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The Green River Formation is an Eocene geologic formation that records the sedimentation in a group of intermountain lakes in three basins along the present-day Green River in Colorado, Wyoming, and Utah.
Learn about the spectacular fossils of plants, animals, insects and fish from the Green River Formation of Colorado, Utah and Wyoming. The formation is 50 million years old and contains oil shales, coals, varves and fossil gems.
The Green River Formation is a rich fossil site for Eocene plants and animals in western North America. Learn about the climate, sedimentary rocks, dating methods and fossilization processes of this important locality.
The Green River formation, an oil-shale formation in Colorado, Utah, and Wyoming, is a potentially valuable source of synthetic crude oil. In eastern Germany and Poland the Kupferschiefer, a bituminous shale, is mined for copper, lead, and zinc.
The Green River Formation of Wyoming, Colorado and Utah contains an important record of the paleogeography, climate and lakes in the Rocky Mountains region during the Early Eocene epoch. Its have been a source of inspiration for paleolimnologists since before the term paleolimnology came to exist.
- Michael Elliot Smith, Alan R. Carroll
- 2015
Learn about the Green River Formation, a lagerstatte of Eocene epoch fossils from Colorado, Wyoming and Utah. Discover the lithology, paleoenvironment, and diversity of vertebrates, invertebrates and plants preserved in this geological formation.
Together, Fossil Lake, Lake Uinta, and Lake Gosiute formed the Green River Lake System that covered parts of modern-day Wyoming, Utah, and Colorado. These large lakes persisted for around 12 million years—longer than most known lake systems on Earth!
