried.

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Lardeaux, Jean-Marc. "Deciphering orogeny: a metamorphic perspective. Examples from European Alpine and Variscan belts." Bulletin de la Société Géologique de France 185, no. 2 (February 1, 2014): 93–114. http://dx.doi.org/10.2113/gssgfbull.185.2.93.

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AbstractIn this paper we review and discuss, in a synthetic historical way, the main results obtained on Alpine metamorphism in the western Alps. First, we describe the finite metamorphic architecture of the western Alps and discuss its relationships with subduction and collision processes. Second, we portray the progressive metamorphic evolution through time and space with the presentation of 5 metamorphic maps corresponding to critical orogenic periods, namely 85-65 Ma, 60-50 Ma, 48-40 Ma, 38-33 Ma and 30-20 Ma. We underline the lack of temporal data on high-pressure/low-temperature metamorphic rocks as well as the severe uncertainties on the sizes of rock units that have recorded the same metamorphic history (i.e. coherent P-T-t/deformation trajectories). We discuss the role of subduction-driven metamorphism in ocean-derived protoliths and the conflicting models that account for the diachrony of continental subductions in the western Alps.

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APARICIO, A., M. A. BUSTILLO, R. GARCIA, and V. ARAÑA. "Metasedimentary xenoliths in the lavas of the Timanfaya eruption (1730–1736, Lanzarote, Canary Islands): metamorphism and contamination processes." Geological Magazine 143, no. 2 (March 2006): 181–93. http://dx.doi.org/10.1017/s0016756806001713.

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We report on the investigation of contact metamorphism provoked by the emplacement of a shallow magma chamber during the Timanfaya eruption of Lanzarote from 1730 to 1736 AD. The study was carried out on metamorphic xenoliths from basaltic Timanfaya lavas, and shows how the primary basanitic magma was contaminated by sedimentary and metamorphic rocks. Mineralogical and chemical studies allowed the definition of several xenolith types. Silica xenoliths (quartz, tridymite, cristobalite or a mixture of these, constituting more than 50 % of the xenolith) and calc-silicate xenoliths (wollastonite, sometimes the 2M type, diopside, forsterite or mixture of these, constituting more than 50 % of the xenolith) are the most frequent. Other minerals recognized were calcite, dolomite, augite, enstatite, hypersthene, spinel and scapolite. The mineralogy and some textures of the metamorphic forsteritic xenoliths are identical to those found in ultrabasic xenoliths (dunites) and point to a possible metamorphic origin for some of them. Major and trace elements showed a diversity of composition, controlled by the mineralogy. The REE composition of the metamorphic xenoliths is high, compared with the sedimentary xenoliths not affected by metamorphism. The mineral assemblages define metamorphic facies of low, medium and high grade, depending on the distance of the sedimentary rocks from the magma chamber border. The IGPETWIN-MIXING program was used to verify the contamination process, taking the xenoliths as representative of the sedimentary/metamorphic rocks that were melted. The results indicated that sedimentary/metamorphic rock contamination of a basanitic magma can produce tholeiitic compositions.

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MAJKA, JAROSLAW, STANISLAW MAZUR, MACIEJ MANECKI, JERZY CZERNY, and DANIEL K. HOLM. "Late Neoproterozoic amphibolite-facies metamorphism of a pre-Caledonian basement block in southwest Wedel Jarlsberg Land, Spitsbergen: new evidence from U–Th–Pb dating of monazite." Geological Magazine 145, no. 6 (September 10, 2008): 822–30. http://dx.doi.org/10.1017/s001675680800530x.

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AbstractSouthwest Spitsbergen, Wedel Jarlsberg Land, consists of two Proterozoic crustal blocks with differing metamorphic histories. Both blocks experienced Caledonian greenschist-facies metamorphism, but only the southern block records an earlier pervasive M1 amphibolite-facies metamorphism and strong deformational fabric. In situ EMPA total-Pb monazite geochronology from both matrix and porphyroblast inclusion results indicate that the older M1 metamorphism occurred at 643 ± 9 Ma, consistent with published cooling ages of c. 620 Ma (hornblende) and 580 Ma (mica) obtained from these same rocks. This region thus contains a lithostratigraphic profile and metamorphic history which are unique within the Svalbard Archipelago. Documentation of a pervasive late Neoproterozoic Barrovian metamorphism is difficult to reconcile with a quiescent non-tectonic regime typically inferred for this region, based on the occurrence of rift-drift sequences on the Baltic and Laurentian passive margins. Instead, our new metamorphic age implies an exotic origin of the pre-Devonian basement exposed in SW Spitsbergen and supports models of terrane assembly postulated for the Svalbard Archipelago.

