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Статті в журналах з теми "Kaapvaal"
de Wit, M. J. "Kaapvaal Craton special volume- An introduction." South African Journal of Geology 107, no. 1-2 (June 1, 2004): 1–6. http://dx.doi.org/10.2113/107.1-2.1.
Повний текст джерелаHerzberg, Claude T. "Lithosphere peridotites of the Kaapvaal craton." Earth and Planetary Science Letters 120, no. 1-2 (November 1993): 13–29. http://dx.doi.org/10.1016/0012-821x(93)90020-a.
Повний текст джерелаBaptiste, V., and A. Tommasi. "Petrophysical constraints on the seismic properties of the Kaapvaal craton mantle root." Solid Earth Discussions 5, no. 2 (July 16, 2013): 963–1005. http://dx.doi.org/10.5194/sed-5-963-2013.
Повний текст джерелаRasmussen, Birger, Jian-Wei Zi, and Janet R. Muhling. "U-Pb evidence for a 2.15 Ga orogenic event in the Archean Kaapvaal (South Africa) and Pilbara (Western Australia) cratons." Geology 47, no. 12 (October 2, 2019): 1131–35. http://dx.doi.org/10.1130/g46366.1.
Повний текст джерелаVinnik, L. P., R. W. E. Green, L. O. Nicolaysen, G. L. Kosarev, and N. V. Petersen. "Deep seismic structure of the Kaapvaal craton." Tectonophysics 262, no. 1-4 (September 1996): 67–75. http://dx.doi.org/10.1016/0040-1951(96)00012-1.
Повний текст джерелаRollinson, H. R. "A terrane interpretation of the Archaean Limpopo Belt." Geological Magazine 130, no. 6 (November 1993): 755–65. http://dx.doi.org/10.1017/s001675680002313x.
Повний текст джерелаBaptiste, V., and A. Tommasi. "Petrophysical constraints on the seismic properties of the Kaapvaal craton mantle root." Solid Earth 5, no. 1 (January 29, 2014): 45–63. http://dx.doi.org/10.5194/se-5-45-2014.
Повний текст джерелаHofmann, A., H. Xie, L. Saha, and C. Reinke. "Granitoids and greenstones of the White Mfolozi Inlier, south-east Kaapvaal Craton." South African Journal of Geology 123, no. 3 (September 1, 2020): 263–76. http://dx.doi.org/10.25131/sajg.123.0019.
Повний текст джерелаJones, M. Q. W. "Heat flow in the Bushveld Complex, South Africa: implications for upper mantle structure." South African Journal of Geology 120, no. 3 (September 1, 2017): 351–70. http://dx.doi.org/10.25131/gssajg.120.3.351.
Повний текст джерелаHeaman, Larry M., and D. Graham Pearson. "Nature and evolution of the Slave Province subcontinental lithospheric mantleThis article is one of a series of papers published in this Special Issue on the theme Lithoprobe — parameters, processes, and the evolution of a continent." Canadian Journal of Earth Sciences 47, no. 4 (April 2010): 369–88. http://dx.doi.org/10.1139/e09-046.
Повний текст джерелаДисертації з теми "Kaapvaal"
Bekker, Andrey. "Chemostratigraphy of the Early Paleoproterozoic carbonate successions (Kaapvaal and Wyoming cratons)." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/28965.
Повний текст джерелаPh. D.
Larson, Angela Marie. "S-wave velocity structure beneath the Kaapvaal Craton from surface-wave inversions compared with estimates from mantle xenoliths." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/34200.
Повний текст джерелаMaster of Science
Burger, Erasmus Petrus. "An Investigation of the carbonatites of the Kaapvaal Craton and their tectonic context." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/43297.
Повний текст джерелаDissertation (MSc)--University of Pretoria, 2013.
lk2014
Geology
MSc
Unrestricted
Schoene, Robert Blair. "A thermotectonic framework for the growth and stabilization of the eastern Kaapvaal craton, southern Africa." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38251.
Повний текст джерелаIncludes bibliographical references.
