St. Peter Sandstone
The St. Peter Sandstone is an Ordovician geological formation. It belongs to the Chazyan stage of the Champlainian series in North American regional stratigraphy, equivalent to the late Darriwilian global stage. This sandstone originated as a sheet of sand in clear, shallow water near the shore of a Paleozoic sea and consists of fine-to-medium-size, well-rounded quartz grains with frosted surfaces. The extent of the formation spans north–south from Minnesota to Arkansas and east–west from Illinois into Nebraska and South Dakota. The formation was named by Owen (1847) after the Minnesota River, then known as the St. Peter River. The type locality is at the confluence of the Mississippi and Minnesota Rivers near Fort Snelling, Minnesota. In eastern Missouri the stone consists of quartz sand
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Cannon River (Minnesota)
Castle Rock State Park (Illinois)
Gibraltar Rock State Natural Area
Graham Cave State Park
Klondike Park (St. Charles County)
Loutre River (Missouri River)
Minnehaha Park (Minneapolis)
Pacific Palisades Conservation Area
Saint Anthony Falls
Caves of FaribaultDutchtown FormationEverton DolomiteEverton FormationGeography of MinneapolisGlenwood ShaleGreen Lake (Wisconsin)History of Saint Paul, MinnesotaJoachim DolomiteJordan FormationList of fossil sitesList of fossiliferous stratigraphic units in IllinoisList of fossiliferous stratigraphic units in IowaList of fossiliferous stratigraphic units in MinnesotaList of fossiliferous stratigraphic units in WisconsinPlatteville LimestoneRiver Warren FallsSaint Peter SandstoneShakopee DolomiteSt._Louis_County,_MissouriSt._Peter,_MinnesotaSt. Peter FormationSt. Peter sandstoneStarved_Rock_State_ParkStreator,_IllinoisTainter CaveWinneshiek Shale
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St. Peter Sandstone
The St. Peter Sandstone is an Ordovician geological formation. It belongs to the Chazyan stage of the Champlainian series in North American regional stratigraphy, equivalent to the late Darriwilian global stage. This sandstone originated as a sheet of sand in clear, shallow water near the shore of a Paleozoic sea and consists of fine-to-medium-size, well-rounded quartz grains with frosted surfaces. The extent of the formation spans north–south from Minnesota to Arkansas and east–west from Illinois into Nebraska and South Dakota. The formation was named by Owen (1847) after the Minnesota River, then known as the St. Peter River. The type locality is at the confluence of the Mississippi and Minnesota Rivers near Fort Snelling, Minnesota. In eastern Missouri the stone consists of quartz sand
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The St. Peter Sandstone is an ...... tz sand that is 99.44% silica.
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1,014,142,048
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Old mine entrances in the St. ...... till actively quarried nearby.
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Arkansas, Illinois, Indiana, Iowa, Minnesota, Missouri, Wisconsin and West Virginia
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St. Peter Sandstone
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St. Peters River , Minnesota
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Middle Ordovician
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Dutchtown Formation, Glenwood Shale, Joachim Dolomite, and Wells Creek Formation
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The St. Peter Sandstone is an ...... stone consists of quartz sand
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St. Peter Sandstone
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