Relevant bibliographies by topics / Geology, Stratigraphic – Archaean

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  1. Journal articles
  2. Dissertations / Theses
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Academic literature on the topic 'Geology, Stratigraphic – Archaean'

Author: Grafiati
Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Geology, Stratigraphic – Archaean"

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van Loon, A. J., R. Mazumder, and S. De. "Unravelling the depositional environment of the Archaean Rajkharsawan conglomerate (Jharkhand, eastern India)." Netherlands Journal of Geosciences - Geologie en Mijnbouw 91, no. 1-2 (2012): 129–35. http://dx.doi.org/10.1017/s0016774600001542.

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AbstractLarge conglomerate lenses occur in a fine-grained siliciclastic succession of the Singhbhum craton, eastern India. They overlie an Archaean orthogneiss, from which they are separated by a palaeosol. Neither the conglomerates nor the directly overlying rocks have been dated, but the conglomerate unit is assumed to have also an Archaean age. The conglomerate lenses occur within a succession of pelitic and mafic schists, and the depositional environment of this conglomerate/schist unit had not been clarified thus far. On the basis of a combination of the vertical and horizontal distributi
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Hicks, N., and D. J. C. Gold. "A reinterpretation of the Archaean stratigraphy south of Nkandla, southern Kaapvaal Craton, South Africa: Geophysical and stratigraphic constraints on a sheared granitoid-greenstone remnant." South African Journal of Geology 124, no. 3 (2021): 685–98. http://dx.doi.org/10.25131/sajg.124.0025.

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Abstract A new lithostratigraphic framework based upon a review of historic data, field mapping and remote sensing, including aerial photography, high-resolution airborne aeromagnetic and radiometric data, is proposed for the Archaean geology along the southeastern margin of the Kaapvaal Craton, South Africa. A synthesis of new and existing data reveals that previously accepted lithostratigraphic schemes require complete revision, with reinterpretations identifying multiple major shear zones and previously unidentified granitoid successions along the margin of the craton. In this new lithostra
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Hickman-Lewis, K., and F. Westall. "A southern African perspective on the co-evolution of early life and environments." South African Journal of Geology 124, no. 1 (2021): 225–52. http://dx.doi.org/10.25131/sajg.124.0016.

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Abstract The Kaapvaal and Zimbabwe cratons host some of the earliest evidence for life. When compared to the contemporaneous East Pilbara craton, cherts and other metasedimentary horizons in southern Africa preserve traces of life with far greater morphological and geochemical fidelity. In spite of this, most fossiliferous horizons of southern Africa have received relatively limited attention. This review summarises current knowledge regarding the nature of early life and its distribution with respect to environments and ecosystems in the Archaean (>2.5 Ga) of the region, correlating st
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Friend, C. R. L., and A. P. Nutman. "Tectono-stratigraphic terranes in Archaean gneiss complexes as evidence for plate tectonics: The Nuuk region, southern West Greenland." Gondwana Research 72 (August 2019): 213–37. http://dx.doi.org/10.1016/j.gr.2019.03.004.

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MARTIN, D. McB, C. W. CLENDENIN, B. KRAPEZ, and N. J. McNAUGHTON. "Tectonic and geochronological constraints on late Archaean and Palaeoproterozoic stratigraphic correlation within and between the Kaapvaal and Pilbara Cratons." Journal of the Geological Society 155, no. 2 (1998): 311–22. http://dx.doi.org/10.1144/gsjgs.155.2.0311.

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Kenny, Gavin G., Gary J. O’Sullivan, Stephen Alexander, Michael J. Simms, David M. Chew, and Balz S. Kamber. "On the track of a Scottish impact structure: a detrital zircon and apatite provenance study of the Stac Fada Member and wider Stoer Group, NW Scotland." Geological Magazine 156, no. 11 (2019): 1863–76. http://dx.doi.org/10.1017/s0016756819000220.

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AbstractThe Stac Fada Member of the Stoer Group, within the Torridonian succession of NW Scotland, is a melt-rich, impact-related deposit that has not been conclusively correlated with any known impact structure. However, a gravity low approximately 50 km east of the preserved Stac Fada Member outcrops has recently been proposed as the associated impact site. We investigate the location of the impact structure through a provenance study of detrital zircon and apatite in five samples from the Stoer Group. Our zircon U–Pb data are dominated by Archaean grains (> 2.5 Ga), consistent with earli
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Yu, Hongchao, Jin Liu, Zhonghua He, et al. "Geochronology and Zircon Hf Isotope of the Paleoproterozoic Gaixian Formation in the Southeastern Liaodong Peninsula: Implication for the Tectonic Evolution of the Jiao-Liao-Ji Belt." Minerals 12, no. 7 (2022): 792. http://dx.doi.org/10.3390/min12070792.

