Martinez, Contra Costa Co., California, USA
Latitude & Longitude (WGS84): | 38° 1' 9'' North , 122° 7' 59'' West |
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Latitude & Longitude (decimal): | 38.01944,-122.13306 |
Köppen climate type: | Csb : Warm-summer Mediterranean climate |
A populated place (city) located on the Carquinez Strait.
Commodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.No minerals currently recorded for this locality.
Regional Geology
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
Holocene - Pliocene 0 - 5.333 Ma ID: 2747012 | Quaternary alluvium and marine deposits Age: Cenozoic (0 - 5.333 Ma) Stratigraphic Name: Temescal Formation; Modesto Formation; Victor Formation; Alameda Formation; Aromas Red Sands; Bautista Beds; Brawley Formation; Borrego Formation; Burnt Canyon Breccia; Cabezon Fanglomerate; Campus Formation; Casitas Formation; Chemehuevi Formation; Corcoran Clay; Cushenbury Springs Formation; Dos Picachos Gravels; Dripping Springs Formation; Frazier Mountain Formation; Friant Formation; Harold Formation; Heights Fanglomerate; Hookton Formation (part); Huichica Formation; La Habra Formation; Manix Lake Beds; Mohawk Lake Beds; Montezuma Formation; Nadeau Gravel; Ocotillo Conglomerate; Orcutt Formation; Pacoima Formation; Pauba Formation; Peckham Formation; Pinto Formation; Resting Springs Formation; Riverbank Formation; Rohnerville Formation; San Dimas Formation; Shoemaker Gravel; Temecula Arkose; Battery Formation; Bay Point Formation; Colma Formation; Lindavista Formation; Lomita Marl; Merritt Sand; Millerton Formation; Palos Verdes Sand; San Pedro Formation; Sweitzer Formation; Timms Point Silt Description: Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast. Lithology: Major:{coarse alluvium}, Minor:{fine alluvium} Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133] |
Holocene 0 - 0.0117 Ma ID: 2592159 | Alluvial fan deposits Age: Anthropocene (0 - 0.0117 Ma) Description: Moderately to poorly sorted and moderately to poorly bedded sand, gravel, silt, and clay deposited where streams emanate from upland regions onto more gently sloping valley floors or plains. Holocene alluvial fan deposits are mostly undissected by later erosion. In places, Holocene deposits may only form a thin layer over Pleistocene and older deposits Reference: Graymer, R.W., D.L. Jones, E.E. Brabb. Geologic Map and Map Database of Northeastern San Francisco Bay Region, California. U.S. Geological Survey Miscellaneous Field Studies Map MF-2403. [92] |
Holocene 0 - 0.0117 Ma ID: 3035782 | Alluvium, undivided Age: Anthropocene (0 - 0.0117 Ma) Description: Alluvium deposited on fans, terraces, or in basins; composed of sand, gravel, silt, and clay that are poorly sorted. Reference: Wagner, D.L., and C.I. Gutierrez. Geologic map of the Napa 30' x 60' quadrangle, California. California Geological Survey. [138] |
Holocene - Pleistocene 0 - 2.588 Ma ID: 2540977 | Surficial deposits, undivided Age: Pleistocene (0 - 2.588 Ma) Description: For more detailed reports of surficial deposits, see Helley and others (1979), Atwater (1982), Herd (1978 a, b), and Borchardt and Seelig (1991). Reference: Graymer, R.W., D.L. Jones, E.E. Brabb. Preliminary geologic map emphasizing bedrock formations in Contra Costa County, California. U.S. Geological Survey Open-File Report 94-622. [86] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License
Localities in this Region
- California
- Contra Costa Co.
- Martinez
- Contra Costa Co.