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Статті в журналах з теми "Geology, Stratigraphic Proterozoic"
Phillips, Bruce J., Alan W. James, and Graeme M. Philip. "THE GEOLOGY AND HYDROCARBON POTENTIAL OF THE NORTH-WESTERN OFFICER BASIN." APPEA Journal 25, no. 1 (1985): 52. http://dx.doi.org/10.1071/aj84004.
Повний текст джерелаMartins-Neto, Marcelo A. "Sequence stratigraphic framework of Proterozoic successions in eastern Brazil." Marine and Petroleum Geology 26, no. 2 (February 2009): 163–76. http://dx.doi.org/10.1016/j.marpetgeo.2007.10.001.
Повний текст джерелаCosgrove, G. I. E., L. Colombera, and N. P. Mountney. "Eolian stratigraphic record of environmental change through geological time." Geology 50, no. 3 (November 22, 2021): 289–94. http://dx.doi.org/10.1130/g49474.1.
Повний текст джерелаAlsop, G. I. "The geometry and structural evolution of a crustal-scale Caledonian fold complex: the Ballybofey Nappe, northwest Ireland." Geological Magazine 131, no. 4 (July 1994): 519–37. http://dx.doi.org/10.1017/s0016756800012139.
Повний текст джерелаGEHLING, JAMES G., SÖREN JENSEN, MARY L. DROSER, PAUL M. MYROW, and GUY M. NARBONNE. "Burrowing below the basal Cambrian GSSP, Fortune Head, Newfoundland." Geological Magazine 138, no. 2 (March 2001): 213–18. http://dx.doi.org/10.1017/s001675680100509x.
Повний текст джерелаGEYER, G. "The Fish River Subgroup in Namibia: stratigraphy, depositional environments and the Proterozoic–Cambrian boundary problem revisited." Geological Magazine 142, no. 5 (September 2005): 465–98. http://dx.doi.org/10.1017/s0016756805000956.
Повний текст джерелаKulikov, V. S., V. V. Kulikova, and A. K. Polin. "NEW CHRONOSTRATIC SCHEME OF SOUTH-EASTERN FENNOSCANDIA AND ITS USE IN THE PREPARATION OF SMALL-SCALE GEOLOGICAL MAPS OF THE PRECAMBRIAN REGIONS." Proceedings of higher educational establishments. Geology and Exploration, no. 5 (October 28, 2017): 5–12. http://dx.doi.org/10.32454/0016-7762-2017-5-5-12.
Повний текст джерелаJackson, J., I. P. Sweet, and T. G. Powell. "STUDIES ON PETROLEUM GEOLOGY AND GEOCHEMISTRY, MIDDLE PROTEROZOIC, McARTHUR BASIN NORTHERN AUSTRALIA I: PETROLEUM POTENTIAL." APPEA Journal 28, no. 1 (1988): 283. http://dx.doi.org/10.1071/aj87022.
Повний текст джерелаHARLAND, W. BRIAN. "Origins and assessment of snowball Earth hypotheses." Geological Magazine 144, no. 4 (June 6, 2007): 633–42. http://dx.doi.org/10.1017/s0016756807003391.
Повний текст джерелаGreen, J. W., A. H. Knoll, and K. Swett. "Microfossils from silicified stromatolitic carbonates of the Upper Proterozoic Limestone-Dolomite 'Series', central East Greenland." Geological Magazine 126, no. 5 (September 1, 1989): 567–85. http://dx.doi.org/10.1017/s0016756800022858.
Повний текст джерелаДисертації з теми "Geology, Stratigraphic Proterozoic"
Strauss, Toby Anthony Lavery. "The geology of the Proterozoic Haveri Au-Cu deposit, Southern Finland." Thesis, Rhodes University, 2004. http://hdl.handle.net/10962/d1015978.
Повний текст джерелаLi, Longming, and 李龙明. "The crustal evolutionary history of the Cathaysia Block from the paleoproterozoic to mesozoic." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B45693596.
Повний текст джерелаBaldim, Maurício Rigoni 1983. "O domo gnáissico Alto Alegre, transição embasamento-greenstone belt do Rio Itapicuru : evolução e significado tectônico." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/286596.
