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1031 [[circled]] 47 [[/circled]] April 15 At S 84[[degree symbol]] E of Hess Ranch we are on the large Coscinophora bioherm of which I have a slide. Coscin. extends half way up in the bioherm and is then cut off. [[sketch of geologic column in left margin]] --------| 1 | N --------| 15' | M --------| 4' | L --------| 10' | K --------| 16' | J --------| 5' | I --------| 733u 3' | H --------| 15' | G --------| 7' | F --------| 35' | E --------| 733v 3' | D --------| 6' | C --------| 11' | B --------| Cosc. | A 22' | --------| [[/sketch]] A - Coscinophora bioherm B - light gray bioherm sponges C - covered D - Massive flat bed with siliceous skins. & Fusulines = 733v. E - 35' light gray thick bedded limestone F - Darker gray, bedded limestone with 2" chert on top. G - Mostly covered but from float thin bedded siliceous shale and thin limestones H - Massive bed limestone = 733u cgl with cherty & siliceous masses I cherty brown shale J. Massive biohermal limestone K - yellow platy siliceous shale L - 3' - 4' ledge of light gray ls with fossils & siliceous masses M - 15' siliceous shale capped by one foot band of limestone = N Lenses of ls occasional in this interval this is an excellent place to collect. Paraceltites in bed N. Peniculauris in lenses of M.
