 ... of the latter to the northwest into the British possessions as far as the sixty-first, parallel. They were of a marine origin until towards the close of the period when a prolonged orographic movement elevated a large area of the continent above sea...  The American Geologist - Pagina 348geredigeerd door - 1893Volledige weergave - Over dit boek
 | American Association for the Advancement of Science - 1894 - 516 pagina’s
...movement elevated a large area of the continent above sea level and locally upturned the Cretaceous strata in the Rocky mountain area. The shoaling of the sea...Pacific coasts, and of freshwater origin in the Rocky mountains and Great Plains areas — where they were deposited in the great inland lakes outlined in... | |
 | 1893 - 912 pagina’s
...elevated a large area of the continent above sea level, and locally upturned the Cretaceous strata in the Rocky mountain area. The shoaling of the sea...formation of great inland lakes, in which fresh water depdsits succeeded the marine and estuarian sediments. Over the coastal regions they were of marine... | |
 | American Association for the Advancement of Science - 1894 - 524 pagina’s
...movement elevated a large area of the continent above sea level and locally upturned the Cretaceous strata in the Rocky mountain area. The shoaling of the sea...sediments. Over the coastal regions they were of marine orisjin throughout. The Tertiary sediments deposited on the Cretaceous are marine on the Atlantic,... | |
 | American Association for the Advancement of Science - 1894 - 524 pagina’s
...movement elevated a large area of the continent above sea level and locally upturned the Cretaceous strata in the Rocky mountain area. The shoaling of the sea...sediments. Over the coastal regions they were of marine oriiiin throughout. The Tertiary sediments deposited on the Cretaceous are marine on the Atlantic,... | |
 | American Association for the Advancement of Science - 1894 - 548 pagina’s
...movement elevated a large area of the continent above sea level and locally upturned the Cretaceous strata in the Rocky mountain area. The shoaling of the sea...sediments. Over the coastal regions they were of marine oriuin throughout. The Tertiary sediments deposited on the Cretaceous are marine on the Atlantic, Gulf... | |
 | Smithsonian Institution. Board of Regents - 1894 - 1040 pagina’s
...movement elevated a large area of the continent above sea level and locally upturned the Cretaceous strata in the Rocky Mountain area. The shoaling of the sea....which fresh. water deposits succeeded the marine and estuarine sediments. Over the coastal regions they were of marine origin throughout. The Tertiary sediments... | |
 | Smithsonian Institution. Board of Regents - 1894 - 1144 pagina’s
...marine and estaariue se§hnents. Over the coastal regions they were of marine origin throughout. "Hie Tertiary sediments deposited on the Cretaceous are...marine on the Atlantic, Gulf of Mexico, and Pacific coast*, and of fresh- water origin in the Rocky Mountain and Great Plains areas, where they were deposited... | |
 | Smithsonian Institution. Board of Regents - 1894 - 1122 pagina’s
...large area of the continent above sea level and locally upturned the Cretaceous strata in the Eocky Mountain area. The shoaling of the sea was followed by the formation of great inland lakes in which freshwater deposits succeeded the marine and estuarine sediments. Over the coastal regions they were... | |
 | American Association for the Advancement of Science - 1894 - 516 pagina’s
...movement elevated a large area of the continent above sea level and locally upturned the Cretaceous strata in the Rocky mountain area. The shoaling of the sea was followed by tlie formation of great inland lakes in which fresh water deposits succeeded the marine and estuarian... | |
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