Field Notebook: CO 1952d
Page 71
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Transcription
Alameda #3 Alameda - Study of disconft. above Alameda highway - between cut and inter-section with Morrison road. Base Brl SS 3,0 Juteurbldg liq. shy siltstn bcutentic strct locally (x,u,v,w) 2,8 Szudstone, fine gr - = X of preceding section 2,0 Shely zone, dk gray, clsc. 8,3 Szudsta, fine gr, massive x bed, locally silty, carb with plant crazs, some zwill, wcthis gray yellow stocks, bzsl 0,4+ loclly cyl. ch bobs up to 0,3dm Disconformity 3,7 Argillaceous siltstn + siltyclsty weth, yellow & pink-, some gray [Szample 1] wtdor swq'll siltstn. 3,0 Clzy, silty, loc'l zones Fe pellets. [Szample 2] chiefly gray, weath white + some pink. 1,0+ Szudstone, porous, impreg with Fe - weth pink-gray to red. 2,3 Clzy, silty grading down to zwill siltstn (loc ssndy), upper 1.0 fair clay (bottom sample) Fe impaccr SS zs above, Slope wasl - more gray clay & less for about 10' then red clsty comes in alter- nating with gray, clzystone and thinss lydust. (over 35