Comparison of the osmium and chromium isotopic methods for the detection of meteoritic components in impactites: Examples from the Morokweng and Vredefort impact structures, South Africa

Special Paper of the Geological Society of America

Volumn 356, Issue , 2002, Pages 607-617

  Koeberl, Christian ^a   Peucker Ehrenbrink, Bernhard ^b   Reimold, Wolf Uwe ^c   Shukolyukov, Alex ^d   Lugmair, Günter W ^d,e  

^a UNIVERSITY OF VIENNA   (Austria)

^b WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^c UNIVERSITY OF THE WITWATERSRAND   (South Africa)

^d UNIVERSITY OF CALIFORNIA   (United States)

^e MAX PLANCK INSTITUTE FOR CHEMISTRY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CHROMIUM; METAMORPHIC ROCKS; METEOR IMPACTS; METEORITES; OSMIUM; TRACE ELEMENTS;

EXTRATERRESTRIAL COMPONENTS; GEOLOGIC STRUCTURES; IMPACT STRUCTURES; ISOTOPIC METHODS; ISOTOPIC SIGNALS; ORDINARY CHONDRITES; PLATINUM GROUP ELEMENTS (PGES); SIDEROPHILE ELEMENTS;

ISOTOPES;

CHROMIUM; CONCENTRATION (COMPOSITION); GEOLOGICAL STRUCTURE; ISOTOPIC ANALYSIS; METAMORPHISM; PLATINUM; SIDEROPHILE ELEMENT; TRACE ELEMENT;

FREE STATE; SOUTH AFRICA; VREDEFORT DOME;

EID: 84871998993     PISSN: 00721077     EISSN: None     Source Type: Book Series    
DOI: 10.1130/0-8137-2356-6.607     Document Type: Article

References (45)

