Dating the shock wave and thermal imprint of the giant Vredefort impact, South Africa.

Authors :: Moser, D.E.
Source :: Geology. Jan97, Vol. 25 Issue 1, p7. 4p. 4 Black and White Photographs, 1 Chart, 3 Graphs.
Publication Year :: 1997
Abstract: Dates an episode of intense postimpact metamorphism in the core of the Vredefort impact structure of South Africa, using U-Pb geochronology of single grains of zircon and monazite. Geologic setting and sample descriptions; Indlandsee leucogranofels; Norite; Age of impact and core metamorphism; Causes of thermal imprint.

Language :: English
ISSN :: 00917613
Volume :: 25
Issue :: 1
Database :: Academic Search Index
Journal :: Geology
Publication Type :: Academic Journal
Accession number :: 9706016509
Full Text :: https://doi.org/10.1130/0091-7613(1997)025<0007:DTSWAT>2.3.CO;2

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