Specimen of oil shale breccia, shows a large fragment in the middle, oriented at a small angle with the normal bedding so that it shows its own lamination, which is quite different from that of the rock. Rio Blanco County, Colorado. 1925.
Dates
Date Taken
1925
Summary
Specimen of oil shale breccia, shows a large fragment in the middle, oriented at a small angle with the normal bedding so that it shows its own lamination, which is quite different from that of the rock. Upon the upturned fragment is a patch of Lepidosleus scales. Rio Blanco County, Colorado. August 16, 1925. Plate 16-A, U.S. Geological Survey. Professional paper 168. 1931.
Summary
Specimen of oil shale breccia, shows a large fragment in the middle, oriented at a small angle with the normal bedding so that it shows its own lamination, which is quite different from that of the rock. Upon the upturned fragment is a patch of Lepidosleus scales. Rio Blanco County, Colorado. August 16, 1925. Plate 16-A, U.S. Geological Survey. Professional paper 168. 1931.
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