WebDinwoody Formation - Olive-drab hard dolomitic thin-bedded siltstone. Devils Basin Formation (Paleocene) at surface, covers 0.5 % of this area Light-gray sandstone interbedded with green and gray claystone; sparse coal and carbonaceous shale. Mesaverde Formation or Mesaverde Group (Upper Cretaceous) at surface, covers 0.4 … WebThe Nowood road is traveling on Mid Eocene (49-45 million years ago) Wagon Bed Formation. This Tertiary unit consists of volcanic sediment from the Absaroka Volcanic Field that was deposited in a warm, shallow lake (see Geowyo Absaroka Volcanic Province ). The lithology is greenish-grey, tuffaceous claystone, sandstone and conglomerate.
Early Mesozoic history and petroleum potential of formations in Wyoming …
WebWind River Formation (Eocene) at surface, covers 3 % of this area. Northwest Wyoming (Jackson Hole) - Variegated red and white claystone and siltstone; largely nontuffaceous … Web开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 エクセル f9 ボタン 作成
R.A. Paull
WebKnown to be facies of Dinwoody and Phosphoria formations of western Wyoming. Middle Permian and Lower Triassic. Measured section near Goose Egg Post Office, in NW/4 sec. 12, T. 32 N., R. 81 W., Goose Egg 7.5-min quadrangle (c.f.), Natrona Co., central WY, shows that formation comprises (descending): WebThe Chugwater Formation is a mapped bedrock unit consisting primarily of red sandstone, in the states of Wyoming, Montana, and Colorado in the United States. It is recognized as a geologic formation in Colorado and Montana, but as a Group (set of formations), the Chugwater Group, in Wyoming.Despite its presence below the highly studied Morrison … WebNov 18, 2024 · Divided into Red Peak Formation (base), Alcova Limestone, Jelm Formation (southeast) and its equivalent northwest of Granite Mountains, Crow Mountain … エクセル f9 使えない