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Friday, July 24, 2020 | History

3 edition of nature of the Archaean basement in the hinterland of the Witwatersrand Basin found in the catalog.

nature of the Archaean basement in the hinterland of the Witwatersrand Basin

L. J. Robb

nature of the Archaean basement in the hinterland of the Witwatersrand Basin

by L. J. Robb

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  • 11 Currently reading

Published by University of the Witwatersrand in Johannesburg .
Written in English

    Subjects:
  • Geology, Stratigraphic -- Precambrian.,
  • Geology -- South Africa -- Witwatersrand

  • Edition Notes

    Statementby L.J. Robb and M. Meyer.
    SeriesInformation circular (University of the Witwatersrand. Economic Geology Research Unit) -- no. 187, etc.
    ContributionsMeyer, M.
    Classifications
    LC ClassificationsQE325 .U5no. 187 1986
    The Physical Object
    Pagination14 p. :
    Number of Pages14
    ID Numbers
    Open LibraryOL22073442M
    ISBN 100854949488
    LC Control Number87-173430

    This book provides a comprehensive overview of the evolution of one of the oldest and best-exposed Archaean cratons on this planet. There is currently a renewed interest in the early Earth, and the Kaapvaal craton has long served as a model for early crustal evolution. The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: I. The Rand Anticline between Ranfontein and Rysmmierbult. Robb, Robb; Meyer, Meyer. The distribution of radioelements in Archaean granites of the Kaap‐vaal craton, with implications for the source of uranium in the Witwatersrand Basin. Univ.

    The km, 16 s two‐way time trans‐Witwatersrand basin seismic reflection profile stretches from the Ventersdorp dome, across the Potchefstroom syncline and . The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: I. The Rand Anticline between Randfontein and Rysmierbult. Author M. Robb, L. J. & Meyer. Source: South African Journal of Geol pp 44 –63 () More Less. Science and Applied Technology.

    The nature of the Archaean Basement in the hinterland of the Witwatersrand Basin, II. A crustal profile west of the Welkom goldfields and comparisons with the Vredefort crustal profile. South Africal Journal of Geology, 93, Ireland, T.R., Compston, W., Williams, I.S. and Wendt, I.,   Ages of altered granites adjoining the Witwatersrand Basin, with implications for the origin of gold and uranium. Nature , Robb, L.J., Meyer, F-M., The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: I the Rand Anticline between Randfontein and Rysmierbult.


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Nature of the Archaean basement in the hinterland of the Witwatersrand Basin by L. J. Robb Download PDF EPUB FB2

Close mobile search navigation. Article navigation. Vol Number 1Cited by:   The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile. by: The nature of the Archaean basement in the hinterland of the Witwatersrand Basin (Information circular / Economic Geology Research Unit) Paperback Deuteric alteration and uranium mineralization processes in leucogranite intrusions from the Namaqualand Metamorphic Complex (Information circular).

Drennan GR, Robb LJ, Meyer FM, Armstrong RA, Bruiyn H de () The nature of the Archaean basement in the hinterland of the Witwatersrand Basin A crustal profile west of the Welkom goldfield and comparisons with the Vredefort crustal by: The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: II.

A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile Article. Agangi A, Hofmann A, Rollion-Bard C, Marin-Carbonne J, Cavalazzi B, Large R, Meffre S () Gold accumulation in the Archaean Witwatersrand Basin, South Africa—Evidence from concentrically laminated pyrite.

Earth-Sci Rev –53 CrossRef Google Scholar. Abstract: The Late Archaean Witwatersrand Supergroup of South Africa hosts the largest known gold-uranium-pyrite ore deposits. Oil preserved in fluid inclusions in quartz grains in siliciclastic sedimentary rocks of that supergroup implies that hydrocarbon generation and migration occurred during the Archaean, and may have been involved in mineralization processes.

PDF | ONE of the main problems in understanding the origin of the Witwatersrand Basin mineralization concerns the source of the | Find, read and cite all the research you need on ResearchGate. and thus of the nature of the hinterland at the time of det-rital gold transport and sedimentation.

The term ‘Witwatersrand Basin’, although widely accepted in the literature, is misleading because it refers to tectonically different basins whose fills were stacked on top of each other. Most of the Witwatersrand. The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: II.

A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile. The Witwatersrand Basin of South Africa is the best-known of Archean sedimentary basins and contains some of the largest gold reserves in the world.

and the nature of the pre-greenstone crust. Robb LJ, Meyer M () The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: The Rand Anticline between Randfontein and Rysmierbult. S Afr J Geol 44– Google Scholar. The Nature of the Archaean Basement in the Hinterland of the Witwatersrand Basin: 1 The West Rand Anticline Between Randfontein and Rysmierbult.

Information Circular No T. Marshall. The Alluvial-Diamond Fields of the Western Transvaal. Information Circular No The nature of the Archaean basement in the hinterland of the Witwatersrand Basin; II, A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile South African Journal of Geology.

The nature of the Archaean basement in the hinterland to the Welkom Goldfield [M.S. dissertation]: Johannesburg, South Africa, University of the Witwatersrand. Drennan GR, Robb LJ, Meyer FM, Armstrong RA, de Bruiyn H () The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: II.

A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile. S Afr J Geol –53 Google Scholar. Drennan GR, Robb LJ, Meyer FM, Armstrong RA, de Bruiyn H () The nature of the Archaean basement in the hinterland of the Witwatersrand Basin: II.

A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile. S Afr J Geol – Google Scholar. The Witwatersrand Basin is located in the centre of the Kaapvaal Craton, South Africa ().The Kaapvaal Craton preserves a record of > billion years of geological history (Eriksson et al.,Hunter et al., ).It comprises granite-greenstone rocks and sedimentary cover sequences including the Barberton Supergroup (Hofmann et al., ), the Dominion Group (e.g.

Marsh, ). A number of domal outcrops of the Archean basement are exposed in the Witwatersrand hinterland, revealing the presence of a diverse suite of granitoids and a minor (basin have revealed the character of subsurface Archean basement beneath early.

Drennan G R, Robb L J, Meyer F M, Armstrong R A and de Bruiyn H, - The nature of the Archaean basement in the hinterland of the Witwatersrand Basin; II, A crustal profile west of the Welkom Goldfield and comparisons with the Vredefort crustal profile: in S. Afr. Geol. v93 pp. Preserved basement to the Witwatersrand Basin comprises Mid-Archaean (> Ga) granitoid–greenstone terrains and the Dominion Group ().Although originally included in the Witwatersrand Basin, the angular unconformity and > million year gap between the Dominion Group and the Witwatersrand Supergroup negates such links (Robb et al., ).The Witwatersrand.

Archaean quartz pebble conglomerates (QPCs) with abundant detrital pyrite are commonly of economic interest. The Witwatersrand (or Wits) Basin in South Africa is the best example of a sedimentary succession known for its gold and uranium mineralization associated with detrital Mesoarchaean sedimentary rocks of the Witwatersrand Supergroup host the richest and.

Schematic geological map of the Witwatersrand Basin with Ventersdorp Supergroup, Transvaal Basin sequences and Karoo Supergroup cover removed (modified after Pretorius et al., ).

Also showing the distribution of (surface and subsurface) Archaean basement and location of goldfields, after Pretorius et al. ().