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Studies of sedimentary environments in the Cretaceous Dakota Sandstone in northwestern Colorado
The Cretaceous Dakota Sandstone is a land-derived, relatively unfossiliferous lithogenetic unit which occurs over a large part of the western interior of the United States and Canada. Its thickness over most of this area ...
Petrofabric analysis of experimentally deformed calcite-cemented sandstones
Cylinders of sand crystals, composed of single crystals of calcite that poikilitically enclose detrital grains, and calcite-cemented sandstones from the Tensleep (Pennsylvanian, Wyoming) and Supai (Permian, Nevada) formations ...
A crustal structure refraction survey in south Texas
On August 11, 1960, sixty oil exploration and research seismograph crews attempted to record two shots detonated in the Texas Gulf Coastal Plain. Shotpoint A was located 16 miles northwest of Cleveland, Texas. Shotpoint B ...
The origin of bedded silicates with particular reference to the Caballos and Arkansas novaculite formations
The massive, white, dense siliceous rocks forming the prominent relief of the Ouachita Mountains and the Marathon Basin have been the subject of recurrent speculation for 100 years. Although this thin siliceous sequence ...