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Geologic Unit: Sabot
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Map showing publication footprint
  • Usage in publication:
    • Sabot Amphibolite
  • Modifications:
    • Named
  • Dominant lithology:
    • Amphibolite
    • Gneiss
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Poland, F.B., Glover, Lynn, III, and Mose, D.G., 1979, The geology of rocks along the James River between Sabot and Cedar Point, Virginia, IN Glover, Lynn, III, and Tucker, R.D., eds., Virginia Piedmont geology along the James River from Richmond to the Blue Ridge, Field trip 1 OF Glover, Lynn, III, and Read, J.F., eds., Guides to field trips 1-3 for Southeastern Section meeting, Geological Society of America: Virginia Polytechnic Institute and State University, Department of Geological Sciences Guidebook, Geological Society of America, Southeastern Section, p. 11-14.


Summary:

Named for village of Sabot, Goochland Co., central VA. Consists of massive, homogenous amphibolite intercalated with biotite gneiss. Flanks north-northeast-trending antiform occupied by State Farm Gneiss. Structurally overlies State Farm Gneiss; structurally underlies Maidens Gneiss. Age is late Precambrian and (or) Early Cambrian.

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


Map showing publication footprint
  • Usage in publication:
    • Sabot Amphibolite*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Rankin, D.W., 1994, Continental margin of the eastern United States; past and present, IN Speed, R.C., ed., Phanerozoic evolution of North American continent-ocean transitions: Geological Society of America, The Decade of North American Geology (DNAG), Continent-Ocean Transect Series, p. 129-218.


Summary:

Grenvillian [Middle Proterozoic] rocks cropping out in eastern Piedmont of VA in region called Goochland terrane by Horton and others (1989) or Goochland granulite terrane by Farrar (1984). Lithic sequence (ascending) consists of State Farm Gneiss (felsic to intermediate gneisses of both igneous and sedimentary protoliths), Sabot Amphibolite (mafic volcanic protolith), and Maidens Gneiss (heterogeneous unit that is probably metavolcanic and metasedimentary in origin).

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


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 ([ ]).

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