Continents are an amalgamation of crust and mantle lithosphere assembled over -4 Gyr and are therefore our best record of the early Earth. Exposures of rocks -3.0-3.7 Ga cover -20,000 km2 of eastern S. Africa and Swaziland, and provide a record of the continental assembly and subsequent stabilization of the eastern Kaapvaal craton. This thesis uses structural, geochronological, thermochronological and isotopic constraints to examine the tectonothermal processes responsible for the growth and stabilization of this portion of Mesoarchean lithosphere. Field mapping was focused on terrane-bounding shear zones and syntectonic plutons, and in combination with ID-TIMS U-Pb zircon geochronology and Sm-Nd analysis, places sub-Myr constraints on the timing, distribution, and kinematics of magmatism and deformation during growth and modification of continental lithosphere. Detailed U-Pb apatite and titanite thermochronological datasets are used in combination with finite difference numerical modeling to determine non-linear temperature-time paths for rocks between -650-300 °C from 3.45-3.08 Ga - providing a sensitive indicator of tectonic and magmatic processes in the middle to lower crust.
(cont.) From 3.2 to 3.3 Ga, multiple microcontinental fragments with distinct age and Nd isotopic characteristics were assembled along an oblique subduction zone boundary, with the Barberton Greenstone belt representing a lithospheric suture zone. During continental assembly and orogeny, strain was partitioned into 3236-3220 Ma syntectonic plutons and terrane-bounding transcurrent shear zones bordering the margins of the previously stabilized ca. 3.66-3.45 Ga Ancient Gneiss Complex. Subsequent 3.2-3.1 Ga reactivation of crustal anisotropies within the lithospheric suture zone - represented broadly by the Barberton Greenstone Belt - controlled the thermal and compositional reorganization of the crust through transtensional tectonics, exhumation of deep-crustal gneiss terranes, and upward migration of granitic batholiths. This final period of crustal modification was responsible for juxtaposing low-grade greenstone supracrustal rocks against middle- to lower-crustal gneiss terranes, and ultimately led to crustal stabilization in the greenstone belt and vicinity. These results support a model in which the stabilization of the Kaapvaal craton was a piece-wise transition resulting from lithospheric thickening and crustal thinning over, hundreds of Myr.
by Robert Blair Schoene.
Ph.D.
Tinker, Justine. "Stratigraphic and structural interpretation of seismic reflection data across selected sections of the Kaapvaal Craton." Master's thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/9739.
Повний текст джерелаThe Kaapvaal Craton is one of the best preserved of all Archean cratons. It is partially covered by the supracrustal sequences of the Witwatersrand, Ventersdorp and Transvaal Basin (and correlated Griqualand West Basin), which span almost a billion years (~3.1 to 2.2 Ga). This thesis describes and interprets eight newly available seismic reflection profiles, acquired by the vibroseis method to 6 seconds TWT, and totaling ~720 km in length. New stratigraphic and structural features are identified across three main regions: the Kaapvaal Craton's western margin, the northern margin or Bushveld lines (flanking the Thabazimbi-Murchison Lineament and across the western extremity of the Bushveld Igneous Complex) and the Kaapvaal Craton interior. The seismic data was interpreted using Charisma seismic interpretation software, Geoframe version 3.6 (developed by Geoquest, Schlumberger) on a UNIX, SUN workstation.
Smildzins, V. (Viesturs). "Using mineral chemistry to constrain P-T conditions for mantle xenoliths from the Kaapvaal craton, South Africa." Master's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201611233107.
Повний текст джерелаSonwa, Cyrille Stephane Tsakou. "Analysis of the structural geology of the high-grade metamorphic rocks in part of the Kakamas terrane of an area adjacent to the Neusspruit shear zone South of the orange river, Northern Cape, South Africa." University of the Western Cape, 2021. http://hdl.handle.net/11394/8257.
Повний текст джерелаThe Proterozoic Namaqua-Natal Province comprises highly deformed rocks of medium to high grade metamorphism and is bordering the Archean Kaapvaal Craton to the west, south and east in South Africa. The sector to the west of the Craton, namely the Namaqua Sector, is structurally complex and subdivided from west to east into the Bushmanland Subprovince, the Kakamas and Areachap terranes of the Gordonia Subprovince and the Kheis Subprovince. The prominent Neusberg Mountain Range, with exposures to the north and south of the Orange River in the Kakamas Terrane constitutes evidence of crustal shortening as a result of continental collision of the Namaqua Sector block with the Kaapvaal Craton during the Namaquan Orogeny. The Mesoproterozoic Korannaland Group in the Kakamas Terrane is affected by faulting, folding and shearing.