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RAMÍREZ-SÁNCHEZ, ELISA, KATJA DECKART, and FRANCISCO HERVÉ. "Significance of 40Ar–39Ar encapsulation ages of metapelites from late Palaeozoic metamorphic complexes of Aysén, Chile." Geological Magazine 145, no. 3 (December 17, 2007): 389–96. http://dx.doi.org/10.1017/s0016756807004220.

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AbstractThe ages obtained by the 40Ar–39Ar encapsulation technique (retention and total gas ages) on <2 μm fractions of five metapelites from the Eastern Andean Metamorphic Complex and two from the Chonos Metamorphic Complex allow discussion of the latest recorded metamorphic event in each zone. The Kübler Index (KI) of illite/muscovite (principal component of the metapelites) varies between 0.15° and 0.45° Δ°2θ, indicating regional variation from diagenetic to epizonal metamorphic grade. The 40Ar–39Ar encapsulation analyses reveal 39Ar loss varying between 21 and 25%, which shows a limited positive correlation with KI values. The obtained retention and total gas metapelite ages reflect distinct metamorphic conditions. Retention ages most probably indicate burial or regional metamorphic events without plutonic influence in the southern Eastern Andean Metamorphic Complex. Total gas ages reflect contact ages for metapelites close to intrusions in the northern and southern Eastern Andean Metamorphic Complex and in the Chonos Metamorphic Complex. The thermal overprinting of metapelites occurred in Early Cretaceous times at 130 Ma and 145 Ma and is related to the contact metamorphism of an emplacement pulse of the North Patagonian Batholith. Total gas metapelite ages obtained from the western belt of the Chonos Metamorphic Complex suggest a thermal event related to a distinct pulse of the North Patagonian Batholith.

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Yan, Jun, Ying Cui, and Xiaoyu Liu. "Evolution of Contact Metamorphic Rocks in the Zhoukoudian Area: Evidence from Phase Equilibrium Modelling." Minerals 13, no. 8 (August 10, 2023): 1056. http://dx.doi.org/10.3390/min13081056.

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The Yanshan intraplate tectonic belt is a tectonic-active area in the central part of the North China Craton that has undergone long-term orogenic evolution. Detailed studies on magmatic activity and metamorphism of this belt are significant for restoring its orogenic thermal evolution process. The Fangshan pluton in the Zhoukoudian area within this tectonic belt is a product of the late Mesozoic Yanshan event. However, there is a lack of detailed research on the metamorphic evolution history of the ancient terrane surrounding the Fangshan pluton subjected to contact thermal metamorphism. To further constrain the metamorphic P–T evolution of contact metamorphism associated with the Fangshan pluton, we collected rock samples in the andalusite–biotite contact metamorphic zone of the Fangshan pluton, and conducted petrographic investigations, geochemical and mineral composition analysis, and phase equilibrium modeling. The phase equilibrium modeling in the MnO–Na2O–CaO–K2O–FeO–MgO–Al2O3–SiO2–H2O–TiO2–O system indicates that the peak mineral assemblages of andalusite–biotite schists are pl + q + mu + bi + and ± kfs + ilm + mt, formed at 550 to 610 °C, 1 to 3.5 kbar, and the peak mineral assemblage of garnet–andalusite–cordierite–biotite schists is gt + pl + q + bi + and + cord + ilm + mt, formed at 580 to 620 °C, 1.5 to 2.1 kbar. Therefore, we believe that the rocks in the andalusite biotite contact metamorphic zone of the Fangshan pluton underwent low pressure and medium temperature metamorphism, with the peak metamorphic conditions of about 550–610 °C, <3.5 kbar. The results show that the rocks in contact with the thermal metamorphic zone were rapidly heated by the heat released by the Fangshan pluton, and after reaching the peak metamorphic temperature, they were cooled down simultaneously with the cooling of the rock mass, defined in a nearly isobaric P–T trajectory.

