Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 133
... Upper Cretaceous sections with successive faunas rich in dinosaurian remains . The writer has endeavored to compile in the present paper most of the available stratigraphic data on these dinosaurian faunas . Professor W. T. Thom , of ...
... Upper Cretaceous sections with successive faunas rich in dinosaurian remains . The writer has endeavored to compile in the present paper most of the available stratigraphic data on these dinosaurian faunas . Professor W. T. Thom , of ...
Сторінка 141
... Upper Cretaceous fauna , so that the Lance formation must be correlated principally on the basis of its stratigraphic position . As noted above , the underlying Fox Hills series is apparently of Mæstrichtian age . The Lance beds , in ...
... Upper Cretaceous fauna , so that the Lance formation must be correlated principally on the basis of its stratigraphic position . As noted above , the underlying Fox Hills series is apparently of Mæstrichtian age . The Lance beds , in ...
Сторінка 143
... upper Santonian or the lower Cam- panian . The Bearpaw formation , which overlies the Judith River beds , consists almost entirely of dark grey marine shales . The rich molluscan fauna of the Bearpaw shales is made up of Pierre species ...
... upper Santonian or the lower Cam- panian . The Bearpaw formation , which overlies the Judith River beds , consists almost entirely of dark grey marine shales . The rich molluscan fauna of the Bearpaw shales is made up of Pierre species ...
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facing 131 | 4 |
Ten Unsolved Mysteries of the Stellar Universe By HARLOU | 13 |
THE AMERICAN PHILOSOPHICAL SOCIETY HELD AT PHILADELPHIA | 17 |
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