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San Diego Mine, Tombstone Extension Mines, Tombstone Mining District, Tombstone Hills, Cochise Co., Arizona, USAi
Regional Level Types
San Diego MineMine
Tombstone Extension MinesGroup of Mines
Tombstone Mining DistrictMining District
Tombstone HillsGroup of Hills
Cochise Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 41' 39'' North , 110° 2' 43'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Tombstone1,312 (2017)2.9km
Whetstone2,617 (2017)27.9km
Saint David1,699 (2011)28.3km
Huachuca City1,755 (2017)28.3km
Sierra Vista43,355 (2017)29.0km


A former small underground Pb-Ag-Au-Cu mine located in East-central sec. 13, T20S, R22E and sec. 18, T20S, R23E, about a ¼ mile SE of the Tombstone Extension Mine, 1½ miles SE of Tombstone, on private land. Owned at times, or in part, by the Woronoco Co., Tombstone Mining Co., and the American Smelting and Refining Co. (ASARCO).

Mineralization is largely oxidized argentiferous galena in vein-like replacements of gougy fault breccia in Cretaceous Bisbee Group beds along a strong fault zone intersected by 'northeast' fissures. The Bisbee beds strike E-W and dip 45-50N in the mine area. The ore zone is 42.67 meters long, 15.24 meters wide, and 1.52 meters thick, with a depth to the bottom of 121.92 meters.

Workings include shafts to a depth of 121.92 meters. Workings on 4 levels. The main shoot north of the shaft was worked on all levels, other workings south of the shaft were on the 3rd and 4th levels only. Some intermittent production occurred in the early 1900's and over 40,000 tons of ore were produced from 1930 through 1954 by the group. Production statistics were included under the Tombstone group.

At the north side of the mine dumps was a small smelting operation which worked some of the ores removed from the mine and the north side of the dump is covered in the slag from this operation.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 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:

Anglesite
Formula: PbSO4
Reference: Rolf Luetcke
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Rolf Luetcke
Calcite
Formula: CaCO3
Reference: Rolf Luetcke
Cerussite
Formula: PbCO3
Reference: Rolf Luetcke
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Reference: Rolf Luetcke
Dolomite
Formula: CaMg(CO3)2
Reference: Rolf Luetcke
Galena
Formula: PbS
Reference: MRDS database Dep. ID file #10027024, MRDS ID #M001737.
Hematite
Formula: Fe2O3
Reference: rolf luetcke
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Rolf Luetcke
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Rolf Luetcke
'Manganese Oxides'
Reference: Rolf Luetcke
'Manganese Oxides var: Manganese Dendrites'
Reference: Rolf Luetcke
Mimetite
Formula: Pb5(AsO4)3Cl
Reference: Rolf Luetcke
Phosphohedyphane
Formula: Ca2Pb3(PO4)3Cl
Reference: Rolf Luetcke
Quartz
Formula: SiO2
Reference: Rolf Luetcke
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: Rolf Luetcke
Wulfenite
Formula: Pb(MoO4)
Reference: Rolf Luetcke

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Group 4 - Oxides and Hydroxides
Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Rosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Mimetite8.BN.05Pb5(AsO4)3Cl
Phosphohedyphane8.BN.05Ca2Pb3(PO4)3Cl
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
'var: Manganese Dendrites'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB8X16
Cryptomelane7.9.1.2K(Mn4+7Mn3+)O16
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Wulfenite48.1.3.1Pb(MoO4)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
'var: Manganese Dendrites'-
Phosphohedyphane-Ca2Pb3(PO4)3Cl

List of minerals for each chemical element

HHydrogen
H HemimorphiteZn4Si2O7(OH)2 · H2O
H Limonite(Fe,O,OH,H2O)
H Rosasite(Cu,Zn)2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C CerussitePbCO3
C Rosasite(Cu,Zn)2(CO3)(OH)2
C DolomiteCaMg(CO3)2
OOxygen
O WulfenitePb(MoO4)
O CalciteCaCO3
O HemimorphiteZn4Si2O7(OH)2 · H2O
O Limonite(Fe,O,OH,H2O)
O CryptomelaneK(Mn74+Mn3+)O16
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O HematiteFe2O3
O QuartzSiO2
O AnglesitePbSO4
O CerussitePbCO3
O PhosphohedyphaneCa2Pb3(PO4)3Cl
O MimetitePb5(AsO4)3Cl
O Rosasite(Cu,Zn)2(CO3)(OH)2
O DolomiteCaMg(CO3)2
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg DolomiteCaMg(CO3)2
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si QuartzSiO2
PPhosphorus
P PhosphohedyphaneCa2Pb3(PO4)3Cl
SSulfur
S GalenaPbS
S AnglesitePbSO4
ClChlorine
Cl PhosphohedyphaneCa2Pb3(PO4)3Cl
Cl MimetitePb5(AsO4)3Cl
KPotassium
K CryptomelaneK(Mn74+Mn3+)O16
CaCalcium
Ca CalciteCaCO3
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca PhosphohedyphaneCa2Pb3(PO4)3Cl
Ca DolomiteCaMg(CO3)2
MnManganese
Mn CryptomelaneK(Mn74+Mn3+)O16
FeIron
Fe Limonite(Fe,O,OH,H2O)
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe HematiteFe2O3
CuCopper
Cu Rosasite(Cu,Zn)2(CO3)(OH)2
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn Rosasite(Cu,Zn)2(CO3)(OH)2
AsArsenic
As MimetitePb5(AsO4)3Cl
MoMolybdenum
Mo WulfenitePb(MoO4)
PbLead
Pb GalenaPbS
Pb WulfenitePb(MoO4)
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb PhosphohedyphaneCa2Pb3(PO4)3Cl
Pb MimetitePb5(AsO4)3Cl

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Church, J.A. (1903) The Tombstone, Arizona, mining district. Transactions of the American Institute of Mining Engineers, 33, 9.
Butler, B.S., Wilson, E.D., and Rasor, C.A. (1938) Geology and ore deposits of the Tombstone district, Arizona. Arizona Bureau of Mines Bulletin 143: 48, 72, 103, Pl. III, X.
Keith, Stanton B. (1973) Index of Mining Properties in Cochise County, Arizona. Arizona Bureau of Mines Bulletin 187: 79.
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10027024, MRDS ID #M001737.

USGS MRDS Record:10027024

Mindat Articles

San Diego Mine, Tombstone Arizona by Rolf Luetcke



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