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Implications of palaeogeotherms for the thermal history of the Witwatersrand Basin, South Africa
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 9th SAGA Biennial Technical Meeting and Exhibition, Sep 2005, cp-154-00022
Abstract
Regional greenschist facies metamorphism (350±50°C, ca 2.5 kbar) of sediments in the Witwatersrand Basin<br>implies that crustal temperatures were significantly elevated at some time in the Late Archaean and<br>Palaeoproterozoic relative to present day temperatures.
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