- Usage in publication:
-
- Monte Cristo diorite*
- Modifications:
-
- Named
- Dominant lithology:
-
- Diorite
- AAPG geologic province:
-
- Alaska Southern region
Summary:
Named for exposure on Monte Cristo Creek, western tributary of Nabesna, upper Tanana River region, southern AK. Exposed for about 4 mi along middle course of Monte Cristo Creek and at California Gulch and Orange Hill, on east side of Nabesna near glacier, as well as on Mionda and Bond Creeks. Is medium- to coarse-grained granitoid belonging to diorite family. Age is probably pre-Permian(?) on basis of stratigraphic relations.
Source: GNU records (USGS DDS-6; Menlo 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 ([ ]).