Named the Hardy Creek limestone member of the Moccasin limestone for Hardy Creek, Lee Co., VA. Unit is the upper part of the Moccasin and consists of even-bedded limestone and siliceous limestone with abundant oval chert nodules in some beds. Thickness is 141 to 154 feet. Unit overlies the unnamed lower member of the Moccasin and underlies the Eggleston limestone. The Hardy Creek is of Middle Ordovician age.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Raised the rank of the Hardy Creek to the Hardy Creek limestone. Unit overlies the Ben Hur limestone and underlies the Eggleston limestone.
Source: GNU records (USGS DDS-6; Reston GNULEX).
The type section of the Hardy Creek limestone is designated in a cut of a spur of the Louisville and Nashville Railroad along headquarters of Hardy Creek near Hagan, Lee Co., VA.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Geographically extended the Hardy Creek Limestone into TN. Consists of olive gray calcilutite in planar beds from 1 inch to 1 foot thick, beds or argillaceous calcilutite near middle, and minor amounts of olive-black, more or less perfectly oval shaped chert nodules. Thickness is 110 feet. Unit overlies the Ben Hur Limestone and underlies the Eggleston Limestone. The Hardy Creek is of Middle Ordovician age.
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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