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Publications tagged with Cambrian

Title Publication Year Abstract Author Series Publisher
A New Quartz Sand Horizon in the Cambrian of Mason County, Texas A New Quartz Sand Horizon in the Cambrian of Mason County, Texas 1942 Plummer, F.B. Mineral Resource Circular Bureau of Economic Geology
Maps of Cambrian; Devonian; Upper, Middle, and Lower Ordovician; and Silurian Formations in Texas Maps of Cambrian; Devonian; Upper, Middle, and Lower Ordovician; and Silurian Formations in Texas 1938 Sellards, E.H. Miscellaneous Map Bureau of Economic Geology
Correlation of Cambrian Rocks in Central Texas Correlation of Cambrian Rocks in Central Texas 1963 Barnes, V.E. Miscellaneous Map Bureau of Economic Geology
Lead deposits in the Upper Cambrian of central Texas 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
Upper Franconian and Lower Trempealeauan Cambrian trilobites and brachiopods, Wilberns Formation, central Texas 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
Potential low-grade iron ore and hydraulic-fracturing sand in Cambrian sandstones, northwestern Llano region, Texas 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
Late Cambrian and Early Ordovician faunas from the Wilberns Formation of central Texas 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
Trilobites of the Upper Cambrian Ptychaspid biomere, Wilberns Formation, central Texas 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