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Implications of a new 40Ar/ 39Ar age for a basalt flow interbedded with the Etjo Formation, Northeast Namibia
J.S. Marsh
J.S. Marsh
Department of Geology, Rhodes University, Grahamstown, 6140 South Africa, e-mail: goonie.marsh@ru.ac.za
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R.S. Swart
R.S. Swart
National Petroleum Corporation of Namibia, PB 13196, Windhoek, Namibia, e-mail: roger@namcor.com.na
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D. Phillips
D. Phillips
School of Earth Sciences, University of Melbourne, Parkville, Victoria 3010, Australia, e-mail: dphillip@unimelb.edu.au
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South African Journal of Geology (2003) 106 (4): 281-286.
Published:
December 01, 2003
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J.S. Marsh, R.S. Swart, D. Phillips; Implications of a new 40Ar/ 39Ar age for a basalt flow interbedded with the Etjo Formation, Northeast Namibia. South African Journal of Geology ; 106 (4): 281–286. doi: https://doi.org/10.2113/106.4.281
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Index Terms/Descriptors
- absolute age
- Africa
- Ar/Ar
- basalts
- Brazil
- chemical composition
- Clarens Formation
- clastic rocks
- correlation
- Cretaceous
- Damara System
- dates
- eolianite
- flood basalts
- geochemistry
- Gondwana
- igneous rocks
- Jurassic
- Karoo Supergroup
- large igneous provinces
- lava
- lithostratigraphy
- major elements
- mass spectra
- Mesozoic
- Namibia
- paleogeography
- Parana Basin
- Precambrian
- Proterozoic
- sandstone
- sedimentary rocks
- South Africa
- South America
- Southern Africa
- spectra
- stratigraphic units
- trace elements
- upper Precambrian
- volcanic rocks
- Waterberg System
- Etjo Formation
- Etendeka Namibia
- Grootfontein Namibia
- continental breakup
- Twyfelfontein Formation
Latitude & Longitude
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