Description
The Clinton Group (or Formation) is a widely traceable, lower Silurian lithostratigraphic unit composed primarily of shale and mudstone, though it encompasses a heterogeneous assemblage of sedimentary rock types, including conglomerate, sandstone, limestone, dolostone, and ironstone. In its designated type area in Clinton, Oneida County, New York the unit is approximately 50 meters (180 feet) thick, and composed primarily of blue-grey mudstone, shale, and sandstone with several discrete ferruginous horizons, known colloquially as "Clinton Ironstones". The lateral equivalent of these beds to the south is the Rose Hill Formation of Pennsylvania, and olive-gray to drab, thin-bedded sandstone.
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