U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Whatley Mill Gneiss
  • Modifications:
    • First used
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Sears, J.W., Cook, R.B., Gilbert, O.E., Jr., and and others, 1981, Stratigraphy and structure of the Pine Mountain window in Georgia and Alabama, IN Wigley, P.B., ed., Latest thinking on the stratigraphy of selected areas in Georgia; Volume 1: Georgia Geologic Survey Information Circular, no. 54-A, p. 41-53.


Summary:

Name attributed to unpublished report on Lee Co., AL by Bentley, Neathery, and Scott. In AL, Grenville basement complex includes Whatley Mill Gneiss (distinctive augen gneiss), and Wacoochee Gneiss (a variable schist and gneiss complex). Report includes correlation chart.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Whatley Mill Gneiss
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Raymond, D.E., Osborne, W.E., Copeland, C.W., and Neathery, T.L., 1988, Alabama stratigraphy: Geological Survey of Alabama Circular, no. 140, 97 p.


Summary:

Used as Whatley Mill Gneiss of Wacoochee Complex. Type locality given as an abandoned quarry at Whatley Mill in SE1/4 sec 15, T18N, R26E, Lee Co., east-central AL. Described as medium- to coarse-grained biotite-muscovite gneiss with large (2-in.) potassium-feldspar augen, and with some local microcline and orthoclase augen. Well exposed along tributary to Chewacla Creek in SW1/4 sec 18, T18N, R25E.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Whatley Mill Gneiss*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Steltenpohl, M.G., and Kunk, M.J., 1993, 40Ar/39Ar thermochronology and Alleghanian development of the southernmost Appalachian Piedmont, Alabama and southwest Georgia: Geological Society of America Bulletin, v. 105, no. 6, p. 819-833.


Summary:

Authors follow terminology of Bentley and Neathery (1970) and Raymond and others (1988). Whatley Mill is included in the Wacoochee Complex within the Pine Mountain belt.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Search archives

For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).