Повний текст джерелаDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Geociências
Made available in DSpace on 2018-08-26T10:50:20Z (GMT). No. of bitstreams: 1 Baldim_MauricioRigoni_M.pdf: 19163752 bytes, checksum: da3d83e0ed883c0984d79ed906f0528c (MD5) Previous issue date: 2014
Resumo: Domos gnáissicos são estruturas que podem estar associadas tanto aos orógenos extensionais quanto aos colisionais. Em orógenos colisionais, normalmente balizam os distintos terrenos dispondo-se em corredores estruturais. Na região nordeste do Cráton São Francisco, Bloco Serrinha, localiza-se o Greenstone Belt Paleoproterozoico do Rio Itapicuru, interpretado como arco continental acrecionado a um Complexo de alto grau mesoarqueano. Mapeamento geológico realizado no segmento norte da transiçao, embasamento-greenstone, revelou a ocorrência de um domo gnáissico-migmatítico que limita dois terrenos, um arqueano e outro paleoproterozoico, que destoa litoestruturalmente de outros domos reconhecidos a sul do greenstone (e.g. domos do Ambrósio, Salgadália e Pedra Alta). Além disso, dados estruturais mostram que a evolução tectônica da área ocorreu a partir de tectônica compressiva em D1 com direção E-W, seguido de transcorrência N-S em D2, possivelmente associados a transpressão. O domo, denominado Alto Alegre, possui núcleo granito-diatexítico, sendo delineado por faixas anfibolíticas concêntricas e preserva paragênese de alto grau metamórfico. Análises de elementos maiores e traços revelam que as faixas de anfibolitos do referido domo possuem características geoquímicas semelhantes aos diques máficos que cortam o embasamento, e destoam dos basaltos toleíticos do greenstone belt. Dados geocronológicos e de campo revelam idades de ca. 3080 Ma para o embasamento arqueano e para gnaisses do domo Alto Alegre, e idades de ca. 2080 Ma para o granito que intrude a porção central do domo. Os dados mostram que o domo Alto Alegre representa o embasamento arqueano retrabalhado tectonicamente e influenciado por atividade granítica, durante colisão continente-continente em ca. 2080 Ma
Abstract: Gneiss domes are structures that may be associated with both extensional and collisional orogens. In collisional orogens typically delimit distinct land forming structural corridors. In northeastern of São Francisco craton, Serrinha Block, is located the Paleoproterozoic Rio Itapicuru Greenstone Belt which is interpreted as a continental arc acrecionado to a Mesoarqueano high degree Complex. Geological mapping carried out in the northern segment of the greenstone-basement transition, revealed the occurrence of a gneissic-migmatitic dome that limits two lands, one Archean and another Paleoproterozoic. This dome is different both on litology as structuraly when comparing with other domes recognized in a south of the greenstone (e.g., domes of Ambrose, Salgadália and Pedra Alta). Furthermore, structural data show that the tectonic evolution of the area occurred from compressive tectonics E-W in D1, followed by transcurrent N-S in D2, possibly associated with transpression. The dome, called Alto Alegre, has granite-diatexítico core being outlined by concentric amphibolitic bands that preserves high metamorphic grade paragenesis. Results of major and trace elements analyzes reveal that the amphibolites bands of dome has geochemical characteristics similar to mafic dikes that cut the basement, and differ from Rio Itapicuru greenstone belt basalts. Geochronological and field data reveal ages ca. 3080 Ma for the Archean basement and the dome Alto Alegre gneisses, and ages of ca 2080 Ma for the granite that intrude the central portion of the dome. The data show that the dome Alto Alegre represents the tectonically reworked Archean basement and influenced by granite activity during continent-continent collision at ca 2080 Ma
Mestrado
Geologia e Recursos Naturais
Mestre em Geociências
Baghiyan-Yazd, Mohammad Hassan. "Palaeoichnology of the terminal Proterozoic-Early Cambrian transition in central Australia : interregional correlation and palaeoecology." Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phb1445.pdf.
Повний текст джерелаJohnson, Shannon D. "Structural geology of the Usakos Dome in the Damara Belt, Namibia." Thesis, Stellenbosch : Stellenbosch University, 2005. http://hdl.handle.net/10019.1/50457.
