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Kupsch, Walter Oscar Geology√
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Restoration of Pleistocene Wooly Mammoth and Mastodon

Restoration of a Pleistocene mastodon (above) and a Pleistocene Woolly mammoth (below). A tooth of each is shown with a hand for scale. The crowned tooth of the mastodon was suitable for diet of twigs, branches and cones, whereas the infolded structure of the mammoth tooth was more adapted to a grass diet (Zumberge 1958, p. 362).

Diagram of a fault cutting horizontal strata

Diagram of a fault cutting horizontal strata. A, the fracture before displacement; B, after displacement but before erosion; C, after erosion of fault scarp (Emmons, Thiel, Stauffer, Allison, 1955, p. 461).

Résultats 1741 à 1755 sur 1765