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Petrofabric studies of some fine-grained rocks by means of x-ray diffraction
Crystallographic orientation in rocks too, fine-grained to be studied optically can be determined by X-ray diffraction. Absorption and geometric corrections are unnecessary because, by studying hemispherical surfaces, ...
Biostratigraphy of the upper Pennsylvanian Wayland Shale in McCulloch-Coleman counties, Central Texas
The Wayland Shale of Late Pennsylvanian (Virgilian) age was studied at selected outcrops near the Colorado River in McCulloch and Coleman Counties, Texas, in order to interpret the environments of deposition. More than 40 ...