The Green River Formation is an Eocene geologic formation that records the sedimentation in a group of intermountain lakes in three basins Lithology and formation · Fossil zones · Oil shale

THE GREEN RIVER AND ASSOCIATED TERTIARY FORMATIONS. GEOLOGY OF GREEN RIVER FORMATION AND ASSOCIATED EOCENE ROCKS IN SOUTHWEST-. ERN WYOMING AND ADJACENT PARTS ...

The Green River Formation is the site at which the fossil of the oldest known flying mammal was found. This organism, a bat, Icaronycteris index, was preserved ...

Sediments and associated geologic features found in the Green River Formation deposits include deltas, beaches, springs and rocks from center and near shore ...

Each formation exhibits rapid lateral facies changes, abrupt thickness changes, intraformational unconformities, and in places, gradational contacts. The Eocene ...

The Green River Formation, the topmost layer of rock, contains the most extensive record of fossilized freshwater fish in North America. Remarkably intact ...

The Green River swamps and lakes provided an exceptional environment for fossil formation. The lakes and swamps were calm environments where remains were ...

Together, Fossil Lake, Lake Uinta, and Lake Gosiute formed the Green River Lake System that covered parts of modern-day Wyoming, Utah, and Colorado.

7. For example, in the northern Green River Basin, the GRF laterally interfingers with the Wasatch, which in turn grades into the Pass Peak Formation, an ...