U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Unit: Ivanhoe
Search archives
Map showing publication footprint
  • Usage in publication:
    • Ivanhoe limestone member*
  • Modifications:
    • First used
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Appalachian basin
    • Piedmont-Blue Ridge province
Publication:

Butts, Charles, 1933, Geologic map of the Appalachian Valley of Virginia with explanatory text: Virginia Geological Survey Bulletin, no. 42, 56 p.


Summary:

Mentions in text a thick limestone at the top of the Shady dolomite in the vicinity of Ivanhoe, Wythe Co., VA and calls it the Ivanhoe limestone member. This name was adopted from an unpublished manuscript by L.W. Currier.

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


Map showing publication footprint
  • Usage in publication:
    • Ivanhoe limestone member
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Appalachian basin
    • Piedmont-Blue Ridge province
Publication:

Currier, L.W., 1935, Zinc and lead region of southwestern Virginia: Virginia Geological Survey Bulletin, no. 43, 122 p.


Summary:

Named for exposures at and around Ivanhoe, Wythe Co., VA. Restricted as a recognizable unit in southwestern VA between Huddle and Galena, VA in Wythe Co. area. Unit is a thick body of limestone above saccharoidal dolomite member of Shady. This limestone body increases thickness of Shady by 500 feet. It is apparently a lenticular bed traceable for no more than 9 miles east and west of Ivanhoe. Composed of thick, massive beds of dense gray limestone containing a few relatively thin beds of light-gray to white dolomite, saccharoidal in part, and very thin reddish sandy and argillaceous partings. Shown on geologic section as Lower Cambrian; thickness 0 to 500 feet.

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


Map showing publication footprint
  • Usage in publication:
    • Ivanhoe limestone member*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Appalachian basin
Publication:

Stose, G.W., and Jonas, A.I., 1939, A southeastern limestone facies of the Lower Cambrian dolomite in Wythe and Carroll Counties, Virginia: Virginia Geological Survey Bulletin, no. 51-A, 30 p.


Summary:

Included Ivanhoe limestone member in lower part of the Rome formation (previously uppermost member of Shady dolomite). They believed this well bedded, fine-grained limestone and dolomite with thin reddish sandy and argillaceous partings resembled Rome more so than the underlying, massive Shady.

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


Map showing publication footprint
  • Usage in publication:
    • Ivanhoe Member*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Appalachian basin
Publication:

Reinhardt, Juergen, 1977, Cambrian off-shelf sedimentation, central Appalachians, IN Cook, H.E., and Enos, P., eds., Deep-water carbonate environments: Society of Economic Paleontologists and Mineralogists Special Publication, Symposium, Dallas, TX, April 8-9, 1975, no. 25, p. 82-112.


Summary:

Reassigned Ivanhoe Member from the Rome Formation to the Shady Dolomite, citing Pfeil and Read (1976, Reefal carbonates and associated lithologies, Cambrian Shady Dolomite, Austinville region, VA: GSA Abstracts w/ Programs, vol. 8, p. 244). This change is reflected on Table 1 and figure 8.

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 ([ ]).