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This road log runs from the Portage Lake area of the Keweenaw Peninsula, north and east to Copper Harbor located in the eastern end of the peninsula (Fig. 1). The road log is designed to provide coverage of all major lithologic units within the Keweenaw Peninsula segment of the middle Proterozoic Midcontinent rift system (Fig 2). Many of the stops include examples of the effects of late compressional faulting and of native copper mineralization and associated burial metamorphic alteration. Stops include roadcuts, lakeshore outcrops, old mine waste rock piles and a private mine. The Michigan Tech Earth Science Laboratory...

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