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Kupsch, Walter Oscar
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Amber, Baltic

Amber, Baltic. A clear brownish-yellow polished pendant with an insect (flying ant) enclosed.

American mastodon

American mastodon. Note the long jaw and low forehead compared with those of the mammoth. (Clark and Stearn, 1960, p. 376).

Angular unconformity

Angular unconformity. Zechstein above folded Carbiniferous. Carboniferous rocks (folded intensely) were leveled down by erosion; and on the erosion surface Permian strata (Zechstein) were horizontally deposited. The whole sequence was then raised, and again attacked by erosion. Cloos, 1954, p1. 44.

Angular unconformity

Angular unconformity. Pennsylvanian rocks lie with well developed angular unconformity on older folded rocks. Location: Melville Island at N. lat. 76 degrees, 00': W. long. 113 degrees 20'. For geology see G.S.C. Map 13-1959. Airphoto T416C-75.

Antarctica, Ross Ice Shelf

Antarctica, Ross Ice Shelf. Top: Ice in the Bay of Whales, a reentrant in the Ross Ice Shelf, protected in part by islands. The bay ice, 30 to 50 feet thick is folded by the pressure of the advance of the much thicker shelf ice around the protecting islands. The indvidual folds are several tens of feet high. Similar folds nearby are caused by the drag of the shelf ice over its own morainal deposits. Bottom: Sections through the Ross Shelf Ice abd Bay of Whales. The thickness of the ice has been determined by seismic methods. (Gilluly et al., 1959, p. 226).

Results 91 to 105 of 1945