1. Alvarez, L.W., Alvarez, W., Asaro, F., and Michel, H.V., 1980, Extraterrestrial cause for the Cretaceous-Tertiary extinction: Science, v. 208, p. 1095-1108.
2. Andreoli, M.A.G., Ashwal, L.D., Hart, R.J., and Huizenga, J.M., 1999, A Ni-and PGE-enriched quartz norite impact melt complex in the Late Jurassic Morokweng impact structure, South Africa, in Dressler, B.O., and Sharpton, V.L., eds., Large meteorite impacts and planetary evolution 2, Geological Society of America Special Paper 339, p. 91-108.
3. Corner, B., Reimold, W.U., Brandt, D., and Koeberl, C., 1997, Morokweng impact structure, Northwest Province, South Africa: Geophysical imaging and some preliminary shock petrographic studies: Earth and Planetary Science Letters, v. 146, p. 351-364.
4. Creaser, R.A., Papanastassiou, D.A., and Wasserburg, G.J., 1991, Negative thermal ion mass spectrometry of osmium, rhenium and iridium: Geochimica et Cosmochimica Acta, v. 55, p. 397-401.
5. Dai, X., Koeberl, C., and Fröschl, H., 2001, Determination of PGEs in impact melt breccias using NAA and USN-ICP-MS after anion exchange preconcentration: Analytica Chimica Acta, v. 436, p. 79-85.
6. Fehn, U., Teng, R., Elmore, D., and Kubik, P.W., 1986, Isotopic composition of osmium in terrestrial samples determined by accelerator mass spectrometry: Nature, v. 323, p. 707-710.
7. French, B.M., and Nielsen, R.L., 1990, Vredefort bronzite granophyre: Chemical evidence for an origin as meteorite impact melt: Tectonophysics, v. 171, p. 119-138.
8. French, B.M., Orth, C.J., and Quintana, C.R., 1989, Iridium in the Vredefort bronzite granophyre: Impact melting and limits on a possible extraterrestrial component, in Proceedings, 19th Lunar and Planetary Science Conference: New York, Cambridge University Press, p. 733-744.
9. Grieve, R.A.F., Coderre, J.M., Robertson, P.B., and Alexopoulos, J., 1990, Microscopic planar deformation features in quartz of the Vredefort structure: Anomalous but still suggestive of an impact origin: Tectonophysics, v. 171, p. 185-200.
10. Hart, R.J., Andreoli, M.A.G., Tredoux, M., Moser, D., Ashwal, L.D., Eide, E.A., Webb, S.J., and Brandt, D., 1997, Late Jurassic age for the Morokweng impact structure, southern Africa: Earth and Planetary Science Letters, v. 147, p. 25-35.
11. Hassler, D.R., Peucker-Ehrenbrink, B., and Ravizza, G.E., 2000, Rapid determination of Os isotopic composition by sparging OsO4 into a magneticsector ICP-MS: Chemical Geology, v. 166, p. 1-14.
12. Henkel, H., and Reimold, W.U., 1998, Integrated geophysical modelling of a giant, complex impact structure: Anatomy of the Vredefort Structure, South Africa: Tectonophysics, v. 287, p. 1-20.
13. Kamo, S.L., Reimold, W.U., Krogh, T.E., and Colliston, W.P., 1996, A 2.023 Ga age for the Vredefort impact event and a first report of shock metamorphosed zircons in pseudotachylitic breccias and Granophyre: Earth and Planetary Science Letters, v. 144, p. 369-388.
14. Koeberl, C., 1998, Identification of meteoritical components in impactites, in Grady, M.M., Hutchison, R., McCall, G.J.H., and Rothery, D.A., eds., Meteorites: Flux with time and impact effects: Geological Society [London] Special Publication 140, p. 133-152.
15. Koeberl, C., and Reimold, W.U., 2002, Geochemistry and petrography of impact breccias and target rocks from the 145 Ma Morokweng Impact Structure, South Africa: Geochimica et Cosmochimica Acta, v. 66, in press.
16. Koeberl, C., and Shirey, S.B., 1993, Detection of a meteoritic component in Ivory Coast tektites with rhenium-osmium isotopes: Science, v. 261, p. 595-598.
17. Koeberl, C., and Shirey, S.B., 1997, Re-Os systematics as a diagnostic tool for the study of impact craters and distal ejecta: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 132, p. 25-46.
18. Koeberl, C., Reimold, W.U., and Shirey, S.B., 1996, A Re-Os isotope and geochemical study of the Vredefort Granophyre: Clues to the origin of the Vredefort structure, South Africa: Geology, v. 24, p. 913-916.
19. Koeberl, C., Armstrong, R.A., and Reimold, W.U., 1997, Morokweng, South Africa: A large impact structure of Jurassic-Cretaceous boundary age: Geology, v. 25, p. 731-734.
20. Koeberl, C., Peucker-Ehrenbrink, B., and Reimold, W.U., 2000, Meteoritic component in impact melt rocks from the Morokweng, South Africa, impact structure: An Os isotopic study: Lunar and Planetary Science, v. 31, Abstract #1595, CD-ROM.
21. Leroux, H., Reimold, W.U., and Doukhan, J.C., 1994, A T.E.M. investigation of shock metamorphism in quartz from the Vredefort dome, South Africa: Tectonophysics, v. 230, p. 223-239.
22. Luck, J.M., and Turekian, K.K., 1983, Osmium-187/Osmium-186 in manganese nodules and the Cretaceous-Tertiary boundary: Science, v. 222, p. 613-615.
23. Lugmair, G.W., and Shukolyukov, A., 1998, Early solar system timescales according to 53Mn-53Cr systematics: Geochimica et Cosmochimica Acta, v. 62, p. 2863-2886.
