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The timing of MARID metasomatism in the Kaapvaal mantle: An ion probe study of zircons from MARID xenoliths

✍ Scribed by Jürgen Konzett; Richard A. Armstrong; Russell J. Sweeney; William Compston


Book ID
117095346
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
568 KB
Volume
160
Category
Article
ISSN
0012-821X

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The Gibeon Kimberlite Province, southern Namibia, comprises numerous, 70-80 Ma old kimberlite pipes and dykes commonly containing abundant mantle and crustal xenoliths. We dated by SHRIMP II zircons from a garnet peridotite xenolith (Pipe Hanaus 1). The xenolith consists of garnet, orthopyroxene, cl