- Usage in publication:
-
- Bald Rock conglomerate member
- Modifications:
-
- Original reference
- Dominant lithology:
-
- Conglomerate
- AAPG geologic province:
-
- Appalachian basin
Summary:
Pg. 65. Bald Rock conglomerate member of Lee formation. Middle member of Lee formation in Wise County, southwestern Virginia. Thickness 15 to 200 feet; is 70 feet thick at Bald Rock. Underlies Starns coal and overlies Burton Ford coal. Age is Pennsylvanian.
Named from exposures at Bald Rock, in vicinity of Miller Yards, about 4 mi west of Dungannon, [Dungannon 7.5-min quadrangle, TVA 196-SW, 1935 ed., Scott Co.], southwestern VA.
Source: US geologic names lexicons (USGS Bull. 896, p. 105; USGS Bull. 1200, p. 203).
- Usage in publication:
-
- Bald Rock conglomerate member
- Modifications:
-
- Areal extent
- AAPG geologic province:
-
- Appalachian basin
Summary:
Pg. 14. Bald Rock conglomerate member of Lee formation. Middle of three conglomerates in the type Lee; the Bee Rock at top and an unnamed zone at base. Age is Pennsylvanian.
Source: US geologic names lexicon (USGS Bull. 1200, p. 203).
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 ([ ]).