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The Jiao-Liao-Ji belt (JLJB), in the Eastern Block of the North China Craton, is a major Paleoproterozoic orogen and underwent a complicated tectonic evolution during 2.2–1.8 Ga. The Liaohe Group, an important stratigraphic unit in the JLJB, is key to understanding the complex evolution of this belt. In this paper, we present new detrital zircon U–Pb ages and Hf isotope data for meta-sedimentary rocks from the Gaixian Formation in different areas of the JLJB, in addition to compiled data for other formations of the Liaohe Group, to establish the depositional age and source of detrital material
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JASTRZĘBSKI, MIROSŁAW, ANDRZEJ ŻELAŹNIEWICZ, IZABELLA NOWAK, MENTOR MURTEZI, and ALEXANDER N. LARIONOV. "Protolith age and provenance of metasedimentary rocks in Variscan allochthon units: U–Pb SHRIMP zircon data from the Orlica–Śnieżnik Dome, West Sudetes." Geological Magazine 147, no. 3 (2009): 416–33. http://dx.doi.org/10.1017/s0016756809990501.

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AbstractNew U–Pb sensitive high-mass resolution ion microprobe (SHRIMP) data from detrital zircons within the Orlica–Śnieżnik Dome provide new insights into the stratigraphic and palaeogeographic position of assumed relict Precambrian basement preserved in the Variscan collisional orogen of the West Sudetes, SW Poland. Hitherto, the Młynowiec Formation and the Stronie Formation within the Orlica–Śnieżnik Dome were assumed to represent two metavolcano-sedimentary successions of Proterozoic and early Palaeozoic age, respectively. However, when previous U–Pb data and mapping data from the Orlica–
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Higgins, A. K. "Geology of central and eastern North Greenland." Rapport Grønlands Geologiske Undersøgelse 128 (December 31, 1986): 37–54. http://dx.doi.org/10.34194/rapggu.v128.7923.

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A historical review of geological research in North Greenland is followed by a summary of the main results of the 1978-80 GGU expeditions to the region. New outcrops of Archaean and early Proterozoic crystalline rocks are recorded only as xenoliths in dykes and volcanic centres. A revised stratigraphy is applied to the middle Proterozoic Independence Fjord Group sandstones, while petrographic and isotopic studies have been made of the cross-cutting Midsommersø dolerites and the overlying Zig-Zag Dal Basalt Formation. No convincing evidence has been found of a Carolinidian orogenic episode sepa
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Wilks, M. E., and E. G. Nisbet. "Stratigraphy of the Steep Rock Group, northwest Ontario: a major Archaean unconformity and Archaean stromatolites." Canadian Journal of Earth Sciences 25, no. 3 (1988): 370–91. http://dx.doi.org/10.1139/e88-040.

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The Archaean Steep Rock Group of northwest Ontario, situated in the Wabigoon Subprovince of the Superior Province, Canada, comprises five formations: Wagita Formation (clastics), Mosher Carbonate, Jolliffe Ore Zone, Dismal Ashrock, and Witch Bay Formation (metavolcanics). Reinvestigation of the geology of the group has shown that the basal clastics of the Wagita Formation (0–150 m) unconformably overlie the Marmion Complex (a massive tonalite – tonalite gneiss terrane, 3 Ga old). Overlying the basal elastics is the Mosher Carbonate (0–500 m), containing diverse stromatolite morphologies. Exten
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Dissertations / Theses on the topic "Geology, Stratigraphic – Archaean"

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Lane, Monica Leonie. "Nickel sulphide mineralization associated with Archean komatiites." Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005594.

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The distribution of Archean Nickel sulphide deposits reflects tectonic controls operating during the evolution of the granitoid greenstone terrains. Important deposits of komatiitic-affinity are concentrated within, and adjacent to, younger (∼2.7 Ga), rift-related greenstone belts (e.g. Canada, Western Australia and Zimababwe). Two important classes of Archean Nickel sulphide deposits exist, formerly known as "Dunitic" and "Peridotitic", these are now referred to as Group I and Group II deposits, based on their characteristic structure and composition. Mineralization varies from massive and ma
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Green, Michael Godfrey. "Early archaean crustal evolution evidence from 3̃.5 billion year old greenstone successions in the Pilgangoora Belt, Pilbara Craton, Australia /." Connect to full text, 2001. http://hdl.handle.net/2123/505.

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Thesis (Ph. D.)--University of Sydney, 2002.<br>Title from title screen (viewed Apr. 23, 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Geosciences, Division of Geology and Geophysics. Degree awarded 2002; thesis submitted 2001. Includes bibliography. Also available in print form.
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Rivard, Benoit. "Petrochemistry of a layered Archean magma chamber and its relation to models of basalt evolution." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66046.

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Fedo, Christopher M. "Geologic evolution of the Archean Buhwa Greenstone Belt and surrounding granite-gneiss terrane, southcentral Zimbabwe." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06062008-164845/.

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Skulski, Thomas. "The tectonic and magmatic evolution of the central segment of the Archean La Grande greenstone belt, central Québec /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65986.

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Green, Michael Godfrey. "Early Archaean crustal evolution: evidence from ~3.5million year old greenstone successions in the Pilgangoora Belt, Pilbara Craton, Australia." Thesis, The University of Sydney, 2001. http://hdl.handle.net/2123/505.

