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Jan 12, 2024 · You can find interesting fern fossils in St. Clair. What’s unique about them is that during fossilization, pyrite got into the mix. Through time, this pyrite was replaced by pyrophyllite, which gives the fern fossils their white color. Other Top Places To Find Pennsylvania Fossils By Region
Mar 26, 2019 · Common Pennsylvania Fern Fossils. Huge slabs of weathered shale and slate run down the local stream nearby. Lifting pieces up can introduce you to a large number of different fern fossils. There are bits of Lepidophylloides and pieces of Lepidodendron bark. The ferns could be Neuropteris or Pecopteris, and I am leaning towards Pecopteris.
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Jun 17, 2009 · St. Clair, Pennsylvania - Fern Fossils. All plant fossils were found in the Llewellyn Formation (300 mya, Pennsylvanian Period) and are one of the few places where one can find these very detailed white (sometimes yellow) ferns on a striking contrast of black shale.
Jul 9, 2017 · The trilobites were fascinating, the colorful varieties of petrified wood were captivating, but there was always something magical about large plates of shale covered in delicately-preserved fossil ferns. For decades I had heard about the famous fossilized ferns of Eastern Pennsylvania (Llewellyn Formation) and had dreamed of traveling there.
Nov 13, 2020 · Fossil Friday #31 highlights Pennsylvanian Period ferns from St. Clair, PA. Yes, that's Pennsylvanian ferns from Pennsylvania! The Llewellyn Formation, from whence these ferns come, dates to 308 to 300 million years ago. Remember, the fossils of Mazon Creek date to about 307 million years, so these plants were contemporaries.
Sep 29, 2022 · (520) 322-5773. tgms@tgms.org. Posted on September 29, 2022. World-Famous St. Clair Fern Fossils. The fern fossils from St. Clair, Pennsylvania are world famous. These plant fossils occur in black shale matrix, and have a characteristic white coating of the mineral pyrophyllite.
Fossil Pit. three Trilobites found in the curled position at the Montour Preserve Fossil Pit in August, 2015. The Montour Preserve Fossil Pit consists of approximately one acre of exposed Mahantango Formation shale. Formed some 395 million years ago during the Devonian Period when much of Pennsylvania was covered by a warm, shallow sea, these ...
