Field Notebook: Texas, Oklahoma 1919
Page 59
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Transcription
San Jata, Thursday, March 20, 1919. Started out at 8 A.M. to see the rest of the Bend To the southeast of San Jata. Dark morning, clear afternoon. The first stopper at a place in the valley of the irrigated Colorado River about 3 1/2 miles N.W. of Bend. Here and all the way to Bend the Smithoniel shale is well exposed. Mr. Bean tells me the thickness is 250 feet, and that the lower 115 is my Black. We saw almost no frogs, small Eumorphlus and weird like things. Also we said. These shales are decidedly carbonaceous and on fresh exposure smell of petroleum. The upper 110 feet of Smithoniel is of an olive color and rather a clay than a shale. We saw no frogs. Inside the shale is said Tibe mottled. The Smithoniel is here conformably overlain by the Shawn, due the reddish greenish sandstone with shale faints. Contact was not exposed. The Shawn here has broad imprints, rare a small Calanites, and worm burrows. One style of worm burrow was much to me are flare two slots yet. Then we went on to within one mile of Bend. Here along the south side of the Colorado River are more ex- posed the lowest beds of the Smithoniel. Black car-