Category Fossils

Plant Fossils of the Green River Formation
Fossils

Plant Fossils of the Green River Formation

Fossilized leaf: Two hundred and seventy-six leaves, seeds, and flowers are known from the Fossil Lake deposits. Fossil plants are key in determining the climate of past environments. National Park Service photo. Enlarge image. Introduction Abundant plants grew on broad swampy areas that developed around the margins of the intermountain lakes of the Green River Formation.

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Fossils

What is Petrified Wood? How Does it Form?

Petrified wood: Petrified logs at the Petrified Forest National Park near Holbrook, Arizona. Image by the National Park Service. Polished slice of petrified wood: Photograph of a polished cross-section of a petrified log from Arizona. Enlarge the image to see the structure of the wood and even insect borings.
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Fossils

Fish Fossils of the Green River Formation

Cockerellites liops (formerly Priscacara liops) occurs in at least one mass-mortality layer, indicating it was a schooling fish. It closely resembles a modern sunfish. National Park Service photo. Enlarge image. Introduction The Green River Formation of Colorado, Utah, and Wyoming is one of the world's best locations for finding fossil fish.
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Fossils

Green River Formation Fossils

Spectacular fish, plant, insect, bat, bird, turtle, horse and other types of fossils have been found Article by: Hobart M. King, Ph.D., RPG Green River Fossil Fish: Large teeth and rear-placed fins make Phareodus encaustus well suited for catching and eating other fish. View more Green River fish fossils.
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Fossils

Understanding Past Climate and Ecosystems

A case study from the Mio-Pliocene deposits at the West Coast Fossil Park, South Africa by Alexandra Guth, Michigan Technological University Reconstructing an environment: Scientists combine many pieces of evidence in order to understand Earth's past. Fossils (A) show specifically which animals lived in a region, while the sediments surrounding the bones provide important clues about the depositional setting.
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Fossils

Plant Fossils of the Green River Formation

Fossilized leaf: Two hundred and seventy-six leaves, seeds, and flowers are known from the Fossil Lake deposits. Fossil plants are key in determining the climate of past environments. National Park Service photo. Enlarge image. Introduction Abundant plants grew on broad swampy areas that developed around the margins of the intermountain lakes of the Green River Formation.
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