Повний текст джерелаENGLISH ABSTRACT: The northeast-trending south Central Zone (sCZ) of the Pan-African Damara belt in central Namibia is structurally characterized by kilometer-scale, northeast-trending dome structures developed in Neoproterozoic rocks of the Damara Sequence. A number of different structural models have been proposed for the formation of these domes in the literature. This study describes the structural geology of the Usakos dome. The study discusses the structural evolution of the dome within the regional framework of the cSZ that represents the high-grade metamorphic axis of the Damara Belt, characterized by voluminous Pan-African granitoids. The northeastern part of the Usakos dome is developed as an upright- to northwestverging anticlinorium containing a steep southeasterly-dipping axial planar foliation. The northeast fold trend persists into the southwestern parts of the Usakos dome. However, this southwestern core of the dome is inundated by synkinematic granitic sheets. Distinct marker horizons of the Damara Sequence outcrop as screens within the granite, preserving a ghost stratigraphy. These screens illustrate the position and orientation of second-order folds. Significantly, most of the stratigraphy of the Damara Sequence is overturned in these folds. For example, some second-order anticlines developed in the northeastern parts of the Usakos dome can be followed along their axial traces into the southwestern hinge of the dome, where they appear as synformal anticlines, i.e. synformal structures cored by older strata, plunging towards the northeast. The inverted stratigraphy and northeasterly fold plunges suggest the northeast-trending folds are refolded by second-generation, northwest-trending folds, thus, forming kilometer-scale Type-2 interference folds. The resulting fold geometries are strongly non-cylindrical, approaching southwest-closing sheath folds indicating a top-to-the-southwest material transport. Lower-order folds in this overturned domain show radial fold plunges, plunging away from the centre of the dome core, as well as a shallowly-dipping schistosity. The close spatial and temporal relationship between granite intrusion and the formation of the southwest-vergent, sheath-type folds, radial distribution of fold plunges and the subhorizontal foliation confined to the southwestern hinge of the Usakos dome are interpreted to signify the rheological weakening and ensuing collapse of the developing first-order Usakos dome immediately above the synkinematic granite intrusions. Orogenparallel, southwest-vergent sheath folds and top-to-the southwest extrusion of the southwestern parts of the Usakos dome and northwest-vergent folding and thrusting characterizing the northeastern extent of the Usakos dome are both responses to the northwest-southeast- directed contractional tectonics recorded during the main collisional phase in the Damara belt. On a regional scale, the Usakos dome represents the link between the foreland-vergent northeastern part of the sCZ and the southwest-vergent, high-grade southwestern parts of the sCZ. The results of this study illustrate how dramatic variations in structural styles may be caused by the localized and transient rheological weakening of the crust during plutonic activity.
AFRIKAANSE OPSOMMING: Die noordoos-strekkende, suidelike Sentrale Sone (sSS) van die Pan-Afrikaanse Damara gordel in sentraal Namibië word karakteriseer deur kilometer-skaal, noordoosstrekkende koepel strukture, ontwikkel in die Neoproterozoïkum gesteentes van die Damara Opeenvolging. 'n Aantal verskillende struktuur modelle is voorgestel in die literatuur vir die vorming van hierdie koepels. Hierdie ondersoek beskryf die struktuur geologie van die Usakos koepel. Die ondersoek bespreek die strukturele ontwikkeling van die koepel in die regionale konteks van die sSS, wat die hoë graadse metamorfe magmatiese as van die Damara Gordel verteenwoordig, en karakteriseer word deur omvangryke Pan-Afrikaanse granitoïede. Die noordoostelike gedeelte van die Usakos koepel is ontwikkel as 'n antiklinorium met 'n vertikale- tot noordwestelike kantelrigting. wat 'n steil hellende, suidoostelike asvlak planêre foliasie bevat. Die noordoos-strekkende plooiing kom voor tot in die suidwestelike kern van die Usakos wat ingedring is deur sinkinematiese granitiese plate. Die posisie en oriëntasie van tweede-orde plooie is afgebeeld in die graniete deur 'n skimstratigrafie wat preserveer is deur duidelike merker horisonne van die Damara Opeenvolging. Die stratigrafie van die Damara Opeenvolging is opmerklik meestal omgekeer in hierdie plooie. Byvoorbeeld, tweede-orde antikliene ontwikkel in die noordoostelike gedeelte van die Usakos koepel kan gevolg word langs hul asvlakspore tot in die suidwestelike skarnier van die