Field Notebook: WY 1955a
Page 150
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Transcription
4.5 Silts tone, somewhat argillaceous in lower 2.5, hard massive white ledge in upper 2, which is finely sandy. 4/3 Interbedded dk gray to black sh with selenite and thin layers + laminar fine gr. ss, becoming sandy upward in rather t gradual to next unit. Some ss layers Fe imprecq, worm touched 8.5 Irreg to tab. thin bedded x 12m, buff weth, ss. Rip wkd, worm tracked some Fe imprecq beds in upper 3', Local shaley ss pts + thin beds Some qrp layers. 6.5 Interbedded brown weth massive x 12m ss in beds 1.0- 1.6 ±, and gray siltstone, worm tubes in ss, vertically, silt is uniquely laminated, some mottled gray, some worm worked, weths gray loc. Fe yellow + o. stem. 6.8 Sandstone, chiefly one massive fine gr bed, with 1 foot bed at base and about 2' of 1.0 to thin piely beds on top. weths buff. 9.0 Convexed interval, some dk gray shaly in spots on slope 2.0 Sand stone, fine-grsd, Febedded o.k.bru Fe imprecq, rp. mtd, caps butte.