24. McDonald, I., Andreoli M.A.G., Hart, R.J., and Tredoux, M., 2001, Platinum-group elements in the Morokweng impact structure, South Africa: Evidence for the impact of a large ordinary chondrite projectile at the Jurassic-Cretaceous boundary: Geochimica et Cosmochimica Acta, v. 65, p. 299-309.
25. Morgan, J.W., 1978, Lunar crater glasses and high-magnesium australites: Trace element volatilization and meteoritic contamination: Proceedings of the 9th Lunar and Planetary Science Conference: New York, Pergamon Press, p. 2713-2730.
26. Palme, H., 1982, Identification of projectiles of large terrestrial impact craters and some implications for the interpretation of Ir-rich Cretaceous/Tertiary boundary layers, in Silver, L.T., and Schultz, P.H., eds., Geological implications of impacts of large asteroids and comets on Earth: Geological Society of America Special Paper 190, p. 223-233.
27. Palme, H., Janssens, M.-J., Takahasi, H., Anders, E., and Hertogen, J., 1978, Meteorite material at five large impact craters: Geochimica et Cosmochimica Acta, v. 42, p. 313-323.
28. Palme, H., Göbel, E., and Grieve, R.A.F., 1979, The distribution of volatile and siderophile elements in the impact melt of East Clearwater (Quebec): Proceedings of the 10th Lunar and Planetary Science Conference: New York, Pergamon Press, p. 2465-2492.
29. Palme, H., Grieve, R.A.F., and Wolf, R., 1981, Identification of the projectile at the Brent crater, and further considerations of projectile types at terrestrial craters: Geochimica et Cosmochimica Acta, v. 45, p. 2417-2424.
30. Papike, J., editor, 1998, Planetary materials: Reviews in Mineralogy, v. 36, 915 p.
31. Ravizza, G., and Pyle, D., 1997, PGE and Os isotopic analyses of single sample aliquots with NiS fire assay preconcentration: Chemical Geology, v. 141, p. 251-268.
32. Reimold, W.U., 1993, A review of the geology of and deformation related to the Vredefort Structure, South Africa: Journal of Geological Education, v. 41, p. 106-117.
33. Reimold, W.U., and Gibson, R.L., 1996, Geology and evolution of the Vredefort impact structure, South Africa: Journal of African Earth Sciences, v. 23, p. 125-162.
34. Reimold, W.U., and Koeberl, C., 1999, The deep borehole into the Morokweng impact structure [abs.]: Meteoritics and Planetary Science, v. 34, p. A97.
35. Reimold, W.U., Horsch, H., and Durrheim, R.J., 1990, The "Bronzite"-Granophyre from the Vredefort structure: A detailed analytical study and reflections on the origin of one of Vredefort's enigmas: Proceedings of the 20th Lunar and Planetary Science Conference: Houston, Texas, Lunar and Planetary Institute, p. 433-450.
36. Reimold, W.U., Koeberl, C., Brandstätter, F., Kruger, F.J., Armstrong, R.A., and Bootsman, C., 1999, The Morokweng impact structure, South Africa: Geologic, petrographic, and isotopic results, and implications for the size of the structure, in Dressler, B.O., and Sharpton, V.L., eds., Large meteorite impacts and planetary evolution 2: Geological Society of America Special Paper 339, p. 61-90.
37. Reimold, W.U., Armstrong, R.A., and Koeberl, C., 2000, New results from the deep borehole at Morokweng, North West Province, South Africa: Constraints on the size of the J/K boundary age impact structure: Lunar and Planetary Science, v. 31, Abstract #1074, CD-ROM.
38. Shukolyukov, A., and Lugmair, G.W., 1998, Isotopic evidence for the Cretaceous-Tertiary impactor and its type: Science, v. 282, p. 927-929.
39. Shukolyukov, A., and Lugmair, G.W., 2000, Extraterrestrial matter on Earth: Evidence from the Cr isotopes [abs.], in Catastrophic events and mass extinctions: Impacts and beyond: Houston, Texas, Lunar and Planetary Institute, LPI Contribution No. 1053, p. 197-198.
40. Shukolyukov, A., Lugmair, G.W., Koeberl, C., and Reimold,W.U., 1999, Chromium in the Morokweng impact melt rocks: Isotope evidence for extraterrestrial component and type of the impactor [abs.]: Meteoritics and Planetary Science, v. 34, p. A107-A108.
41. Shukolyukov, A., Kyte, F.T., Lugmair, G.W., Lowe, D.R., and Byerly, G.R., 2000, The oldest impact deposits on earth: First confirmation of an extraterrestrial component. in Gilmour, I., and Koeberl, C., eds., Impacts and the early earth: Heidelberg, Germany, Springer-Verlag, Lecture Notes in Earth Sciences, v. 91, p. 99-116.
42. Taylor S.R., and McLennan, S.M., 1985, The continental crust: Its composition and evolution: Oxford, Blackwell, p. 57-72.
43. Völkening, J., Walczyk, T., and Heumann, K.G., 1991, Osmium isotope ratio determinations by negative thermal ionization mass spectrometry: International Journal of Mass Spectrometry and Ion Processes, v. 105, p. 147-159.
44. Wasson, J.T., 1985, Meteorites: New York,W.H. Freeman and Company, 267 p.
45. Wasson, J.T., and Kallemeyn, G., 1988, Compositions of chondrites: Philosophical Transactions of the Royal Society of London, ser. A, v. 325, p. 535-544.