U-Pb zircon ages from the southwestern Karoo Basin, South Africa - Implications for the Permian-Triassic boundary

Geology

Volumn 37, Issue 8, 2009, Pages 719-722

  Fildani, Andrea ^a   Weislogel, Amy ^b   Drinkwater, Nicholas J ^a   McHargue, Tim ^a   Tankard, Anthony ^c   Wooden, Joe ^d   Hodgson, David ^e   Flint, Stephen ^e  

^a CHEVRON ENERGY TECHNOLOGY COMPANY   (United States)

^b UNIVERSITY OF ALABAMA   (United States)

^c Chevron Southern African Business Unit ^*  (Canada)

^d STANFORD UNIVERSITY   (United States)

^e UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BINARY ALLOYS; DEPOSITS; SILICATE MINERALS; SUBMARINE GEOLOGY; URANIUM ALLOYS; ZIRCON;

DEEP MARINE SEDIMENTS; DELTAIC DEPOSITS; PERMIAN-TRIASSIC BOUNDARY; SEDIMENTATION RATES; SENSITIVE HIGH-RESOLUTION ION MICROPROBE; SINGLE GRAINS; SUBMARINE FANS; U-PB ZIRCON AGES;

LEAD ALLOYS;

DEEP-SEA SEDIMENT; DELTAIC DEPOSIT; FLUVIAL DEPOSIT; GEOCHRONOLOGY; PERMIAN-TRIASSIC BOUNDARY; URANIUM-LEAD DATING; ZIRCON;

AFRICA; KAROO; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 69649091913     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G25685A.1     Document Type: Article

References (25)

