Galena Group
http://dbpedia.org/resource/Galena_Group an entity of type: Abstraction100002137
The Galena Group or Galena Limestone refers to a sedimentary sequence of Ordovician limestone that was deposited atop the Decorah Shale. It is part of the Ordovician stratigraphy of the Upper Midwestern United States. It was deposited in a calm marine environment, and is fossiliferous.
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Galena Group
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Galena Group
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20433326
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1101540015
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Unidentified Trochonema from the Galena Group
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Ordovician
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The Galena Group or Galena Limestone refers to a sedimentary sequence of Ordovician limestone that was deposited atop the Decorah Shale. It is part of the Ordovician stratigraphy of the Upper Midwestern United States. It was deposited in a calm marine environment, and is fossiliferous.
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Minnesota, Wisconsin and Illinois
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2107