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Geologic Unit: Hitz
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Map showing publication footprint
  • Usage in publication:
    • Hitz bed
  • Modifications:
    • Named
  • Dominant lithology:
    • Shale
    • Limestone
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Foerste, A.F., 1903, The Richmond group along the western side of the Cincinnati anticline in Indiana and Kentucky: American Geologist, v. 31, p. 333-361.


Summary:

Named Hitz bed for Hitz Hill near Madison, Jefferson Co, IN. Composed of several feet of fossiliferous clay and fine grained, dense bluish limestone. Previously known as the MURCHISONIA HAMMELLI bed.

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


Map showing publication footprint
  • Usage in publication:
    • Hitz member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Butts, Charles, 1915, Geology and mineral resources of Jefferson County, Kentucky: Kentucky Geological Survey [Report], 4th series, v. 3, pt. 2, 270 p.


Summary:

Hitz designated a member and assigned to the Saluda limestone. Occurs at top of Saluda. Where present, about 5 to 6 ft thick. Composed of dense, fine-grained dark-gray limestone in layers 6 in. to 1 ft thick.

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


Map showing publication footprint
  • Usage in publication:
    • Hitz Limestone Bed*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Kepferle, R.C., 1976, Geologic map of the Fisherville quadrangle, north-central Kentucky: U.S. Geological Survey Geologic Quadrangle Map, GQ-1321, 1 sheet, scale 1:24,000 [http://ngmdb.usgs.gov/Prodesc/proddesc_10856.htm]


Summary:

Hitz limestone member reduced in rank to Hitz Limestone Bed of Saluda Dolomite Member of Drakes Formation. Composed of limestone, dolomite, and shale; 0-7 ft thick. Occurs at top of Saluda; unconformably overlain by Brassfield Formation. Age is Late Ordovician.

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


Map showing publication footprint
  • Usage in publication:
    • Hitz Limestone Member*
  • Modifications:
    • Overview
    • Age modified
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Frey, R.C., 1995, Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati arch region of Kentucky, Indiana, and Ohio, IN Pojeta, John, Jr., ed., Contributions to the Ordovician paleontology of Kentucky and nearby states: U.S. Geological Survey Professional Paper, 1066-P, p. P1-P126.


Summary:

Used as Hitz Limestone Member of Saluda Formation in Indiana, and as Hitz Limestone Bed of Saluda Dolomite Member of Drakes Formation in Kentucky. Age refined to Cincinnatian (Richmondian).

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 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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