1. Andersson, P.O.D., Worden, R.H., Hodgson, D.M., and Flint, S., 2004, Provenance evolution and chemostratigraphy of a Palaeozoic submarine fan-complex: Tanqua Karoo Basin, South Africa: Marine and Petroleum Geology, v. 21, p. 555-577, doi: 10.1016/j.marpetgeo.2004.01.004.
2. Bangert, B., Stollhofen, H., Lorenz, V., and Armstrong, R., 1999, The geochronology and significance of ash-fall tuffs in the glaciogenic Carboniferous-Permian Dwyka Group of Namibia and South Africa: Journal of African Earth Sciences, v. 29, p. 33-49, doi: 10.1016/ S0899-5362(99)00078-0.
3. 238U microprobe geochronology by the monitoring of a trace-element related matrix effect; SHRIMP, ID-TIMS, ELA-ICP-MS and oxygen isotope documentation for a series of zircon standards: Chemical Geology, v. 205, p. 115-140, doi: 10.1016/j.chemgeo.2004.01.003.
4. Bowring, S., Erwin, D., Jin, Y., Martin, M., Davidek, K., and Wang, W., 1998, U/Pb zircon geochronology and tempo of the end-Permian mass extinction: Science, v. 280, no. 5366, p. 1039.
5. Catuneanu, O., Hancox, P.J., Cairncross, B., and Rubidge, B.S., 2002, Foredeep submarine fans and forebulge deltas: Orogenic offloading in the underfilled Karoo Basin: Journal of African Earth Sciences, v. 35, p. 489-502.
6. Catuneanu, O., Wopfner, H., Eriksson, P.G., Cairncross, B., Rubidge, B.S., Smith, R.M.H., and Hancox, P.J., 2005, The Karoo basins of south-central Africa: Journal of African Earth Sciences, v. 43, p. 211-253, doi: 10.1016/j.jafrearsci.2005.07.007.
7. Cole, D.I., 1998, Palaeogeography and palaeocurrent distribution of the Beaufort Group in the Karoo Basin, South Africa, during the Late Permian: Journal of African Earth Sciences, v. 27, 1A, p. 46-47.
8. Coney, L., Reimold, W.U., Hancox, P.J., Mader, D., Koeberl, C., McDonald, I., Struck, U., Vajda, V., and Kamo, S.L., 2007, Geochemical and mineralogical investigation of the Permian-Triassic boundary in the continental realm of the southern Karoo Basin, South Africa: Palaeoworld, v. 16, p. 67-104, doi: 10.1016/j.palwor.2007.05.003.
9. DeGraaff-Surpless, K., Graham, S.A., Wooden, J.L., and McWilliams, M.O., 2002, Detrital zircon provenance analysis of the Great Valley Group, California: Evolution of an arcforearc system: Geological Society of America Bulletin, v. 114, p. 1564-1580, doi: 10.1130/ 0016-7606(2002)114<1564:DZPAOT>2.0.CO;2.
10. De Kock, M.O., and Kirschvink, J.L., 2004, Paleomagnetic constraints on the Permian-Triassic boundary in terrestrial strata of the Karoo Supergroup, South Africa: Implications for causes of the end-Permian extinction event: Gondwana Research, v. 7, p. 175-183, doi: 10.1016/ S1342-937X(05)70316-6.
11. Fildani, A., Drinkwater, N.J., Weislogel, A., McHargue, T., Hodgson, D.M., and Flint, S.S., 2007, Age controls on the Tanqua and Laingsburg deep-water systems: New insights on the evolution and sedimentary fill of the Karoo Basin, South Africa: Journal of Sedimentary Research, v. 77, p. 901-908, doi: 10.2110/jsr.2007.088.
12. Flint, S., Hodgson, D.M., Sixsmith, P., Grecula, M., and Wickens, H.D, 2008, Deepwater basin floor/slope deposits of the Laingsburg Depocenter, Karoo Basin, South Africa, in Nilsen, T., et al., eds., Atlas of deepwater outcrops: American Association of Petroleum Geologists Studies in Geology 56, p. 326-329.
13. Gastaldo, R.A., Veveling, J., Clark, C.K., and Newbury, S.S., 2009, The terrestrial Permian-Triassic boundary is a nonevent: Geology, v. 37, p. 199-202, doi: 10.1130/G25255A.1.
14. Gradstein, F., Ogg, J., and Smith, A., 2004, A geological time scale: Cambridge, Cambridge University Press, 589 p.
15. Hodgson, D.M., Flint, S.S., Hodgetts, D., Drinkwater, N.J., Johannesson, E.J., and Luthi, S.M., 2006, Stratigraphic evolution of Permian submarine fan systems, Tanqua depocentre, South Africa: Journal of Sedimentary Research, v. 76, p. 20-40, doi: 10.2110/jsr.2006.03.
16. Johnson, M.R., 1991, Sandstone petrography, provenance and plate tectonic setting in Gondwana context of the southeastern Cape-Karoo Basin: South African Journal of Geology, v. 94, p. 137-154.
17. Johnson, M.R., van Vuuren, C.J., Visser, J.N.J., Cole, D.I., Wickens, H.D., Christie, A.D.M., Roberts, D.L., and Brandl, G., 2006, Sedimentary rocks of the Karoo Supergroup, in Johnson, M.R., et al., eds., The geology of South Africa: Geological Society of South Africa and Council for Geoscience, p. 461-499.
18. Ludwig, K.R., 2001, SQUID 1.02: A user's manual: Berkeley Geochronology Center Special Publication 2, 22 p.
19. Ludwig, K.R., 2003, Isoplot 3.00: A geochronological toolkit for Microsoft Excel: Berkeley Geochronology Center Special Publication 4, 70 p.
20. Retallack, G.J., Metzger, C.A., Greaver, T., Jahren, A.H., Smith, R.M.H., and Sheldon, N.D., 2006, Middle-Late Permian mass extinction on land: Geological Society of America Bulletin, v. 118, p. 1398-1411, doi: 10.1130/B26011.1.
21. Rubidge, B.S., ed., 1995, Biostratigraphy of the Beaufort Group (Karoo Supergroup). South African Committee for Stratigraphy Biostratigraphic Series 1, 46 p.
22. Rubidge, B.S., 2005, Re-uniting lost continents - Fossil reptiles from the ancient Karoo and their wanderlust. 27th Du Toit Memorial Lecture: South African Journal of Geology, v. 108, p. 135-172, doi: 10.2113/ 108.1.135.
23. Smith, R.M.H., and Ward, P.D., 2001, Pattern of vertebrate extinctions across an event bed at the Permian-Triassic boundary in the Karoo Basin of South Africa: Geology, v. 29, p. 1147-1150, doi: 10.1130/ 0091-7613(2001)029<1147:POV EAA>2.0.CO;2.
24. Visser, J.N.J., 1997, Deglaciation sequences in the Permo-Carboniferous Karoo and Kalahari basins of southern Africa: A tool in the analysis of cyclic glaciomarine basin fills: Sedimentology, v. 44, p. 507-521, doi: 10.1046/j.1365-3091.1997.d01-35.x.
25. Winter, H.D., and Venter, J.J., 1970, Lithostratigraphic correlation of recent deep boreholes in the Karoo-Cape sequence, in Haughton, S.H., ed., Proceedings of the 2nd Gondwana Symposium: Council for Scientific and Industrial Research, South Africa, p. 395-408.