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XIAO, LING-LING, GUO-DONG WANG, HAO WANG, ZONG-SHENG JIANG, CHUN-RONG DIWU, and CHUN-MING WU. "Zircon U–Pb geochronology of the Zanhuang metamorphic complex: reappraisal of the Palaeoproterozoic amalgamation of the Trans-North China Orogen." Geological Magazine 150, no. 4 (April 30, 2013): 756–64. http://dx.doi.org/10.1017/s001675681300006x.

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AbstractAmphibolites and metapelites exposed in the Zanhuang metamorphic complex situated in the south-middle section of the Trans-North China Orogen (TNCO) underwent upper-amphibolite-facies metamorphism and record clockwise P–T paths including retrograde isothermal decompression. High-resolution zircon U–Pb geochronological analyses indicate that the metamorphic peak occurred during ~ 1840–1860 Ma, which is in accordance with the ubiquitous metamorphic ages of ~ 1850 Ma retrieved by miscellaneous geochronologic methods throughout the metamorphic terranes of the northern TNCO, confirming that the south-middle section of the TNCO was involved in the amalgamation of the Eastern and Western Blocks of the North China Craton during the Palaeoproterozoic.

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Dissertations / Theses on the topic "Metamorphic geology"

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Rougvie, James Russell. "Metamorphism in the northern Park Range of Colorado : fluid-rock interactions and thermobarometry /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Standley, Carl E. "Banda forearc metamorphic rocks accreted to the Australian continental margin : detailed analysis of the Lolotoi Complex of East Timor /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1696.pdf.

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Baker, Andrew James. "Metamorphic studies in the Scottish Highlands." Thesis, University of Oxford, 1985. http://ora.ox.ac.uk/objects/uuid:0000df07-a390-4b43-af48-31f04ba628ec.

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Conditions of 8kb and 800°C are estimated for sillimanite K feldspar bearing metapelites and garnet-clinopyroxene bearing amnphibolites in Glen Muick. These conditions are inconsistent with the simultaneous nearby presence of equilibrium between andalusite and kyanite. Andalusite in the Glen Muick area is late. The sillimanite zone may have been in part primary. There is a transition without major structural break between Tay Nappe flat belt and the "Banff Nappe". A dataset has been derived for phases in the system KCMASHCO₂. The MHSRK equation of Kerrick and Jacobs (1981) has been used to extract data from mixed devolatilisation equilibria. Heats of formation are in agreement with calorimetrically determined values. Phlogopite equilibria calculated using disordered phlogopite data seem most appropriate to natural metapelite assemblages. Variations in pressure and temperature have been constrained across the Dalradian using various calibrated reactions. Temperatures vary from about 500°C in the low kyanite zone to 800°C in the sillimanite-K feldspar zone and pressures vary from 4kb to 10kb. Pressure estimates are justified on the basis that they are consistent with the aluminosilicate phase diagram. Rocks from the Central Highlands to Glen Clova underwent a decrease in pressure during evolution through peak metamorphic conditions. Amphibolites from the southern Moines show evidence of a former eclogitic assemblage of early Grampian age or earlier. High temperature regional metamorphic rocks lie at high structural levels and are are suggested to be an allochthonous unit, the Banff Nappe of Grampian age. The western margin of the Banff Nappe is marked by a temperature maximum to the immediate east, sharp thermal transitions, a train of metabasites and a high strain zone. It is suggested that emplacement of a Banff Nappe resulted in the deformation and metamorphism of structurally lower rocks.

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Tollefsen, Elin. "Thermal and chemical variations in metamorphic rocks in Nautanen, Gällivare, Sweden." Thesis, Stockholms universitet, Institutionen för geologiska vetenskaper, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-149643.

