Abstract

ABSTRACT A soil geochemical survey was conducted over kimberlites in a discontinuous permafrost zone in the James Bay Lowlands, southeastern Hudson Bay Lowlands. The kimberlites are concealed by 10 to 30 m of tills and Tyrell Sea clay sediments. Samples of humus and B-horizon soil were collected at 25–50-m intervals over traverses with the total lengths of 562 m over the Whiskey kimberlite and 740 m over the Yankee kimberlite pipe. B-horizon soil samples, sieved to

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