Geochemistry and petrology of Witwatersrand and dwyka diamictites from south Africa: Search for an extraterrestrial component

Geochimica et Cosmochimica Acta

Volumn 65, Issue 12, 2001, Pages 2007-2016

  Huber, Heinz ^a   Koeberl, Christian ^a   McDonald, Iain ^b   Reimold, Wolf Uwe ^c  

^a UNIVERSITY OF VIENNA   (Austria)

^b UNIVERSITY OF GREENWICH   (United Kingdom)

^c UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

DIAMICTITE; GEOCHEMISTRY; GLACIAL DEPOSIT; IMPACTITE; PETROLOGY; TILLITE;

SOUTH AFRICA;

EID: 0034963729     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(01)00569-5     Document Type: Article

References (48)

1. Zircon ion microprobe studies bearing on the age and evolution of the Witwatersrand triad
2. Large meteorite impacts and planetary evolution
3. Glaciomarine model for upper Precambrian diamictites of the Port Akaig Formation
4. Diamictite, a substitute term for symmictite
5. Significance of the Vredefort Dome for metamorphic-mineralization studies in the Witwatersrand Basin
6. 1989 compilation of working values and sample descriptions for 272 geostandards
7. Terrestrial impact: The record in the rocks
8. Shock metamorphism of quartz in nature and experiment: II. Significancen in geoscience
9. Integrated geophysical modelling of a giant, complex impact structure: Anatomy of the Vredefort Structure, South Africa
10. Use of γ-γ coincidence spectrometry in the geochemical study of diamictites from South Africa
11. Determination of the precious metals in geological materials by inductively coupled plasma-mass spectrometry (ICP-MS) with nicket sulphide fire-assay collection and tellurium coprecipitation
12. The Allende meteorite reference sample
13. A 2.023 Ga age for the Vredefort impact event and a first report of shock metamorphosed zircons in pseudotachylitic breccias and Granophyre
14. Instrumental neutron activation analysis of geochemical and cosmochemical samples: A fast and reliable method for small sample analysis
15. Identification of meteoritic components in impactites
16. A Re-Os isotope study of the Vredefort Granophyre: Clues to the origin of the Vredefort Structure, South Africa
17. Multiparameter γ-γ coincidence spectrometry for the determination of iridium in geological materials
18. Search for petrographic and geochemical evidence for the late heavy bombardment on earth in early Archean rocks from Isua, Greenland
19. A. T.E.M. investigation of shock metamorphism in quartz from the Vredefort Dome, South Africa
20. The need for a common framework for collection and interpretation of data in platinum group element geochemistry
21. Meteoritic material in four terrestrial meteorite craters
22. Impacts, tillites and the breakup of Gondwanaland
23. Identification of projectiles of large terrestrial impact craters and some implication for the interpretation of Ir-rich Cretaceous/Tertiary boundary layers
24. Meteorite material at five large impact craters
25. Abundances of the elements in the solar system
26. Solvent extraction/anion exchange separation and determination of PGEs (Os, Ir, Pt, Pd, Ru) and Re-Os isotopes in geological samples by isotope dilution ICPMS
27. Tillites, diamictites, and ballistic ejecta of large impacts
28. Pseudotachylite in impact structures-Generation by friction melting and shock brecciation? A review and discussion
29. Pseudotachylites of the Vredefort Dome and the surrounding Witwatersrand Basin, South Africa
30. Roter Kamm impact crater, Namibia: Geochemistry of basement rocks and breccias
31. Geology and evolution of the Vredefort impact structure, South Africa
32. Are diamictites impact ejecta? No supporting evidence from South African Dwyka Group diamictite
33. Geological implications of impacts of large asteroids and comets on the Earth
34. The importance of diamictites in the understanding of the tectonics and sedimentation of the Witwatersrand Basin
35. Deformation and transformation of rock-forming minerals by natural and experimental shock processes. I. Behaviour of minerals under shock compression
36. Shock metamorphism of quartz in nature and experiment: 1. Basic observation and theory
37. The Vredefort Structure: Original size and significance for geologic evolution of the Witwatersrand Basin
38. Komatiite Wits-1. Low concentration noble metal standard for the analysis of non-mineralized samples
39. The interpretation of massive rain-out and debris-flow diamictites from the glacial marine environment
40. Glaciogenic deposits of the Permo-Carboniferous Dwyka Group in the eastern region of the Karoo Basin, South Africa