Usage:
No current usage?
(†Grasselli Dolomite (TN) considered abandoned? Uncertain if used by the TN Geol. Survey. Abandoned by the USGS.)
Geologic age:
Ordovician
Type section, locality, area and/or origin of name:
Grasselli Mine, New Market, about 14 mi northeast of Mascot, in Jefferson Co., TN. Named from its prominent position in ore section of mine (Oder and Miller, 1945).
AAPG geologic province:
Appalachian basin
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).