Meso- and Neoarchean evolution of the Island Lake greenstone belt and the northwestern Superior Province: Evidence from lithogeochemistry, Nd isotope data, and U-Pb zircon geochronology
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- 作者：Jen Parksa ; Shoufa Lina ; shoufa@uwaterloo.ca" class="auth_mail ; Donald W. Davisb ; Xue-Ming Yangc ; Robert A. Creaserd ; M. Timothy Corkeryc
- 关键词：Island Lake greenstone belt ; Timing of deformation ; Tectonic amalgamation and terminal collision ; North Caribou terrane ; Northwestern Superior Province
- 刊名：Precambrian Research
- 出版年：June 2014
- 年：2014
- 卷：246
- 期：Complete
- 页码：160-179
- 全文大小：4369 K
文摘
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Two stages (Meso- and Neoarchean) of south-dipping subduction along northern margin of North Caribou Terrane are proposed.
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U–Pb zircon age data show two events of deformation at >∼2.72 Ga and ∼2.70 Ga.
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Terminal collision occurred at ca. 2.70 Ga.