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Among the important early fossil discoveries in Tennessee was a possible candidate for the first known occurrence of amber discovered in the 1800s near Savannah. [12] Another major event occurred in 1920. At that time fossils extracted from Pleistocene deposits near Nashville had been shipped to the Carnegie Museum. [2]
Little is known about the early to mid Cenozoic of Pennsylvania, but during the Ice Age it seemed to have a tundra-like environment. Local Delaware people used to smoke mixtures of fossil bones and tobacco for good luck and to have wishes granted. By the late 1800s Pennsylvania was the site of formal scientific investigation of fossils.
Appendage of the Cambrian radiodont Lenisicaris. † L. pennsylvanica – type locality for species. Lingula. † Lingulella. † Llanoaspidella – type locality for genus. † Llanoaspis – tentative report. † Lonchocephalus. Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior ...
List of the Paleozoic life of Pennsylvania. This list of the Paleozoic life of Pennsylvania contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Pennsylvania and are between 538.8 and 252.17 million years of age.
Fossil of the Middle-Late Ordovician giant trilobite Isotelus. †Isotelus †Kockelella †Krausella †Lingulella †Lonchodomas †Marsupiocrinus †Meristella †Meristina †Monomorphichnus †Orthoceras †Ozarkodina †Ozarkodina confluens †Paciphacops; Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites ...
Outcrop on U.S. Route 522 at Blacklog Narrows southeast of Orbisonia, Pennsylvania. The Ordovician Juniata Formation is a mapped bedrock unit in Pennsylvania, West Virginia, Virginia, Tennessee, and Maryland. It is a relative slope-former occurring between the two prominent ridge-forming sandstone units: the Tuscarora Formation and the Bald ...
Knox County, Tennessee. Named by. Safford (1869, p. 151) The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is from the Late Cambrian to the Early Ordovician. Predominantly, it is composed of carbonates, chiefly dolomite, with some limestone.
The Lock Haven Formation is a Devonian mapped bedrock unit in Pennsylvania, in the Appalachian Mountains of the United States. Description [ edit ] The Lock Haven is gray to green-brown sandstone , siltstone , and shale and is over 400 million years old.