Utica Shale, Geological formation in Appalachian Basin, United States.
The Utica Shale is a rock formation extending beneath New York, Pennsylvania, and Ohio, made up of black, calcareous layers rich in organic material. These sedimentary layers lie at depths ranging from 2,000 to 10,000 feet (600 to 3,000 meters) and hold significant hydrocarbon reserves.
Ebenezer Emmons first documented this rock sequence in 1842 near Starch Factory Creek east of Utica, New York. His discovery established the understanding of this underground formation as a major geological unit in the Appalachian region.
The formation shapes regional industrial development, influencing local economies through natural resource extraction and geological research initiatives.
This formation lies deep underground and is not directly accessible or visible to visitors. Information about it can be found in geological museums and universities across the region.
The layer thickness varies dramatically across its extent, reaching over 500 feet (150 meters) toward the east. This dramatic variation reflects different conditions that existed during its deposition hundreds of millions of years ago.
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