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Unknown No. 2 claim, Cochise County, Arizona, USAi
Regional Level Types
Unknown No. 2 claim- not defined -
Cochise CountyCounty
ArizonaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
31° 25' 54'' North , 109° 54' 41'' West
Latitude & Longitude (decimal):
31.43194,-109.91139
GeoHash:
G#: 9t9fffhbr
GRN:
N21W68
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Bisbee5,208 (2017)2.4km
Naco1,046 (2011)11.3km
Naco6,064 (2018)12.1km
Palominas212 (2011)20.5km
Miracle Valley644 (2011)23.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Huachuca Mineral and Gem ClubSierra Vista, Arizona40km


A former small surface Mn mine located in South-central sec. 16, T.23S., R.24E, approximately 1 mile W of Lowell. Owned at times, or in part, by the Calumet & Arizona Mining Co. and the Phelps Dodge Corp.

Mineralization is disconnected bodies of hard manganese oxides and manganiferous calcite along fissure zones cutting Pennsylvanian-Permian Naco Group limestone.

Workings are surface openings. Three open cuts and a short adit. The largest open cut was about 150 feet long, 5 to 8 feet wide and 10 feet deep. Drifts run 20 feet south and 16 feet north on the second open cut, which was 15 feet deep and 50 feet long. 2 to 4 feet of manganese mineralization is exposed in the faces of the drifts. A few hundred tons of manganese oxide were produced in 1917-1918.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
Reference: Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 90 (Table 4); Farnham, et al (1961): 20-21.
ⓘ Calcite var. Manganese-bearing Calcite
Formula: (Ca,Mn)CO3
Reference: Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 90 (Table 4); Farnham, et al (1961): 20-21.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘvar. Manganese-bearing Calcite5.AB.05(Ca,Mn)CO3

List of minerals for each chemical element

CCarbon
Cⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Oⓘ CalciteCaCO3
CaCalcium
Caⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Caⓘ CalciteCaCO3
MnManganese
Mnⓘ Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 20-21.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 90 (Table 4).
MRDS database Dep. ID file #10104072, MRDS ID #M241103; and, Dep. ID #10258246, MAS ID #0040030344.

Other Databases

Link to USGS MRDS:10104072

Other Regions, Features and Areas containing this locality

Mexico
North America
North America PlateTectonic Plate
USA

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