- Usage in publication:
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- Warrior limestone*
- Modifications:
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- Named
- Dominant lithology:
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- Limestone
- AAPG geologic province:
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- Appalachian basin
Summary:
Named Warrior limestone. Consists of thick- and thin-bedded, blue limestone with thin siliceous shaly layers or shale partings. A few thin quartzite layers and an occasional bed of limestone full of large well-rounded quartz grains occur. Also includes some oolite and CRYPTOZOON. Approximately 250 feet thick. Age is Late Cambrian, based on trilobites. Report includes stratigraphic column.
Type locality is on Warrior Run, along river bluff, 1 mile east of Williamsburg, Blair Co., PA, and on Warrior Creek, east of Warriorsmark in northern Huntingdon Co., PA. Named for Warrior Run, Blair Co., PA.
Source: Modified from GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
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- Warrior formation
- Modifications:
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- Revised
- Age modified
- AAPG geologic province:
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- Appalachian basin
Summary:
Revised to Warrior formation. Consists of mainly dark platy to medium-bedded, fine-grained to aphanitic limestone, generally oolitic and fossiliferous. Approximately 1350 feet thick in Nittany arch, PA. Overlies Pleasant Hill formation; underlies Gatesburg formation. Based of several fossil species, the age of the Warrior is Middle(?) and Late Cambrian.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
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- Warrior Formation
- Modifications:
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- Overview
- AAPG geologic province:
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- Appalachian basin
Summary:
The Warrior Formation in central PA consists of gray, thin- to medium-bedded, fossiliferous, cyclic limestone bearing stromatolites, interbedded with shale, siltstone, and sandstone. Overlies the Pleasant Hill Formation and underlies the Gatesburg Formation.
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 ([ ]).