Field Notebook: 1963b
Page 4
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Transcription
7-16-1 10' Grey s, / t stone (Cercidophyllum) 9 other leaves SITST but bright yell. iron mineral on bedding plane. 11. fine x vfg. grey S3. with Br. yell. Fe min & carbonaceous frags on bedding planes. Leaf fossils. Mica less than 17. 13 Grey s, / t stone with limonite staining 15.2 lignitic splits in lignitic fossiliferous shale. Sequoia & mowcat frags. Gypsum present. 15.8 grey shale with brown partings 17.4 light grey, limonite stain[strike]sty silty clay or [illegible] distinctively orange with some gritty mottling. small gyp x's present