Coetzee, Megan. "Geochemistry of selected South African group I, group II and transitional kimberlites located on and off the Kaapvaal craton." Master's thesis, University of Cape Town, 2004. http://hdl.handle.net/11427/4192.
Повний текст джерелаEighteen Jurassic to Cretaceous South African kimberlites representative of group 1, group 11 and transitional varieties that have been emplaced through both the Archean Kaapvall craton (on-craton) and Proterozoic Namaqua-Natal belt (off-craton), have been selected for a comparative study aimed at characterising their geochemistry and source region compositions, as well as understanding the petrogenetic processes that have affected them. The petrography of the analysed kimberlites is similar to typical group 1 and group 11 kimberlites, characterised by deformed and anhedrarl olivine and phlogopite macrocrysts, with more subhedral to euhedral olivine and phlogopite phenocrysts and microphenocrysts, set in a groundmass of mostly serpentine, calcite and phlogopite (group 1 kimberlites), or calcite, serpentine, phlogopite and diopside (group 11 kimberlites). The transitional kimberlites tend to show intermediate characteristics, with the on-and off-craton transitional kimberlites showing more similarity to group 1 and group 11 kimberlites, respectively.
Nethenzheni, Sedzani Shane. "The geochemistry, geochronology and petrogenetic characteristics of two granitic suites on the eastern margin of the Namaqua Sector, Namaqua-Natal Mobile Belt, South Africa." Thesis, University of the Western Cape, 2016. http://hdl.handle.net/11394/5209.
Повний текст джерелаThe group of granites on the eastern margin of the Mesoproterozoic Namaqua sector of the polydeformed and highly metamorphosed Namaqua-Natal Province of southern Africa is known as the Keimoes Suite. The suite includes mixtures of diverse rock types not belonging to a single intrusive series and so it should be subdivided into more than one intrusive suite. The exact definition, extent, distribution and petrogenesis of these granites have been poorly defined in the past, with various authors defining the suite differently due to the lack of proper geochronology and geochemical data. The exact contact between the Namaqua sector and Kaapvaal Craton together with the role of the suite to the Namaqua tectonic evolution is still unclear. The granites of the Keimoes Suite are thought to mark the contact between the Namaqua sector and the Kaapvaal Craton. This study seeks to address the above mentioned problems by making use of new geochronology, isotope, major and trace element geochemistry together with petrography. The granites of the Keimoes Suite were previously grouped based on their degree of deformation. The geochronology, undertaken as part of this study, has proven that this classification is unfounded. The degree of foliation in these granites appears to be largely controlled by the abundance of platy minerals, such as biotite and muscovite, together with the intrusion mechanism, with deformational processes, such as shearing, playing a secondary role. The geochronology, together with geochemistry has helped to redefine the previously defined Keimoes Suite so that two well defined separate suites are recognized and the third is poorly defined due to lack of more samples of that age group. The new classification or grouping of the granites of the eastern Namaqua sector allows a more detailed examination of the tectonic evolution of this region. A member of the 1225 to 1200 Ma early syn-tectonic granites, the Josling Granite, shows a strongly developed foliation and was derived from a depleted source with a relatively low continental crustal component. This granite intruded during the time of arc accretion, and is associated with, and partly responsible for the D₁ deformation and M₁ metamorphism recognized in most of the rocks of the eastern terranes of the Namaqua sector. In terms of age, the syn-tectonic granites of the Augrabies Suite extend from 1200 to 1120 Ma and were largely derived from depleted sources with variable but more substantial amounts of continental crustal components as compared to the early syn-tectonic granite. The granites of this suite intruded during the period of peak D₂ deformation with peak magmatism between 1180 - 1135 Ma, and particularly around 1150 Ma, during the peak of metamorphism (M₂) caused by, and associated with these voluminous intrusions. The Keimoes Suite can now be defined as comprising granites of late- to post-tectonic age relative to the 1.2 - 1.08 Ga Namaquan Orogeny with magmatism occurring on the western side of the Kaapvaal Craton. The 1116 to 1066 Ma Keimoes Suite intruded during the stage of the Namaquan Orogeny in which there was continued indentation of the Kaapvaal Craton into the Namaqua sector with wrenching and shearing causing the development of rifting into which the granites intruded. The Keimoes Suite granites were derived from continental crustal sources and incorporated varying degrees of depleted source components. The intrusives and extrusives of this age occured after the main collisional event between the Namaqua Sector and the Kaapvaal Craton and are associated with the D₃ deformational event, imparting the thermal conditions leading to the M₃ metamorphic event of the rocks within both the Kakamas and Areachap Terranes. The suites mark the suture between the Archean Kaapvaal Craton and the Proterozoic Namaqua sector. The compositions of the granites of the individual suites were mainly controlled by the source with the degree of partial melting exerting a major control. The proportion of entrained peritectic assemblages and accessory minerals played a major role in controlling the compositions of the granites, particularly those of the trace elements. Variations within the compositions of the same suite are due to source heterogeneities. Generally, fractionation processes played a secondary role in influencing the composition of the granites.
