Conglomerate

Northwest Wyoming (Jackson Hole) (Pleistocene or Pliocene)--Paleozoic clasts, chiefly of Madison Limestone, in a lithified carbonate matrix; Central (Medicine Bow Mountains) and east Wyoming (east of Laramie Mountains) (Pleistocene to Miocene)--Giant granite boulders in an arkose matrix.
State Wyoming
Name Conglomerate
Geologic age Miocene-Pleistocene
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate
References
NGMDB product
Counties Albany - Carbon - Platte - Teton