koepel, waar dit voorkom as sinforme antikliene, d.w.s. sinforme strukture met ouer strata in die kern wat na die noordooste duik. Die omgekeerde stratigrafie en noordoostelike plooi duiking impliseer dat die noordoosstrekkende plooie weer geplooi is deur tweede-generasie, noordwes-strekkende plooie, wat dus aanleiding gegee het tot die vorming van kilometer-skaal, tipe-2 interferensie plooie. Die gevolglike plooi geometrieë is uitdruklik nie-silindries, en toon 'n oorgang na skede plooie met 'n sluiting na die suidweste, wat dui op 'n bokant-na-die-suidweste materiaal vervoer. Laer-orde plooie in die omgekeerde domein vertoon radiale duiking van die plooie, weg van die middelpunt van die koepel kern, sowel as 'n vlak hellende skistositeit. Die noue ruimtelike en temporele verwantskap tussen graniet intrusie en die vorming van skede-tipe plooie met 'n kantelrigting na die suidweste, die radiale verspreiding van plooi duiking, en die subhorisontale foliasie wat beperk is tot die suidwestelike skarnier van die Usakos koepel, word interpreteer as 'n aanduiding van die reologiese verswakking en die gevolglike ineenstorting van die ontwikkelende eerste-orde Usakos koepel, onmiddellik aan die bokant van die sinkinematiese graniet intrusies. Die orogeenparalleie skede plooie met kantelrigting na die suidweste en bokant-na-die-suidweste ekstrusie van die suidwestelike gedeelte van die Usakos koepel, en plooiing met kantelrigting na die noordweste en stootverskuiwing wat kenmerkend is van die noordoostelike gedeelte van die Usakos koepel, is beide 'n reaksie op die noordwessuidoos- gerigte vernouings tektoniek opgeteken gedurende die hoof botsings fase in die Damara gordel. Op 'n regionale skaal verteenwoordig die Usakos koepel die verbinding tussen die noordoostelike gedeelte van die sSS met 'n voorland kantelrigting. en die hoë graad suidwestelike gedeelte van die sSS met 'n kantelrigting na die suidweste. Die resultate van hierdie ondersoek toon aan hoe dramatiese variasies in struktuur style veroorsaak kan word deur die gelokaliseerde en kortstondige reologiese verswakking van die kors gedurende plutoniese aktiwiteit.
Zhao, Junhong, and 趙軍紅. "Geochemistry of neoproterozoic arc-related plutons in the Western margin of the Yangtze Block, South China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40203748.
Повний текст джерелаWang, Wei, and 王伟. "Sedimentology, geochronology and geochemistry of the proterozoic sedimentary rocks in the Yangtze Block, South China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/196033.
Повний текст джерелаpublished_or_final_version
Earth Sciences
Doctoral
Doctor of Philosophy
Harris, Charles William. "A sedimentological and structural analysis of the Proterozoic Uncompahgre Group, Needle Mountains, Colorado." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/79644.
Повний текст джерелаPh. D.
Hill, Robert E. (Robert Einar). "Stratigraphy and sedimentology of the Middle Proterozoic Waterton and Altyn Formations, Belt-Purcell Supergroup, southwest Alberta." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63330.
Повний текст джерелаGibson, R. G. "Structural studies in a Proterozoic gneiss complex and adjacent cover rocks, west Needle Mountains, Colorado." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/76096.
Повний текст джерелаPh. D.
Книги з теми "Geology, Stratigraphic Proterozoic"
1936-, Medaris L. G., and Geological Society of America, eds. Proterozoic geology: Selected papers from an International Proterozoic Symposium. Boulder, Colo: Geological Society of America, 1986.
Знайти повний текст джерелаF, Gower Charles, Rivers Toby 1948-, Ryan Arthur Bruce 1951-, and Geological Association of Canada, eds. Mid-Proterozoic Laurentia-Baltica. St. John's, Nfld., Canada: Geological Association of Canada, Dept. of Earth Sciences, 1990.
Знайти повний текст джерелаBlake, D. H., fl. 1967-, ed. Geology of the Proterozoic Davenport province, central Australia. Canberra: Australian Government Publishing Service, 1987.
Знайти повний текст джерелаA, Grambling Jeffrey, Tewksbury Barbara J, and Geological Society of America. Rocky Mountain Section., eds. Proterozoic geology of the southern Rocky Mountains. Boulder, Colo: Geological Society of America, 1989.
Знайти повний текст джерелаUppermost Proterozoic formations in central Mackenzie Mountains, Northwest Territories. Ottawa, Ont., Canada: Energy, Mines and Resources Canada, 1989.
Знайти повний текст джерелаDawes, Peter R. The Proterozoic Thule Supergroup, Greenland and Canada: History, lithostratigraphy, and development. Copenhagen, Denmark: Geological Survey of Denmark and Greenland, Ministry of Environment and Energy, 1997.
Знайти повний текст джерелаA, Winchester J., ed. Later Proterozoic stratigraphy of the northern Atlantic regions. Glasgow: Blackie, 1988.