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This study focuses on the geology of the Nautanen area. It is part of the SGU-financed project, Metamorphic Map of Sweden, which aims to compile metamorphic data from Sweden and takes the form of a number of Bachelor and Master projects. The main metamorphic event in the Nautanen area is the Svecokarelian Orogeny (1.96 – 1.75 Ga). The samples are metamorphosed sedimentary and volcanic rocks, which were intruded by intermediate to mafic intrusions and a later granite intrusion. The supracrustal rocks are folded and the Nautanen Deformation Zone (NDZ) traverses the area in a NW to SE direction. Petrographic studies, XRF analysis and THERMOCALC were used to estimate pressure and temperature and to elucidate evidence of fluid mobility. The average pressure was assumed to be below 4 kbar because of the presence of andalusite. The lowest and highest temperatures for metamorphism were 474±43°C and 681±14°C, with highest temperatures recorded nearest to the granite intrusion. XRF analysis revealed high concentrations of Ba (up to 7000 ppm) in the NDZ. High concentrations of Ba, skarn formation and replacement of garnet by chlorite indicate fluid-controlled metamorphism in the NDZ. The increasing temperature towards the granite intrusion suggests regional or contact prograde metamorphism that need not be related to the NDZ.
Metamorphic Map of Sweden, SGU-project

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Walker, James David. "The structure and metamorphic evolution of the High Himalayan Slab in SE Zanskar and NW Lahaul." Thesis, University of Oxford, 1998. http://ora.ox.ac.uk/objects/uuid:fc8b8fd3-e155-4f2f-9256-3667c2b31f4f.

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This thesis attempts to unravel the complex thermal and structural history of part of the High Himalayan Slab in NW India and combines reconnaissance-style field structural mapping of an area covering ~10,000 km² with petrography, microstructural analysis, thermobarometry and geochronology techniques. The results of this work show that the oldest protoliths of the High Himalayan Slab are at least Cambrian in age and that they may have experienced a major pre-Himalayan metamorphism at c.500 Ma. The youngest protoliths are Mesozoic in age (the Tandi Group) and demonstrate that the High Himalayan Slab represents the metamorphosed equivalents of the Tibetan Sedimentary Series. Metamorphism was achieved via substantial crustal shortening and thickening following the India-Asia collision at 50-54 Ma ago. Phase relationships demonstrate that metamorphism was a regional Barrovian-type event associated with the growth of biotite-, garnet-, staurolite-, kyanite- and sillimanite-bearing assemblages in metapelites. Quantitative thermobarometry demonstrates that near-peak conditions of c.6-8 kbar and 550-650°C were attained in the deepest exposed levels. Growth of metamorphic assemblages was underway by at least 30 Ma, as indicated by U-Pb ages of metamorphic monazites. Exhumation of the High Himalayan Slab was achieved through a combination of extensional unroofing along major detachments (namely the Zanskar Shear Zone), thermal doming, thrusting along the Main Central Thrust and surface erosion. Exhumation is closely associated with the growth of sillimanite- and cordierite-bearing assemblages in pelites and the generation and emplacement of crustal melt leucogranites in the upper parts of the slab. U-Pb dating of accessory phases from one of the crustal melt leucogranites (the Gumburanjon leucogranite) constrains its crystallisation and emplacement age at c.21-22 Ma. This is only slightly older than its ⁴⁰Ar/³⁹Ar muscovite and biotite cooling ages of c.20-21 Ma, which is attributed to the emplacement of the Gumburanjon leucogranite into the immediate footwall of the ZSZ. Field and geochronological data therefore support a strong temporal and spatial relationship between upper crustal melting and extension in a convergent orogen.

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Worden, R. H. "Transmission electron microscopy of metamorphic reactions." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234381.

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Cui, Xiaojun. "Numerical modeling of reactive fluid flow in the Notch Peak contact metamorphic aureole, Utah /." free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3060092.

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Miller, Martin Gregg. "Structural and kinematic evolution of the Badwater Turtleback, Death Valley, California /." Thesis, Connect to this title online; UW restricted, 1992. http://hdl.handle.net/1773/6716.

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Dorans, Hugh. "METEX: An expert system for metamorphic petrography." Thesis, Aston University, 1988. http://publications.aston.ac.uk/14370/.

