Geology of the Pumpkin Buttes Area of the Powder River Basin, Campbell and Johnson Counties, Wyoming

摘要: About 200 uranium occurrences have been examined in the Pumpkin Buttes area, Wyoming. Uranium minerals are visible at most of these places and occur red buff sandstone lenses Wasatch formation Eocene age,, The disseminated near sandstone, also manganese oxide concretions uraninite concretions,,