Geology√

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Geology√

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Geology√

1974 Archival description results for Geology√

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Outcrop of McMurray formation

Horse Creek Valley near McMurray, Alberta. Outcrop of McMurray formation (Lower Cretaceous), commonly called "tar sand" overlain by Clearwater formation (Lower Cretaceous)

Outcrop of gabbro and moraine on deposited stratified drift

Axel Heiberg Gr. Looking east toward 63 K 121 which is the large conical mound in middle background and which is an outcrop of gabbro, pushed and partly obliterated by debris deposited against it by the glacier. In front, moraine can be seen to lie on previously deposited stratified drift laid down in a moraine lake. This stratified drift forms the flat grass-covered area in front. Later retreat of the glacier extablished a new moraine lake at a lower level and caused the dissection of the older lake deposits on which moraine had been dumped. In the far background is the large gypsum diapic (?).

Results 616 to 630 of 1974

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