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Santa Fe Mines (Black Hawk; Santa Fe; Lady Alice; Cliff; Lookout and Opera; Arlington; Calumet; Calle De Oro; Hecla), Silver Peak [1], Blackhawk District (Silver Reef District), San Bernardino Mountains, San Bernardino Co., California, USAi
Regional Level Types
Santa Fe Mines (Black Hawk; Santa Fe; Lady Alice; Cliff; Lookout and Opera; Arlington; Calumet; Calle De Oro; Hecla)Group of Mines
Silver Peak [1]Peak
Blackhawk District (Silver Reef District)Mining District
San Bernardino MountainsMountain Range
San Bernardino Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
34° 21' 36'' North , 116° 47' 36'' West
Latitude & Longitude (decimal):
Locality type:
Group of Mines
Nearest Settlements:
PlacePopulationDistance
Big Bear City12,304 (2017)12.0km
Big Bear Lake5,213 (2017)16.8km
Lucerne Valley5,811 (2011)18.5km
Running Springs4,862 (2011)33.6km
Oak Glen638 (2011)37.3km


A former Au-Pb-Cu-Fe occurrence/mine located in sec. 8, T3N, R2E, SBM, 2.9 km (1.8 miles) NEE of Silver Peak [1] (coordinates of record). Located in 1887. Developed by the Black Hawk Mining Company. In 1921, it was operated by the Arlington Mining Company until 1940. MRDS database stated accuracy for this location is 10 meters.

The property consisted of 175 claims and includes workings variously known as Arlington, Black Hawk, Calle del Oro, Calumet, Cliff, Hecla, Lady Alice, Lookout and Opera.

Mineralization is hosted in rocks of the Sidewinder Volcanic series (limestone & granite). The ore body strikes N20E, N80E and dips 5-20SW, 5-20S, at a thickness of 30.48 meters. Controls for ore emplacement are not stated. The richest ore was found as streaks of hematitic gouge at least 100 feet thick. The crushed zone occurs along a thrust fault. Another zone, 75 feet thick, occurs in a limestone breccia, possibly Pleistocene landslide material exposed along the upper part of the W wall of Blackhawk Canyon, known as the Cliff Mine. Furnace (Mississippian [?]) limestone occurs overlying granitic rock. The limestone is brecciated and slightly silicified with hematite streaks running through the mass, that is slightly cemented with calcite, dolomite and irregular grains of quartz. The footwall of the ore zone is granite and the hanging wall is massive limestone. Granitic rock, gneiss, metamorphosed limestone and interbedded sandstone are present. Associated rocks include sandstone. Local rocks include Quaternary large landslide deposits.

Local geologic structures include the Santa Fe Thrust Fault.

Workings include surface and underground openings comprised of adits, a 25-ton ball mill and a cyanide plant located in the bottom of Blackhawk Canyon. The cyanide leaching plant is a 600-ton unit. The workings include open cuts, several hundred feet in length and 9 tunnels 2,500 to 3,000 feet in length. About 1,200 feet of tunnels and raises were driven in the Cliff Mine. More detailed descriptions are found in Tucker, W. Burling & Reid J. Sampson (1943b).

Production data are found in: Wright, L.A., et al (1953) & Goodwin, Joseph Grant (1957).

Production statistics: Year: 1940 (period = 1921-1940): ore (estimate): from 40,000 tons of Au ore; Cu-Pb were recovered as by-products. All ore over $30 (period values) per ton was shipped to the Selby Smelting Company. Ore under $30 was treated in a cyanide plant. High-grade ore in hematite gangue was shipped to Selby in 1934 and 1940. No other production data were found.

Reserve-resource data are available in: Wright, L.A., et al (1953).

Large, low-grade reserves are present.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


4 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035655.
Dolomite
Formula: CaMg(CO3)2
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035655.
Hematite
Formula: Fe2O3
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035655.
Quartz
Formula: SiO2
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035655.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O HematiteFe2O3
O DolomiteCaMg(CO3)2
O QuartzSiO2
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si QuartzSiO2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe HematiteFe2O3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Journal of Mines and Geology, California Division of Mines (Report 39): 39(4): 460-461.
Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): 80.
Goodwin, Joseph Grant (1957) Lead and zinc in California. California Journal of Mines and Geology, Division of Mines (Report 53): 53(3&4): 664-665.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035655 & 10188943.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060710178.

Other Databases

USGS MRDS Record:10035655

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

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