Evidence for a Major Impact Structure in the Northwest Province of South Africa - The Morokweng Impact Structure

Details Evidence for a Major Impact Structure in the Northwest Province of South Africa - The Morokweng Impact Structure Evidence for a Major Impact Structure in the Northwest Province of South Africa - The Morokweng Impact Structure

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..257c&link_type=abstract

Lunar and Planetary Science, volume 27, page 257

Physics

Geophysics

2

Geophysics, Metamorphism: Shock, South Africa, Structures: Impact, Structures: Morokweng Impact

Scientific paper

Evaluation of gravity and aeromagnetic data for the region of the Northwest Province of South Africa has revealed the presence of a circular structure of about 340 km in diameter. Together with our findings of shock metamorphism in the form of planar deformation features (PDFs) in quartz of quartzite and of brecciated Banded Iron Formation (BIF) from this region, as well as a report of shock metamorphism and a melt rock from drillcore from the central part of this region by Andreoli et al., this geophysical evidence is strongly indicative of a large, previously unknown, impact structure, termed the Morokweng impact structure.

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