Field Notebook: Texas 1957a
Page 164
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Transcription
Lemert Hills near Sullivan Ranch Road. P. King has mapped the Ness as being faulted about 50 to 75' down to NE unknown fault. I believe there are several similar faults, parallel to the main one. I will sample from the section below the NE [illegible] not, but I believe the Leonard is faulted below the Ness at this point and the Leonard clay of Leonard is caps it. G.A. Cooper in The West Texas Perm. Guide Book 1957 mentions that it seems to be Leonard, 8/2/57 Sect 9 Section 21 - Sullivan Ranch Road at NE end of Lemert Hills. P. King called this central Wolfcamp, I believe it is probably these. 0° dip for measurement. 1) LS, mud gray, more or less massive, forms lower party slope - 8/2/57/1 The lower 5' of this unit contains chalk pebbles (fine) in well defined bedding band. Dev. & Ord. shales. Upper 1" is orange-brown well sorted total 34' 2) Covered, 34'; patches of light brown siltstone and sandstone crop out here and there in this interval but no definite relationships were determined. In the upper 15' several biochemical rubble IS appears to be present. 3) Muds & dark gray calcareous; well sorted, upper ½" is dark siliceous rich. 1' 4) Shale + siltstone, light brown 1' 5) LS gray with a tinge of brown. Biohermal rubble - Crinoid columns 2" or more diam. 3" to 2' beds - total 5½'