- Usage in publication:
-
- Meadow Creek trachyte*
- Modifications:
-
- Named
- Dominant lithology:
-
- Trachyte
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
Named for occurrence on north side of Meadow Creek on north side of Oatman-Kingman road, T19N, Rs19 and 20W [location of Creek not shown on geologic map], Mohave Co, AZ, Plateau sedimentary province. No type locality designated. Rests on Flag Spring trachyte (new). Overlain by Sitgreaves tuff (new). Is a trachyte flow [no further description]. Not known south of Meadow Creek. Thickness not stated. Tertiary age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
- Usage in publication:
-
- Meadow Creek Quartz Latite*
- Modifications:
-
- Redescribed
- AAPG geologic province:
-
- Plateau sedimentary province
Summary:
Meadow Creek Trachyte redescribed as Meadow Creek Quartz Latite. Consists of iron-rich, alkalic to subalkalic quartz latite flows, agglomerates, and flow breccias. Resembles Esperanza Quartz Latite. Contains 15 to 25 percent phenocrysts of plagioclase, biotite, and minor hornblende. Has high strontium content. Overlies Cottonwood Formation (redescribed). Unconformably underlies unnamed basalt. Is equivalent to Sitgreaves Tuff. Mapped (geologic maps) with underlying Cottonwood and Sitgreaves in area northeast of Oatman, Mohave Co, AZ in the Plateau sedimentary province. Chemical analyses. Of Miocene age.
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 ([ ]).