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Classification of metamorphic rocks is normally carried out using a poorly defined, subjective classification scheme making this an area in which many undergraduate geologists experience difficulties. An expert system to assist in such classification is presented which is capable of classifying rocks and also giving further details about a particular rock type. A mixed knowledge representation is used with frame, semantic and production rule systems available. Classification in the domain requires that different facets of a rock be classified. To implement this, rocks are represented by 'context' frames with slots representing each facet. Slots are satisfied by calling a pre-defined ruleset to carry out the necessary inference. The inference is handled by an interpreter which uses a dependency graph representation for the propagation of evidence. Uncertainty is handled by the system using a combination of the MYCIN certainty factor system and the Dempster -Shafer range mechanism. This allows for positive and negative reasoning, with rules capable of representing necessity and sufficiency of evidence, whilst also allowing the implementation of an alpha-beta pruning algorithm to guide question selection during inference. The system also utilizes a semantic net type structure to allow the expert to encode simple relationships between terms enabling rules to be written with a sensible level of abstraction. Using frames to represent rock types where subclassification is possible allows the knowledge base to be built in a modular t'ashion with subclassirication frames only defined once the higher level of classification is functioning. Rulesets can similurly be added in modular fashio'n with the individual rules being essenrially declurative allowing for simple updating and maintenance. The knowledge base so far developed for metamorphic classification serves to demonstrate the performance of the interpreter design whilst also moving some way towards providing a useful assistant to the non-expert metamorphic petrologist. The system demonstrates the possibilities for a fully developed knowledge base to handle the classification of igneous, sedimentary and metamorphic rocks. The current knowledge base and interpreter have been evaluated by potential users and experts. The results of the evaluation show that the system performs to an acceptable level and should be of use as a tool for both undergraduates and rese:1rchers from outside the metamorphic petrogr:1phy field.

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Ambrose, Tyler. "Structure, metamorphism, and tectonics of the northern Oman-UAE ophiolite and underlying metamorphic sole." Thesis, University of Oxford, 2017. http://ora.ox.ac.uk/objects/uuid:e9520624-0f91-4c9d-a9b9-e9e2fc5d5517.

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Ophiolites - thrust sheets of oceanic lithosphere that have been emplaced onto the continental margin - provide the opportunity to explore the structure and genesis of oceanic crust. As many ophiolites formed above subduction zones, they also allow for the investigation of mantle wedge and subduction interface processes. This the- sis examines the Oman-United Arab Emirates (UAE) ophiolite, which is the largest and most intensely studied ophiolite on Earth. Three distinct problems are addressed. (1) Recent research has proposed that the architecture and tectonic evolution of the ophiolite in the UAE differs from in Oman. In Chapter 2, I test this hypothesis by integrating new geological mapping and field observations with previously published maps of the ophiolite in the UAE. My results indicate that the ophiolite is gently folded, but otherwise largely intact. I demonstrate that the architecture of the ophi- olite in the UAE is not significantly different from in Oman. Thus, there is no basis for a different tectonic evolution as recently proposed. (2) Observations from exper- iments and small-scale natural shear zones indicate that volumetrically-minor phases can control strain localization. In Chapter 3, I test the hypothesis that minor phases control strain-localisation at plate boundaries. To do so, I analyzed peridotites from the base of the ophiolite, a palaeosubduction interface. My results demonstrate that minor phases limited olivine grain growth, which led to rheological weakening. (3) The mechanisms by which metamorphic soles detached from the downgoing slab and accreted to the hanging-wall mantle is unclear. In Chapter 4, I examine a transect across the metamorphic sole in the UAE. My results reveal that granulite formation was more extensive than is typically considered. I propose that granulite formation resulted in rheological strengthening, which caused the subduction interface to migrate into the downgoing slab and accrete the metamorphic sole.

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Books on the topic "Metamorphic geology"

1

Liu, Xishan. Metamorphic geology. Changchun Shi: Jilin University Pub. House, 2001.

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Metamorphic crystallization. Chichester, Sussex, England: J. Wiley, 1994.

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Dusel-Bacon, Cynthia. Metamorphic history of Alaska. Menlo Park, CA: U.S. Geological Survey, 1991.

