Accretion of Archean oceanic plateau fragments in the Abitibi greenstone belt, Canada

Jean-Philippe Desrochers, Claude Hubert, John N. Ludden, Pierre Pilote

Research output: Contribution to journalArticle

Abstract

New geological data from the Malartic composite block of the Abitibi greenstone belt indicate that this volcanic pile is composed of four distinct mafic lithotectonic domains that are overlain by a calc-alkaline sequence. The mafic domains are thought to be examples of accreted Archean oceanic plateau material that were deformed during their collage state. The younger calc-alkalic sequence represents extension-related volcanism that erupted through the accreted and deformed plateau material. The relations described here may represent a common feature of Archean terranes.

Original languageEnglish
Pages (from-to)451-454
Number of pages4
JournalGeology
Volume21
Issue number5
DOIs
Publication statusPublished - 1 May 1993

ASJC Scopus subject areas

  • Geology

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