Знайти повний текст джерелаGreene, Robert C. Stratigraphy of the Late Proterozoic Murdama Group, Saudi Arabia. [Menlo Park, CA: U.S. Geological Survey], 1993.
Знайти повний текст джерелаJ, Frarey M. Proterozoic geology of the Lake Panache-Collins Inlet area, Ontario. Ottawa, Canada: Geological Survey of Canada, 1985.
Знайти повний текст джерелаBlacet, Philip M. Proterozoic geology of the Brady Butte area, Yavapai County, Arizona. [Reston, Va.?]: Dept. of the Interior, U.S. Geological Survey, 1985.
Знайти повний текст джерелаЧастини книг з теми "Geology, Stratigraphic Proterozoic"
Young, Grant M. "Earth's Earliest Extensive Glaciations: Tectonic Setting and Stratigraphic Context of Paleoproterozoic Glaciogenic Deposits." In The Extreme Proterozoic: Geology, Geochemistry, and Climate, 161–81. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/146gm13.
Повний текст джерелаMitra, Sumit Kumar. "The Lithological, Stratigraphical, Structural Control of Quartzites Hosting Sulphide Mineralisation in the Proterozoic Shillong Group, Meghalaya, India." In The Structural Geology Contribution to the Africa-Eurasia Geology: Basement and Reservoir Structure, Ore Mineralisation and Tectonic Modelling, 49–53. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01455-1_11.
Повний текст джерелаLUND, KAREN I., and RUSSELL G. TYSDAL. "Stratigraphic and Structural Setting of Sediment-Hosted Blackbird Gold–Cobalt–Copper Deposits, East-Central Idaho, U.S.A." In Proterozoic Geology of Western North America and Siberia, 129–47. SEPM (Society for Sedimentary Geology), 2007. http://dx.doi.org/10.2110/pec.07.86.0129.
Повний текст джерелаRowland, Stephen M. "Geology of Frenchman Mountain and Rainbow Gardens, southern Nevada, USA." In Field Excursions from Las Vegas, Nevada: Guides to the 2022 GSA Cordilleran and Rocky Mountain Joint Section Meeting, 23–43. Geological Society of America, 2022. http://dx.doi.org/10.1130/2022.0063(02).
Повний текст джерелаDatsenko, Liudmyla, and Serhii Kolomiiets. "GROUNDWATERS OF NIKOLSKOHO REGION (DONBASS): GEOLOGY, STRATIGRAPHY, HYDROGEOLOGY, TOPOGRAPHIC AND GEODESIC WORKS." In State, trends and prospects of land sciences, environment, physics, mathematics and statistics’ development (1st. ed). Primedia eLaunch LLC, 2020. http://dx.doi.org/10.36074/stplsepmad.ed-1.03.
Повний текст джерелаWINSTON, DON. "Revised Stratigraphy and Depositional History of the Helena and Wallace Formations, Mid-Proterozoic Piegan Group, Belt Supergroup, Montana and Idaho, U.S.A." In Proterozoic Geology of Western North America and Siberia, 65–100. SEPM (Society for Sedimentary Geology), 2007. http://dx.doi.org/10.2110/pec.07.86.0065.
Повний текст джерелаSmith, Alan L., M. John Roobol, Glen S. Mattioli, George E. Daly, and Joan E. Fryxell. "Providencia Island: A Miocene Stratovolcano on the Lower Nicaraguan Rise, Western Caribbean—A Geological Enigma Resolved." In Providencia Island: A Miocene Stratovolcano on the Lower Nicaraguan Rise, Western Caribbean—A Geological Enigma Resolved, 1–101. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.1219(01).
Повний текст джерелаŞengör, A. M. C. "Eduard Suess on graptolites: His very first scientific paper and illustrations." In The Evolution of Paleontological Art. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.1218(09).
Повний текст джерелаBoniface, Nelson, and Tatsuki Tsujimori. "New tectonic model and division of the Ubendian-Usagaran Belt, Tanzania: A review and in-situ dating of eclogites." In Plate Tectonics, Ophiolites, and Societal Significance of Geology: A Celebration of the Career of Eldridge Moores. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.2552(08).
Повний текст джерелаЗвіти організацій з теми "Geology, Stratigraphic Proterozoic"
Bingham-Koslowski, N., L. T. Dafoe, M R St-Onge, E. C. Turner, J. W. Haggart, U. Gregersen, C. E. Keen, A. L. Bent, and J. C. Harrison. Introduction and summary. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321823.
Повний текст джерелаYou might want to see the page in this language: English.