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Willcox Playa, Willcox, Cochise Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 9' 24'' North , 109° 54' 11'' West
Latitude & Longitude (decimal): 32.15667,-109.90306
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Other regions containing this locality:Sonoran Desert, North America


‡Ref.: Brown, S.G., Schumann, H.H., Kister, L.R., and Johnson, P.W. (1963) Basic ground-water data of the Willcox Basin, Graham and Cochise Counties, Arizona: Arizona State Land Department Water Resources Report no. 14, 93 p.

Pipkin, B.W. (1967), Mineralogy of the 140-foot core from Willcox Playa, Cochise County, Arizona (abs.), American Association of Petroleum Geologists Bull.: 51: 478.

Peirce, H. Wesley [Moore, R.T. ??] (1969b) Mineral and Water Resources of Arizona: U.S. 90th. Congress, 2nd. Session, Senate Committee on Interior and Insular Affairs 417-424.

Peirce, H. Wesley (1989) Arizona Geological Survey files.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 108, 265, 304, 413.

MRDS database Dep. ID file #10014843, MRDS ID #D011825; and, Dep. ID #10160841, MAS ID #0040030765.

A salt-Br deposit located in sec. 4, T15S, R24E, on federal land.

Mineralization is a lacustrine brine deposit with lake sediments. Water containing 106,000 ppm dissolved solids (Na, Cl, SO4) was documented.

Workings were a 2 meter deep auger hole.

Mineral List

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

6 valid minerals.

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
0 - 0.0117 Ma



ID: 3013246
Holocene surficial deposits

Age: Anthropocene (0 - 0.0117 Ma)

Description: Unconsolidated deposits associated with modern fluvial systems. This unit consists primarily of fine-grained, well-sorted sediment on alluvial plains, but also includes gravelly channel, terrace, and alluvial fan deposits on middle and upper piedmonts. (0-10 ka)

Comments: Associated with modern fluvial systems

Lithology: Major:{silt,clay}, Minor:{gravel,sand}

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

USA

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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