Council for Geoscience and National Research Foundation
Schneider, Kathrin [Verfasser]. "Constraints on the Magmatic History of Paleo- and Mesoarchean Meta-Igneous Rocks of the Eastern Kaapvaal Craton, Southern Africa / Kathrin Schneider." Berlin : Freie Universität Berlin, 2019. http://d-nb.info/1176632248/34.
Повний текст джерелаКниги з теми "Kaapvaal"
Truswell, J. F. Early Proterozoic red beds on the Kaapvaal craton. Johannesburg: University of the Witwatersrand, 1990.
Знайти повний текст джерелаDr, Jones Alan G., Carlson R. W. 1954-, and Grutter Herman, eds. A tale of two cratons: The Slave-Kaapvaal workshop. Amsterdam: Elsevier, 2004.
Знайти повний текст джерелаKröner, Alfred, and Axel Hofmann, eds. The Archaean Geology of the Kaapvaal Craton, Southern Africa. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-78652-0.
Повний текст джерелаWeilers, B. F. A review of the Pongola Supergroup and its setting on the Kaapvaal Craton. Johannesburg: University of the Witwatersrand, 1990.
Знайти повний текст джерелаDe Zeeuwse kaapvaart tijdens de Spaanse Successieoorlog 1702-1713. Middelburg: Koninklijk Zeeuwsch Genootschap der Wetenschappen, 1986.
Знайти повний текст джерелаReine, R. B. Prud'homme van. Kapers op de kust: Nederlandse kaapvaart en piraterij 1500-1800. Vlissingen: ADZ, 1991.
Знайти повний текст джерелаRoemloos vergaen: Compendium van verloren gegane schepen,1500-1800 : Oost-Indische Compagnie, West-Indische Compagnie, Groenlandse Compagnie, Kaapvaart, marine, koopvaardij, walvisvaart en visserij. Amsterdam: De Bataafsche Leeuw, 2011.
Знайти повний текст джерелаHofmann, Axel, and Alfred Kröner. The Archaean Geology of the Kaapvaal Craton, Southern Africa. Springer, 2019.
Знайти повний текст джерела(Editor), A. G. Jones, R. W. Carlson (Editor), and H. Grutter (Editor), eds. A Tale of Two Cratons: The Slave Kaapvaal Workshop. Elsevier Science, 2004.
Знайти повний текст джерелаThe Distribution of radioelements in Archaean granites of the Kaapvaal Craton, with implications for the source of uranium in the Witwatersrand Basin. Johannesburg: University of the Witwatersrand, 1989.
Знайти повний текст джерелаЧастини книг з теми "Kaapvaal"
Arndt, Nicholas. "Kaapvaal Craton, South Africa." In Encyclopedia of Astrobiology, 1319. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1894.
Повний текст джерелаArndt, Nicholas. "Kaapvaal Craton, South Africa." In Encyclopedia of Astrobiology, 885. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1894.
Повний текст джерелаArndt, Nicholas. "Kaapvaal Craton, South Africa." In Encyclopedia of Astrobiology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-642-27833-4_1894-4.
Повний текст джерелаArndt, Nicholas. "Kaapvaal Craton, South Africa." In Encyclopedia of Astrobiology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_1894-3.
Повний текст джерелаKröner, Alfred, J. Elis Hoffmann, Jean M. Wong, Hong-Yan Geng, Kathrin P. Schneider, Hangqiang Xie, Jin-Hui Yang, and Noah Nhleko. "Archaean Crystalline Rocks of the Eastern Kaapvaal Craton." In Regional Geology Reviews, 1–32. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-78652-0_1.
