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Books Books 1 - 9 of 9 on Eemains of fishes are almost always found in the dark shales of No. 2. The black....
" Eemains of fishes are almost always found in the dark shales of No. 2. The black shales of No. 4 are quite conspicuous and well marked, and have been quite thoroughly prospected for coal, but to no purpose. These black shales pass gradually up into yellow... "
The Rocky Mountain Directory and Colorado Gazetteer, for 1871: Comprising a ... - Page 68
1870 - 442 pages
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Proceedings of the American Philosophical Society Held at ..., Volume 14

Electronic journals - 1874
...Lignitic Group, east from the mountains, Dr. Hayden says, "These black shales pass gradually up into rusty arenaceous clays, which characterize No. 5 ;...well-defined line of separation that I could ever discover."* In its southern extension and near the mountains the fucoidal sandstone is for the most part of a texture...
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PRELIMINARY FIELD REPORT OF THE UNITED STATES GEOLOGICAL SURVEY OF COLORADO ...

F. V. HAYDEN - 1869
...always containing an abundance of Inoceramus, doubtless I. problematicus, and Ostrea congesta. Eemains of fishes are almost always found in the dark shales...ovatus and several species of Inoceramus Ammonites, &c., are common. Another feature is well marked here, and that is, there are no beds that indicate...
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Preliminary Field Report of the United States Geological Survey of Colorado ...

Geology - 1869 - 155 pages
...congesta. Remains of fishes are almost always found in the dark shales of No. 2. The black shales of No. a are quite conspicuous and well marked, and have been...line of separation that I could ever discover. But fewspecies of fossils are found in Nos. 4 and 5 in their southern extension, but Baculites ovatus and...
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Annual Report of the United States Geological and Geographical Survey of the ...

Geological and Geographical Survey of the Territories (U.S.) - Geology - 1873
...always containing an abundance of Inoceramus, doubtless I. problematicus, and Ostrea congesta. Eemains of fishes are almost always found in the dark shales...ovatus and several species of Inoceramus Ammonites, &c., are common. Another feature is well marked here, and that is, there are no beds that indicate...
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united states geological survey

1873
...limestone, always containing an abundance of InoceramuSj doubtless J. problematicus, and Ostrea concjesta. Remains of fishes are almost always found in the dark...extension, but Baculites ovatus and several species of Inocemmus Ammonites, &c., are common. Another feature is well marked here, and that is, there are no...
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Annual Report of the United States Geological Survey of the ..., Volumes 1-3

Geological Survey of the Territories (U.S.) - Discoveries in geography - 1873
...characterize No. 5 ; and No. 5 passes up into the lignite tertiary beds, where they can be seen iu contact, without any •well-defined line of separation...ovatus and several species of Inoceramus Ammonites, &c., are common. Another feature is well marked here, and that is, there are no beds that indicate...
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The Geological Relations of the Lignitic Groups ...: Read Before the ...

Coal - 1875 - 29 pages
...Lignitic Group, east from the mountains, Dr. Hayden says, " These black shales pass gradually up into rusty arenaceous clays, which characterize No. 5 ;...well-defined line of separation that I could ever discover."* In its southern extension and near the mountains the fucoidal sandstone is for the most part of a texture...
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Proceedings of the American Philosophical Society Held at ..., Volume 14

Electronic journals - 1876
...Lignitic Group, east from the mountains, Dr. Hayden says, "These black shales pass gradually up into rusty arenaceous clays, which characterize No. 5 ;...well-defined line of separation that I could ever discover."* In its southern extension and near the mountains the fucoidal sandstone is for the most part of a texture...
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Report on the Geology and Resources of the Region in the Vicinity of the ...

North American Boundary Commission, 1872-1876, George Mercer Dawson - Geology - 1876 - 387 pages
...overlying scries that it does on the fortyninth parallel. The black shales of No. 4 arc said to li pass gradually up into yellow rusty arenaceous clays...beds where they can be seen in contact, without any well defined line of separation that I could ever discover"! In other localities Dr. Haydcn has denominated...
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