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Visser, Diederik. The metamorphic evolution of the Bamble sector, south Norway: A paragenetic and mineral chemical study of cordierite-orthoamphibole-bearing rocks with special reference to borosilicate-bearing mineral assemblages. [Utrecht: Faculteit Aardwetenschappen der Rijksuniversiteit Utrecht, 1993.

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Steltenpohl, Mark G. Metamorphism in the Alabama Piedmont. Tuscaloosa, Ala. (420 Hackberry Lane, P.O. Box 0, Tuscaloosa 35486-9780): Geological Survey of Alabama, Mineral Resources Division, 1988.

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Reenen, D. D. Van. Metamorfose: Die sleutel tot die herkenning van oer gebiede van bergbouing. Johannesburg: Randse Afrikaanse Universiteit, 1988.

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Dusel-Bacon, Cynthia. Distribution, facies, ages, and proposed tectonic associations of regionally metamorphosed rocks in southwestern Alaska and the Alaska Peninsula. Washington: U.S. G.P.O., 1996.

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Dusel-Bacon, Cynthia. Metamorphic facies map of southeastern Alaska: Distribution, facies, and ages of regionally metamorphosed rocks. Washington: U.S. G.P.O., 1996.

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A, Brew David, Douglass Susan L, and Alaska. Division of Geological and Geophysical Surveys., eds. Metamorphic facies map of southeastern Alaska: Distribution, facies, and ages of regionally metamorphosed rocks. Washington: U.S. G.P.O., 1996.

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Jing ji bu Zhong yang di zhi diao cha suo (China), ed. Taiwan de bian zhi yan. Taibei Xian Zhonghe Shi: Jing ji bu Zhong yang di zhi diao cha suo, 1998.

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Book chapters on the topic "Metamorphic geology"

1

Dercourt, Jean, and Jacques Paquet. "Metamorphic Rocks." In Geology Principles & Methods, 81–97. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4956-0_6.

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McCann, Tom. "Metamorphic Rocks." In Pocket Guide Geology in the Field, 99–118. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-63082-2_4.

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Massonne, H. J. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 132–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_12.

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Okrusch, M. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 201–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_21.

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Blümel, P. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 260–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_26.

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Blümel, P. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 295–308. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_29.

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Kryza, R. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 351–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_34.

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Cháb, J., V. Suchý, and Z. Vejnar. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 403–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_40.

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Vrána, S., P. Blümel, and K. Petrakakis. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 453–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_45.

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Dudek, A. "Metamorphic Evolution." In Pre-Permian Geology of Central and Eastern Europe, 508–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77518-5_50.

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Conference papers on the topic "Metamorphic geology"

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Pavlis, Terry, and Laura Serpa. "A NEW FUTURE FOR METAMORPHIC GEOLOGY." In GSA Connects 2021 in Portland, Oregon. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021am-367300.

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Rangel, Diana Nunez, Oriani Reyes Santiago, Angelica Nino Rodriguez, Alejandro Franco Rojas, and Edgar Alexander Padilla Gonzalez. "Correlation Between Morphometric Parameters and Geology of Igneous and Metamorphic Basins in Colombia." In 2020 Congreso Internacional de Innovación y Tendencias en Ingeniería (CONIITI). IEEE, 2020. http://dx.doi.org/10.1109/coniiti51147.2020.9240314.

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McLemore, Virginia T., and Christopher McKee. "Geology and geochemistry of syenites and adjacent Proterozoic granitic and metamorphic rocks in the Zuni Mountains, Cibola County, New Mexico." In 40th Annual Fall Field Conference. New Mexico Geological Society, 1989. http://dx.doi.org/10.56577/ffc-40.149.

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Henry, Darrell J., and Barbara L. Dutrow. "COURSE-EMBEDDED RESEARCH AND SCIENTIFIC COMMUNICATIONS IN UNDERGRADUATE GEOLOGY MAJORS COURSES: EXAMPLES FROM THE MINERALOGY – IGNEOUS/METAMORPHIC PETROLOGY SEQUENCE AT LSU." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-298440.

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Timmons, J. Michael, Karl E. Karlstrom, and Eric Kirby. "Geology of the Monte Largo Hills area, New Mexico: Structural and metamorphic study of the eastern aureole of the Sandia Pluton." In 46th Annual Fall Field Conference. New Mexico Geological Society, 1995. http://dx.doi.org/10.56577/ffc-46.227.