Повний текст джерелаLuskin, Casey, Allan Wilson, Digby Gold, and Axel Hofmann. "The Pongola Supergroup: Mesoarchaean Deposition Following Kaapvaal Craton Stabilization." In Regional Geology Reviews, 225–54. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-78652-0_9.
Повний текст джерелаHofmann, Axel, Carl R. Anhaeusser, John Dixon, Alfred Kröner, Lopamudra Saha, Allan Wilson, and Hangqiang Xie. "Archaean Granitoid–Greenstone Geology of the Southeastern Part of the Kaapvaal Craton." In Regional Geology Reviews, 33–54. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-78652-0_2.
Повний текст джерелаWabo, H., F. Humbert, M. O. de Kock, G. Belyanin, U. Söderlund, L. P. Maré, and N. J. Beukes. "Constraining the Chronology of the Mashishing Dykes from the Eastern Kaapvaal Craton in South Africa." In Springer Geology, 215–61. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1666-1_6.
Повний текст джерелаGlikson, Andrew Y. "Pre-3.2 Ga Evolution and Asteroid Impacts of the Barberton Greenstone Belt, Kaapvaal Craton, South Africa." In The Archaean: Geological and Geochemical Windows into the Early Earth, 73–96. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07908-0_7.
Повний текст джерелаJacobs, J., and R. J. Thomas. "Oblique collision at about 1.1 Ga along the southern margin of the Kaapvaal continent, south-east Africa." In Active Continental Margins — Present and Past, 322–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-38521-0_9.
Повний текст джерелаТези доповідей конференцій з теми "Kaapvaal"
de Wit, M. J., and C. M. Doucouré. "A feedback from the Kaapvaal Craton Project." In 7th SAGA Biennial Technical Meeting and Exhibition. European Association of Geoscientists & Engineers, 2001. http://dx.doi.org/10.3997/2214-4609-pdb.143.17.1.
Повний текст джерелаDurrheim, R. J., and R. W. E. Green. "Seismic Velocity Structure Of The Central Kaapvaal Craton." In 1st SAGA Biennial Conference and Exhibition. European Association of Geoscientists & Engineers, 1989. http://dx.doi.org/10.3997/2214-4609-pdb.222.015.
Повний текст джерелаWebb, S. J. "Gravity And Geoid Investigations Of The Kaapvaal Craton." In 5th SAGA Biennial Conference and Exhibition. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.223.022.
Повний текст джерелаHeckel, Catharina, Alan Woodland, Jolien Linckens, and Sally A. Gibson. "Different types of sheared peridotites from Lesotho (Kaapvaal craton)." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10998.
Повний текст джерелаCorner, B. "The Nature Of The Deep Crust Of The Kaapvaal Craton." In 3rd SAGA Biennial Conference and Exhibition. European Association of Geoscientists & Engineers, 1993. http://dx.doi.org/10.3997/2214-4609-pdb.224.011.
Повний текст джерелаTinker, J. H., and M. J. de Wit. "Seismic Stratigraphy of Neoarchean-Paleoproterozoic Cover of the Kaapvaal Craton." In 7th SAGA Biennial Technical Meeting and Exhibition. European Association of Geoscientists & Engineers, 2001. http://dx.doi.org/10.3997/2214-4609-pdb.143.19.3.
Повний текст джерелаWright, C., S. J. Webb, and T. K. Nguuri. "Broadband Seismological Studies On The Kaapvaal Craton Data Acquisition And Research Objectives." In 5th SAGA Biennial Conference and Exhibition. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.223.052.
Повний текст джерелаChatu, A., M. Q. W. Jones, and S. J. Webb. "Thermal Modelling of The Kaapvaal Lithosphere: Implications for the Bushveld Tomographic Anomaly." In 8th SAGA Biennial Technical Meeting and Exhibition. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.144.16.
Повний текст джерелаWang, Hao, and Jin-Hui Yang. "Widespread Magmatism and Metamorphism at 3.2 Ga in the Eastern Kaapvaal Craton, Southern Africa." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2724.
Повний текст джерелаBurness, Sara, Katie Smart, Sebastian Tappe, and Emilie Thomassot. "Cycling of surficial sulphur into the lithospheric mantle: constraints from the Kaapvaal craton root." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.3538.
Повний текст джерела