Ogallala Formation

http://dbpedia.org/resource/Ogallala_Formation an entity of type: Mammal

The Ogallala Formation is a Miocene to early Pliocene geologic formation in the central High Plains of the western United States and the location of the Ogallala Aquifer. In Nebraska and South Dakota it is also classified as the Ogallala Group. Notably, it records the North American Land Mammal Ages (NALMAs) Hemphillian, Clarendonian, and Barstovian. It also includes an excellent record of grass seeds and other plant seeds, which can be used for biostratigraphic dating within the formation. The Ogallala Formation outcrops of Lake Meredith National Recreation Area preserve fish fossils. Similar specimens from the same unit are found at Alibates Flint Quarries National Monument in Texas. rdf:langString
rdf:langString Ogallala Formation
rdf:langString Ogallala Formation
xsd:integer 37922800
xsd:integer 1107586850
rdf:langString *Ash Hollow
rdf:langString *Kimball
rdf:langString *Valentine
rdf:langString Nebraska only:
rdf:langString Common appearance of the "caprock" caliche beds from the middle of the Ogallala at Ash Hollow, Nebraska
rdf:langString Neogene
rdf:langString The Ogallala Formation is a Miocene to early Pliocene geologic formation in the central High Plains of the western United States and the location of the Ogallala Aquifer. In Nebraska and South Dakota it is also classified as the Ogallala Group. Notably, it records the North American Land Mammal Ages (NALMAs) Hemphillian, Clarendonian, and Barstovian. It also includes an excellent record of grass seeds and other plant seeds, which can be used for biostratigraphic dating within the formation. The Ogallala Formation outcrops of Lake Meredith National Recreation Area preserve fish fossils. Similar specimens from the same unit are found at Alibates Flint Quarries National Monument in Texas.
rdf:langString chert, agate, opaline sandstone, marl, limestone, ash
rdf:langString Weathered Cretaceous, Jurassic, Triassic, and Permian terrains
rdf:langString sand, gravel, caliche cementation
xsd:nonNegativeInteger 12209
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data from the linked data cloud