- Usage in publication:
-
- Jupiter Member
- Modifications:
-
- First used
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
First use of the Jupiter Member of the Galeros Formation of the Chuar Group. Age is late Precambrian.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Jupiter Member
- Modifications:
-
- Revised
- Dominant lithology:
-
- Limestone
- Shale
- AAPG geologic province:
-
- Southern Rocky Mountain region
Summary:
Revised as one of four members of Galeros Formation (new) of Chuar Group for exposures below Jupiter Temple in lower part of Chuar Canyon west of Colorado River, Coconino Co, AZ in Southern Rocky Mountain region. Is 1,516 ft thick. Overlies Tanner Member (new) of Galeros. Underlies Carbon Canyon Member (new) of Galeros. Consists of stromatolitic limestones 32 to 42 ft thick at base and gray, gray-green through red-brown to blue-gray shale for the remainder. Some of the blue-gray beds are micaceous and some contain quartzose siltstone beds 2 to 4 in thick that are ripple marked and mud cracked, and have rain drop prints and salt casts. Of late Precambrian age. Geologic map. Corresponds to Walcott's (1899) Divisions 5, 6, and 7 and Hinds (1935) Division 3 and part of Division 2.
Source: GNU records (USGS DDS-6; Denver GNULEX).
- Usage in publication:
-
- Jupiter Member*
- Modifications:
-
- Adopted
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
Jupiter Member of the Galeros Formation of the Chuar Group of Ford and Breed (1973) is adopted as the Jupiter Member of the Galeros Formation of the Chuar Group of the Grand Canyon Supergroup. Age is late Precambrian.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Jupiter Member*
- Modifications:
-
- Age modified
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
Age of the Jupiter Member of the Galeros Formation is modified from late Precambrian to: Proterozoic Y.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Jupiter 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. Is 400 m thick. Age designation of Proterozoic Y changed to Late Proterozoic, the age term applied to rocks younger than 900 Ma and older than 570 Ma. Change in age designation made to Galeros and its Tanner (base), Jupiter, Carbon Canyon, and Duppa Members in the Southern Rocky Mountain region of northern AZ. Columnar section.
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 ([ ]).