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In the Pilgangoora Belt of the Pilbara Craton, Australia, the 3517 Ma Coonterunah Group and 3484-3468 Ma Carlindi granitoids underlie the 3458 Ma Warrawoona Group beneath an erosional unconformity, thus providing evidence for ancient emergent continental crust. The basalts either side of the unconformity are remarkably similar, with N-MORB-normalised enrichment factors for LILE, Th, U and LREE greater than those for Ta, Nb, P, Zr, Ti, Y and M-HREE, and initial e(Nd, Hf) compositions which systematically vary with Sm/Nd, Nb/U and Nb/La ratios. Geological and geochemical evidence shows that the
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Brocks, Jochen J. "Molecular fossils in Archean rocks." Phd thesis, School of Geosciences, 2001. http://hdl.handle.net/2123/14300.

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Barovich, Karin Marie. "Behavior of lutetium-hafnium, samarium-neodymium and rubidium-strontium isotopic systems during processes affecting continental crust." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185602.

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Combined Lu-Hf, Sm-Nd and Rb-Sr isotopic studies of continental crustal rocks were undertaken to assess the relative effects of secondary crustal processes on isotopic systematics of whole-rock systems. The processes studied include ductile deformation, and three cases of hydrothermal alteration, involving fluids of varying composition. The Rb-Sr system proved to be easily disturbed during all secondary processes, while Sm-Nd and Lu-Hf systems were, for the most part, resilient. These results show that Nd or Hf isotopic information obtained from old rocks that have undergone typical crustal de
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Hodkiewicz, Paul. "The interplay between physical and chemical processes in the formation of world-class orogenic gold deposits in the Eastern Goldfields Province, Western Australia." University of Western Australia. Centre for Global Metallogeny, 2003. http://theses.library.uwa.edu.au/adt-WU2004.0057.

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[Formulae and special characters can only be approximated here. Please see the pdf version of the abstract for an accurate reproduction.] The formation of world-class Archean orogenic gold deposits in the Eastern Goldfields Province of Western Australia was the result of a critical combination of physical and chemical processes that modified a single and widespread ore-fluid along fluid pathways and at the sites of gold deposition. Increased gold endowment in these deposits is associated with efficient regional-scale fluid focusing mechanisms and the influence of multiple ore-depositional pr
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Delvigne, Camille. "The Archaean silicon cycle insights from silicon isotopes and Ge/Si ratios in banded iron formations, palaeosols and shales." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209652.

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The external silicon cycle during the Precambrian (4.5-0.5 Ga) is not well understood despite its key significance to apprehend ancient dynamics at the surface of the Earth. In the absence of silicifying organisms, external silicon cycle dramatically differs from nowadays. Our current understanding of Precambrian oceans is limited to the assumption that silicon concentrations were close to saturation of amorphous silica. This thesis aims to bring new insights to different processes that controlled the geochemical silicon cycle during the Archaean (3.8-2.5 Ga). Bulk rock Ge/Si ratio and Si isot
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Books on the topic "Geology, Stratigraphic – Archaean"

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Phillips, G. Neil. Archaean gold deposits of Australia. University of the Witwatersrand, 1985.

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S, Myers J., and Geological Survey of Western Australia., eds. Archaean geology of the Mount Narryer region, Western Australia. Department of Mines, Western Australia, 1987.

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The young earth: An introduction to Archaean geology. Allen & Unwin, 1987.

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Meyer, Michael. The origin of gold in Archaean epigenetic gold deposits. University of the Witwatersrand, 1985.

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International Archaean Symposium (3rd 1990 Perth, W. A.). Third International Archaean Symposium, Perth, 1990: Excursion guidebook. Geology Department (Key Centre) & University Extension, The University of Western Australia, 1990.

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International Archaean Symposium (3rd 1990 Perth, W. A.). Third International Archaean Symposium, Perth, 1990: Extended abstracts volume. Geoconferences (W.A.), 1990.

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Kerrich, R. Archaean lode gold deposits of Canada. University of the Witwatersrand, 1986.

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Kerrich, R. Archaean lode gold deposits of Canada. University of the Witwatersrand, 1986.

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International Archaean Symposium (3rd 1990 Perth, W.A.). The Archaean: Terrains, processes and metallogeny : proceedings volume for the Third International Archaean Symposium held in Perth, Western Australia, 17th to 21st September, 1990. Geology Department (Key Centre) & University Extension, The University of Western Australia, 1992.

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Geology of the greenstone terranes in Kurnalpi-Edjudina region, southeastern Yilgarn Craton. Geological Survey of Western Australia, 1995.

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Book chapters on the topic "Geology, Stratigraphic – Archaean"

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Pino, Mario, Alejandra Martel-Cea, Rodrigo M. Vega, Daniel Fritte, and Karin Soto-Bollmann. "Geology, Stratigraphy, and Chronology of the Pilauco Site." In Pilauco: A Late Pleistocene Archaeo-paleontological Site. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-23918-3_3.

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