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Fossils have been recovered from every rock type in the Llewellyn but are predominantly found in the siltstone, shale, and coal layers. The compression fossils from the Llewellyn formation are well known for the striking white color on the dark stone. An important location for these fossils is near St. Clair, Pennsylvania.
The Five Points cannel coal mine was first publicized as a fossil site by Robert Hook and Donald Baird in 1994, who collected tetrapod fossils comparable to those found at Linton. However, the mine at Five Points was reclaimed around the same time, so the fossiliferous spoil piles are no longer accessible for further collection. [10] [11]
Most of the coal being mined from this section is from the Pennsylvanian-aged formations. Along with the Mazon Creek fossil field in Illinois, a tremendous amount of plant fossils has been studied from this area. [13] Landslides and acid mine drainage are two principal hazards of the area. In the past, underground mine fires have also been a ...
Some of Pennsylvania's most important fossil finds were made in the state's Devonian rocks. [2] Carboniferous Pennsylvania was a swampy environment covered by a wide variety of plants. The latter half of the period was called the Pennsylvanian in honor of the state's rich contemporary rock record. By the end of the Paleozoic the state was no ...
This article contains a list of fossil-bearing stratigraphic units in the state of Pennsylvania, U.S. Sites ... Connemaugh Group/Duquesne Coal: Carboniferous:
Coal-mining was also one of the many dangerous jobs that employed child workers. Children were perfect for squeezing into tight spaces in mines that adults could never reach.
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 †Isotelus gigas †Kiaeropterus †Kingstonia †Kladognathus †Kootenia †Kutorgina †Lancastria †Langlieria †L. radiatus – type locality for species †L. smalingi – type locality for species [2] †Lepidostrobus †Leptomitus †Lenisicaris