- Usage in publication:
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- Carbon Canyon Member
- Modifications:
-
- First used
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
First use of the Carbon Canyon Member of the Galeros Formation of the Chuar Group. Age is late Precambrian.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
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- Carbon Canyon Member
- Modifications:
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- Named
- Dominant lithology:
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- Limestone
- Shale
- Sandstone
- AAPG geologic province:
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- Southern Rocky Mountain region
Summary:
Named as one of four members of Galeros Formation (new) of Chuar Group for exposures on the west fork of Carbon Canyon (its type section), west side of Colorado River, Coconino Co, AZ in the Southern Rocky Mountain region. Forms the interfluve between Chuar and Carbon Canyons. Crops out in heads of Nankoweap and Kwagunt Canyons. Overlies Jupiter Member (new) of Galeros. Underlies Duppa Member (new) of Galeros. Consists of alternation of limestone beds a few ft thick and shale with some sandstone beds also a few ft thick. Base and top placed at base of and top of a limestone bed. Is 1,546 ft thick. Of late Precambrian age. Corresponds to Walcott's (1899) Divisions 2b-2e, 3 and 4 and Hinds (1935) Divisions 4 and 5. Geologic map.
Source: GNU records (USGS DDS-6; Denver GNULEX).
- Usage in publication:
-
- Carbon Canyon Member*
- Modifications:
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- Adopted
- AAPG geologic province:
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- Plateau sedimentary province
Summary:
Carbon Canyon Member of the Galeros Formation of the Chuar Group of the Grand Canyon Supergroup is adopted. Age is late Precambrian.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Carbon Canyon Member*
- Modifications:
-
- Age modified
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
Age of the Carbon Canyon Member of the Galeros Formation is modified from late Precambrian to: Proterozoic Y.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Carbon Canyon Member*
- Modifications:
-
- Age modified
- AAPG geologic province:
-
- Southern Rocky Mountain region
Summary:
Is one of four members of Galeros Formation of Chuar Group of Grand Canyon Supergroup. Age changed from Proterozoic Y to Late Proterozoic, the age term applied to rocks younger than 900 and older than 570 Ma. Change in age designation made to Galeros and its Tanner, Jupiter, Carbon Canyon, and Duppa Members in Southern Rocky Mountain region of northern AZ. Age of Carbon Canyon shown as older than 850 Ma (est). Columnar section. Is 350 m thick.
Source: GNU records (USGS DDS-6; Denver 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 ([ ]).