| | Journal (article/letter/editorial) | volcaniclastic breccia complex, northwestern Ontario, Canada Received: 10 January 2005 / Accepted: 6 June...Lakehed University, 955 Oliver Road, Thunder Bay, Ontario, CANADA P7B 5E1 E-mail: rmitchel@lakeheadu.ca...approximately 25 km northwest of the town of Marathon (Ontario), 1 km from the western margin of the Coldwell...alkaline complex and 20 km south of the Prairie Lake carbonatite complex (Fig.1). Although the term ‘diatreme’...Deadhorse Creek) are located along strike of the Big Bay-Ashburton Fault which is the proposed northern extension |
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