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Geology√

1974 Archival description results for Geology√

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Ordovician paleogeography of North America

Ordovician paleogeography of North America. Left: maximum submergence during Middle Ordovician time; right, maximum submergence of Late Ordovician time. In the latter, note the Taconian Mountains, bordered on the west by the broad, low Queenston Delta. Dunbar, 1960, p. 129.

Ore Gangue Geological Society fonds

  • MG 135
  • Fonds
  • 1934-1984

Minutes, photographs, and scrapbook; as well as an incomplete set publications "The Concentrates" and "Missinipe Achimowin: Churchill River Information."

Ore Gangue Geological Society

Oriented thaw lakes

Oriented thaw lakes. Location: Anderson River area, N.W.T. at 70 degrees 25' N. lat. and 128 degrees W. long, Air photo A14209-31.

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 1336 to 1350 of 1974

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