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The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions, formed approximately 309 million years ago in the mid- Pennsylvanian epoch of the Carboniferous period. These concretions frequently preserve both hard and soft tissues of animal and ...
Lake Colorado City State Park is a 500-acre state park southwest of Colorado City in Mitchell County, Texas, United States and is administered by the Texas Parks and Wildlife Department (TPWD). Lake Colorado City State Park is located on Lake Colorado City, a reservoir on Morgan Creek, a tributary of the Colorado River. The park opened in 1972. [2]
The Pohlsepia mazonensis fossil was found specifically in the Pit 11 region, within the Francis Creek Shale Member [7]. Like most soft tissue fossils found in Mazon Creek, it is preserved as a 2D light-on-dark discolouration of the matrix [8]. The Francis Creek Shale Member of the Carbon Formation has a diverse array of preserved plants and ...
Paleogene. Canyon Group / Caddo Creek Formation. Carboniferous. Canyon Group / Graford Formation. Carboniferous. Canyon Group / Palo Pinto Formation. Carboniferous. Canyon Group / Winchell Formation. Carboniferous.
Acrocanthosaurus.. Archaeologist Jack. T. Hughes has found evidence that the paleo-Indians of Texas collected fossils. [20] After the establishment of paleontology as a formal science, in 1878, professor Jacob Boll made the first scientifically documented Texan fossil finds in Archer and Wichita counties while collecting fossils on behalf of Edward Drinker Cope.
Snowmastodon site. Coordinates: 39.21°N 106.93°W. Poster for the Snowmastodon Project of the Denver Museum of Nature & Science. The Snowmastodon site, also known as the Ziegler Reservoir fossil site, is the location of an important Ice Age fossil excavation near Snowmass Village, Colorado. Fossils were first discovered on October 14, 2010 ...
The Florissant Formation is a sedimentary geologic formation outcropping around Florissant, Teller County, Colorado. The formation is noted for the abundant and exceptionally preserved insect and plant fossils that are found in the mudstones and shales. Based on argon radiometric dating, the formation is Eocene (approximately 34 million years ...
The Mazon River or Mazon Creek ( / məˈzɒn / ), is a tributary of the Illinois River in the United States. The confluence is near Morris, Illinois. [ 2] The Mazon River is associated with the Mazon Creek fossils of the Francis Creek Shale, which are also exposed in strip mines and quarries near the River. This fossil bed includes well ...