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Cemitosa Wash, Kofa Game Range, Alamo Springs District, Kofa Mts (S.H. Mts), Yuma Co., Arizona, USAi
Regional Level Types
Cemitosa WashWash
Kofa Game RangeMountain Range
Alamo Springs DistrictMining District
Kofa Mts (S.H. Mts)Mountain Range
Yuma Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84): 33° 18' 40'' North , 113° 40' 18'' West
Latitude & Longitude (decimal): 33.31115,-113.67187
GeoHash:G#: 9mzjt24et
Locality type:Wash
Köppen climate type:BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Brenda676 (2011)48.1km
Vicksburg597 (2011)48.7km


No description has been added for this locality. Can you add one?

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

2 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Description: Occurs as veins to 1 foot (0.3 meters) wide.
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 116 (Table 4); Wilson, E.D. (1933), AZ Bur. of Mines Bull. 134: 118-119.
Gold
Formula: Au
Description: As finely divided free gold in fractures & breccia with gouge, calcite & oxides.
Reference: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 116 (Table 4); Jones, E.L., Jr. (1915), A Reconnaissance in the Kofa Mountains, Arizona, USGS Bull. 620: 163; Wilson, E.D. (1933), AZ Bur. of Mines Bull. 134: 118-119.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
CaCalcium
Ca CalciteCaCO3
AuGold
Au GoldAu

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

Quaternary - Miocene
0 - 23.03 Ma



ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Tortonian - Bartonian
7.246 - 41.3 Ma



ID: 2939106
Middle Miocene to Oligocene volcanic rocks

Age: Cenozoic (7.246 - 41.3 Ma)

Stratigraphic Name: Peach Springs Tuff; Apache Leap Tuff

Description: Lava, tuff, fine-grained intrusive rock, and diverse pyroclastic rocks. These compositionally variable volcanic rocks include basalt, andesite, dacite, and rhyolite. Thick felsic volcanic sequences form prominent cliffs and range fronts in the Black (Mohave County), Superstition, Kofa, Eagletail, Galiuro, and Chiricahua Mountains. This unit includes regionally extensive ash-flow tuffs, such as the Peach Springs tuff of northwestern Arizona and the Apache Leap tuff east of Phoenix. Most volcanic rocks are 20-30 Ma in southeastern Arizona and 15 to 25 Ma in central and western Arizona, but this unit includes some late Eocene rocks near the New Mexico border in east-central Arizona. (11-38 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{basalt,andesite,dacite}, Minor:{rhyolite}

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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

Localities in this Region
Show map

  • Arizona
    • Yuma Co.
      • Kofa Mts (S.H. Mts)

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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