Martinsburg Formation
http://dbpedia.org/resource/Martinsburg_Formation an entity of type: Abstraction100002137
The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for the town of Martinsburg, West Virginia for which it was first described. It is the dominant rock formation of the Great Appalachian Valley in New Jersey (where it is called Kittatinny Valley and Pennsylvania (in the Lehigh Valley and Lebanon Valley).
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Martinsburg Formation
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Martinsburg Formation
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9814046
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1112696263
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A sample of the Martinsburg shale from the Pennsylvania Turnpike at mile post 66.
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United States
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Late Ordovician
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Virginia and West Virginia
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The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for the town of Martinsburg, West Virginia for which it was first described. It is the dominant rock formation of the Great Appalachian Valley in New Jersey (where it is called Kittatinny Valley and Pennsylvania (in the Lehigh Valley and Lebanon Valley).
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Jacksonburg Limestone and Utica Shale
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5261