Mantle Structure Beneath the SW Slave Craton, Canada: Constraints from Garnet Geochemistry in the Drybones Bay Kimberlite期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Mantle Structure Beneath the SW Slave Craton, Canada: Constraints from Garnet Geochemistry in the Drybones Bay Kimberlite

Authors:	CARBNO, G. B. CANIL, D.

Affiliation:	SCHOOL OF EARTH AND OCEAN SCIENCES, UNIVERSITY OF VICTORIA, 3800 FINNERTY ROAD, PO BOX 3055, VICTORIA, B.C., CANADA V8W 3P6

Abstract:	This study describes the petrography of peridotite xenoliths,and the major and trace element geochemistry of garnets in bothxenoliths and coarse concentrate from the Drybones Bay kimberlite.The temperature and depth of equilibration of clinopyroxeneand garnet show that the mantle lithosphere beneath the SW marginof the Slave Province was at least 160 km thick at the timeof kimberlite emplacement (

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