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The Newcastle Sandstone is a geologic formation in Wyoming, United States. It preserves fossils dating back to the Late Cretaceous period . Named as a member of Draneros shale of Colorado group for the town of Newcastle, Weston Co, WY in Powder River basin, where member is conspicuously developed.
Sandstone quarrying began on Newcastle Island in 1869 when Joseph Emery from the United States Mint in San Francisco went looking for good quality sandstone for their new building. Finding the stone on Newcastle to be of the desired quality, he signed a five-year lease with the Vancouver Coal Mining and Land Company to cut stone for the building.
Formations of the Bayfield group on NPS Apostle Islands geological map. The Bayfield group is a quartz sandstone found in Wisconsin along the Lake Superior coast. [1] It is named for the village of Bayfield, Wisconsin, [2] but was once known as Western Lake Superior Sandstone.
Krukowski Quarry is a quartzite sandstone quarry near Mosinee, Wisconsin.In the late Cambrian period (510 m.y.a), this area was a beach and shoreline, and the quarry is well known for abundant fossil impressions of Climactichnites, Protichnites, and beached jellyfish, Scyphozoan Medusae.
Unmetamorphosed sedimentary rocks are found in the rock record from the Cambrian, in the early Paleozoic.The feldspathic quartz sandstone and orthoquartz sandstone of Chequamegon, Devils Island and Orienta formations make up the Bayfield Group which underlies the entire Lake Superior shoreline of the state from Chequamecon Bay to the St. Louis River in the west.
Mill Bluff State Park is a state park in west-central Wisconsin, United States.It is located in eastern Monroe and western Juneau counties, near the village of Camp Douglas.A unit of the Ice Age National Scientific Reserve, the park protects several prominent sandstone bluffs 80 feet (24 m) to 200 feet (61 m) high that formed as sea stacks 12,000 years ago in Glacial Lake Wisconsin.