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González-León, Carlos M., Teresita Sánchez, Michelle Vázquez, Luigi Solari, Jonathan A. Nourse, Ricardo Amaya-Martínez, and Angel Zapata Martínez. "GEOLOGY AND LA-ICPMS U-PB GEOCHRONOLOGY OF THE WESTERN LOWER PLATE OF THE MAGDALENA-MADERA METAMORPHIC CORE COMPLEX, NORTHERN SONORA, MEXICO." In Joint 70th Annual Rocky Mountain GSA Section / 114th Annual Cordilleran GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018rm-313994.

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Satyana, A. H. "Ciletuh Subduction, West Java - New Findings, New Problems: Regional Implications to Cretaceous-Paleogene Convergence of Sundaland Margin and Its Petroleum Geology." In Indonesian Petroleum Association 44th Annual Convention and Exhibition. Indonesian Petroleum Association, 2021. http://dx.doi.org/10.29118/ipa21-g-29.

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Ciletuh, southwest Java has been well known as one of the places in Java where pre-Tertiary basement rocks are exposed (Verbeek and Fennema, 1896; Duyfjes, 1940; van Bemmelen, 1949; Sukamto, 1975). In plate tectonic point of view, Ciletuh has been known as place outcropping melange complex related to pre-Tertiary oceanic plate subduction (Thayyib et al., 1977). Ciletuh subduction regionally has been linked to the Cretaceous subduction zones of Luk Ulo/Karang Sambung (Central Java) and Meratus Mountains (South Kalimantan) (Hutchison, 1973; Asikin 1974; Hamilton, 1979). Ciletuh subduction however, has not been dated using metamorphic rocks formed in its subduction zone. Its link to Luk Ulo and Meratus subduction zone only based on the presence of melange, which also lacks of data Meanwhile, subduction zones of Luk Ulo and Meratus have been dated and analysed. We herewith present the results of new field studies and various analyses carried out in the last five years of the Ciletuh subduction complex. The indication of Cretaceous subduction has not found from the date measurement, Ciletuh shows Eocene related subduction. Most of the ophiolites were island-arc tholeiitic or island-arc basalt formed in supra-subduction zone. The overlying olistostrome deposits were younger than previously considered and lasted until early/middle Miocene. Some of the basaltic pillowed lava is considered as part of the ophiolite, while the ones at Gunung Badak is more likely a part of the early Miocene Jampang volcanism. Link of Ciletuh to Early Cretaceous subduction of Luk Ulo is not supported by geochronological data. The new knowledge of Ciletuh subduction implies the pre-Tertiary and Paleogene geology of Java, and petroleum prospectivities of the Paleogene objectives of southern West Java. New problems arise and need more field data and analyses to find out the answers.

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Charlton, T. R. "Mid-crustal detachment beneath southern Timor-Leste: seismic evidence for Australian basement in the Timor collision complex (and implications for prospectivity)." In Indonesian Petroleum Association 44th Annual Convention and Exhibition. Indonesian Petroleum Association, 2021. http://dx.doi.org/10.29118/ipa21-g-98.

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Seismic data originally acquired over SW Timor-Leste in 1994 shows two consistent seismic reflectors mappable across the study area. The shallower ‘red’ reflector (0.4-1s twt) deepens southward, although with a block-faulted morphology. The normal faults cutting the red marker tend to merge downward into the deeper ‘blue’ marker horizon (0.5-2.8s twt), which also deepens southward. Drilling intersections in the Matai petroleum exploration wells demonstrate that the red marker horizon corresponds to the top of metamorphic basement (Lolotoi Complex), while the blue marker horizon has the geometry of a mid-crustal extensional detachment. We see no indications for thrusting on the seismic sections below the red marker horizon, consistent with studies of the Lolotoi Complex at outcrop. However, surficial geology over much of the seismic survey area comprises a thin-skinned fold and thrust belt, established in 8 wells to overlie the Lolotoi Complex. We interpret the fold and thrust belt as the primary expression of Neogene arc-continent collisional orogeny, while the Lolotoi Complex represents Australian continental basement underthrust beneath the collision complex. In the seismic data the basal décollement to the thrust belt dips southward beneath the synorogenic Suai Basin on the south coast of Timor, and presumably continues southward beneath the offshore fold and thrust belt, linking into the northward-dipping décollement that emerges at the Timor Trough deformation front. The same seismic dataset has been interpreted by Bucknill et al. (2019) in terms of emplacement of an Asian allochthon on top of an imbricated Australian passive margin succession. These authors further interpreted a subthrust anticlinal exploration prospect beneath the allochthon, which Timor Resources plan to drill in 2021. This well (Lafaek) will have enormous significance not only commercially, but potentially also in resolving the long-standing allochthon controversy in Timor: i.e., does the Lolotoi Complex represent ‘Australian’ or ‘Asian’ basement?

