Usage:
Toqua Sandstone Member of Blockhouse Shale (TN*)
Toqua Sandstone Member of Blockhouse Shale of Chickamauga Group (TN)
Geologic age:
Late Ordovician (Mohawkian; Turinian)*
Type section, locality, area and/or origin of name:
Type section: Measured section 1.15 miles southeast of Toqua Church, Vonore quadrangle, Monroe Co., TN, near southeast bank of Tellico River, along and near wagon road (Neuman, 1955).
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 ([ ]).