Field Notebook: CO 1952b
Page 101
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Transcription
'L 45.7 Sandstone, fine gr - loc. wed near base, gray wartz, even bedded x-lamin to x bedded. Base1 3-4' has clay pellets. M 3.6 Clay zone - breakdown. 0.4 Gray plastic shaly clay 2.5 I.B. silty gray shale and siltstone. Lzfter irreg bedded to platy, some layers fine ss. (0.1^√) (0.4) Fe stained zone of brittle to plastic clay (Sample 1.) * local concentration Fe in grains. 0.3 Gray plastic shaly clay N 1.1 Fine gr. sandstone, platy, loc. silty, top grades to argill. siltst. w/fg gr, brn mottling on wartz. surface O .6√ Porcellanite? zone with local concent. Fe forming spongy zone in upper .3. (Sample 2.) * P 2.5 Sandstone, fine gr., massive, Fe exp - brown wartz. on top surfacc covered with ripple marks. Q 12.0 Interbedded ss in even beds. 0.1 to 2.0 thick and with partings and thin beds of shaly, siltstone, gray. Whole wartzs lite gray, most silty beds in upper 2.1 with thin ss, below ss in thicker beds. Whole is even-bedded, locally laminated. 47