Correlation Papers ; Cretaceous |
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Acad Archean Atlantic Border region Belly River boundary Bull California Carboniferous ceous characteristics clays Comanche series contains correlation Cretaceous age Cretaceous deposits Cretaceous formations Cretaceous rocks Cretaceous series Cretaceous strata Dakota formation Dawson discussed district eastern Eocene epoch equivalent flora Fort Benton fossils geologists Gulf Border region hiatus horizon indicate Interior area invertebrate Island Jour Jurassic known Kootanie Laramie formation lignite limestone lithological Lower Cretaceous lower delimitation marine division memoir Mesozoic Mississippi Missouri River Montana Montana formation Newberry non-marine division North American Cretaceous North Interior region North Mexican region occupied occur overlying Pacific Border region paleontological Paleozoic plants plates portion Potomac formation Proc Prof published recognized referred regarded Report represent Ripley Shasta South southern species stratigraphical Surv taceous Tertiary Texan region Texas thickness time-hiatus tion U. S. Geol unconformity upper and lower Upper Cretaceous vertebrate western
Popular passages
Page 52 - TYSON, PHILIP T. Second Report of Philip T. Tyson, State Agricultural Chemist, to the House of Delegates of Maryland, Jan.
Page 50 - Descriptive sketch of the physical geography and geology of the Dominion of Canada...
Page 44 - Engineer; with some remarks on the Tertiary and Cretaceous formations of the north-west, and the parallelism of the latter with those of other portions of the United States and Territories: Acad.
Page 38 - A preliminary annotated check list of the Cretaceous invertebrate fossils of Texas accompanied by a short description of the lithology and stratigraphy of the system : Texas Geol.
Page 57 - Report on the Invertebrata of the Laramie and Cretaceous Rocks of the Vicinity of the Bow and Belly Rivers and Adjacent Localities in the North-West Territory.
Page 148 - What we now know of the various epeirogenic movements which resulted in the production of the present continent leads me to believe that such an outlet, if one existed, was at the southern end, and this suggestion is supported by certain paleontological conditions which have been observed in Laramie strata in the Texan and North Mexican regions. That is, certain fossil forms have been observed in those strata which seem to indicate a greater saltness of the water in which they were deposited than...
Page 45 - Descriptions of new Lower Silurian (Primordial), Jurassic, Cretaceous, and Tertiary Fossils, collected in Nebraska, by the Exploring Expedition under the command of Capt. Wm. F. Raynolds, US Top. Eng'r; with some Remarks on the Rocks from which they were obtained.
Page 27 - ON THE FOSSIL REPTILES AND FISHES OF THE CRETACEOUS ROCKS OF KANSAS.
Page 26 - THE ANNUAL REPORT of Prof. Geo. H. Cook, State Geologist, to His Excellency Joel Parker, President of the Board of Managers of the Geological Survey of New Jersey, for the year 1864.
Page 121 - The strata beneath thecalcareous portion of this subhorizon are usually more or less clayey, and thM6 immediately above it in the south are often clayey, but in the north more often arenaceous. These facts will be again referred to in connection with the discussion of the two interior regions. Where the upper layers of the Austin limestone are to be observed they are found to be overlain by or to merge gradually into clayey or marly layers which, in eastern Texas at least, pass up into strata that...