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Snachev, А. V., K. R. Nurieva, and R. R. Islamov. "GEOLOGY OF CARBONACEOUS DEPOSITS OF THE BIRGILDA STRATA (EAST URAL TROUGH)." In Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П. Н. Чирвинского. Пермский государственный национальный исследовательский университет, 2021. http://dx.doi.org/10.17072/chirvinsky.2021.223.

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The article describes the geological structure of the Birgilda strata, which is widely developed in the East Ural trough. It is shown that the Birgilda black shales, which contain Corg in the range of 0.5–2.7% (average 1.3%), are of the low-carbon type. The exothermic effect in them occurred mainly in the temperature range 570–660 ° С, which corresponds to the greenschist facies of regional metamorphism. On the A-S-C diagram, the rocks of the Birgilda strata are approximately equally scattered over the carbonate-carbonaceous and siliceous-carbonaceous fields and noticeably less in the terrigenous-carbonaceous fields. The Birgilda sequence is characterized by a collisional environment of accumulation and products of destruction of mainly basic igneous rocks.

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Brown, Michael. "MGPV DISTINGUISHED GEOLOGIC CAREER AWARD LECTURE: SECULAR CHANGE IN METAMORPHISM AND METAMORPHIC COOLING RATES TRACK THE EVOLVING PLATE TECTONIC REGIME ON EARTH." In GSA Connects 2021 in Portland, Oregon. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021am-366394.

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Reports on the topic "Metamorphic geology"

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Gareau, S. A. Geology, Scotia-Quaal Metamorphic Belt, Coast Plutonic Complex, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1997. http://dx.doi.org/10.4095/209259.

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Gareau, S. A. Geology of the Scotia - Quaal Metamorphic Belt, Coast Plutonic Complex, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/131690.

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Israel, S. A., and L. A. Kennedy. Geology of the Atnarko metamorphic complex, southern Tweedsmuir Park, west-central British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2003. http://dx.doi.org/10.4095/214020.

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Rogers, H. D. Geology of the igneous-metamorphic complex of Shelburne and eastern Yarmouth counties, Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120203.

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Burgess, J. L., M. Brown, and C. R. van Staal. Preliminary report on the metamorphic geology of the Port aux Basques Complex, southwestern Newfoundland. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/132891.

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Grover, T. W., M. R. McDonough, and V. J. McNicoll. Preliminary report on the metamorphic geology of Taltson Magmatic Zone, Canadien Shield, northeastern Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/134249.

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Israel, S. A., and L. A. Kennedy. Reconnaissance of structural geology of the Atnarko metamorphic complex, southern Tweedsmuir Park, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/213078.

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Sanborn-Barrie, M., T. Skulski, H. Sandeman, R. Berman, S. Johnstone, T. MacHattie, and D. Hyde. Structural and metamorphic geology of the Walker Lake-Arrowsmith River area, Committee Bay belt, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/213187.

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Sandeman, H. A., C. Studnicki-Gizbert, J. Brown, and S. Johnstone. Regional structural and metamorphic geology of the Committee Bay Belt, Laughland Lake area, central mainland, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2001. http://dx.doi.org/10.4095/212091.

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Tallman, P., A. Sangster, and R. A. Jamieson. Geology and mineralization of the Jumping Brook metamorphic suite, Faribault Brook area, western Cape Breton Island, Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/122427.

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