Publications tagged with Cambrian
Title | Publication Year | Abstract | Author | Series | Publisher | |
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A New Quartz Sand Horizon in the Cambrian of Mason County, Texas | 1942 | Plummer, F.B. | Mineral Resource Circular | Bureau of Economic Geology | |
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Maps of Cambrian; Devonian; Upper, Middle, and Lower Ordovician; and Silurian Formations in Texas | 1938 | Sellards, E.H. | Miscellaneous Map | Bureau of Economic Geology | |
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Correlation of Cambrian Rocks in Central Texas | 1963 | Barnes, V.E. | Miscellaneous Map | Bureau of Economic Geology | |
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Lead deposits in the Upper Cambrian of central Texas | 1956 | The lead and zinc deposits in the Upper Cambrian rocks of central Texas are reviewed in the light of new detailed information. Included are analytical data for all deposits, detailed stratigraphic sections of the Cambrian rocks, and maps at a scale of 4 inches to the mile. |
Barnes, V.E. | Report of Investigations | Bureau of Economic Geology |
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Upper Franconian and Lower Trempealeauan Cambrian trilobites and brachiopods, Wilberns Formation, central Texas | 1962 | Forty-three species belonging to 28 genera, 12 species of brachipods belonging to 8 genera, and 1 species of gastropods are described from the Morgan Creek, Point Peak, and San Saba Members of the Wilberns Formation in the Llano Uplift. |
Bell, W.C., Ellinwood, H.L. | Report of Investigations | Bureau of Economic Geology |
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Potential low-grade iron ore and hydraulic-fracturing sand in Cambrian sandstones, northwestern Llano region, Texas | 1964 | The red upper unit of the Hickory Sandstone is a hematitic and goethitic sandstone containing a large reserve of potential low-grade iron ore. |
Barnes, V.E., Schofield, D.A. | Report of Investigations | Bureau of Economic Geology |
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Late Cambrian and Early Ordovician faunas from the Wilberns Formation of central Texas | 1967 | The San Saba Member of the Wilberns Formation of central Texas is mostly coarse-grained, trilobitic limestone that grades eastward to dolomite and contains sandstone intervals in its westernmost exposures. |
Winston, Don, Nicholls, Harry | Report of Investigations | Bureau of Economic Geology |
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Trilobites of the Upper Cambrian Ptychaspid biomere, Wilberns Formation, central Texas | 1970 | Trilobites collected during the past 20 years from the Morgan Creek, Point Peak, and San Saba Members of the Wilberns Formation comprise 89 species assigned to 45 genera belonging to zones of the upper Franconian and Trempealeauan Stages of the Upper Cambrian Croixan Series. |
Longacre, S.A. | Report of Investigations | Bureau of Economic Geology |