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National Geologic Map Database
Geologic Unit: Stover
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Map showing publication footprint
  • Usage in publication:
    • Stover member
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Appalachian basin
Publication:

Kay, G.M., 1944, Middle Ordovician of central Pennsylvania: Journal of Geology, v. 52, no. 1, p. 97-116.


Summary:

Named the Stover member of the Benner limestone for Stover station, near Nealmont, Blair Co., south-central PA. Unit is upper member of Benner. Consists of dark, principally dense, heavy ledged limestone. Ledges have thin stylotitic partings and fucoidal mottling. One thick metabentonite bed exposed in several sections. Thickness is 91 feet at type section and decreases southeastward. Overlies Snyder member of Benner and underlies Valley View member of Curtin limestone in northern Centre, Clinton, and Lycoming Cos., and southeastward, disconformably underlies Nealmont limestone. The Stover is of Middle Ordovician age.

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


Map showing publication footprint
  • Usage in publication:
    • Stover limestone
  • Modifications:
    • Areal extent
    • Revised
  • AAPG geologic province:
    • Appalachian basin

Map showing publication footprint
  • Usage in publication:
    • Stover limestone
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Appalachian basin
Publication:

Kay, Marshall, 1956, Ordovician limestones in the western anticlines of the Appalachians in West Virginia and Virginia northeast of the New River: Geological Society of America Bulletin, v. 67, no. 1, p. 55-106.


Summary:

Geographically restricted the Stover limestone from western VA. McGraw limestone proposed for rocks in VA previously called Stover.

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


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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 ([ ]).