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Geology of the Keweenaw Rift, Upper Michigan
out of 5 stars
27 Apr 2011 | Contributor(s):: William I Rose
This is a one hour 15 min lecture which is aimed at the Geology of the Keweenaw Peninsula and Isle Royale, where the Portage Lake Lava Series and the Copper Harbor Conglomerate are exposed and Earth's earliest known continental flood basalts can be observed in the field. The lecture is meant to...