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State of Maine Mine (Sierra Minerals Management property), Cochise County, Arizona, USAi
Regional Level Types
State of Maine Mine (Sierra Minerals Management property)Mine
Cochise CountyCounty
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 41' 57'' North , 110° 6' 54'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Tombstone1,312 (2017)4.7km
Whetstone2,617 (2017)21.3km
Huachuca City1,755 (2017)22.2km
Sierra Vista43,355 (2017)24.0km
Saint David1,699 (2011)24.6km


A former medium-producing underground Ag-Au-Mn-Cu-Pb occurrence/mine located in West-central sec. 16 & sec. 17, T20S, R22E, G&SRM, 2½ miles S of Tombstone, on private land. Owned at times, or in part, by the State of Maine Mining Company, Grand Central Mining Company and the San Pedro Leasing Company. Operated by the Sierra Minerals Management (1974).

Mineralization is chlorargyrite and gold values in the oxide zone and weak sulfides in narrow stringers in crushed and altered rock in depth along fault fissure zones cutting sill-like Laramide Uncle Sam quartz latite porphyry and Cretaceous Bisbee Group beds. The Bisbee beds are surrounded by Uncle Sam Quartz Porphyry outcrop. The mine is near the contact.

Workings include underground openings comprised of a shaft(s).

Some 30,000 tons of ore were produced during the 1880's and a few hundred tons intermittently since then. The dump is one of the main dumps leached by 71 Minerals in the 1970's.

Note from Rolf Luetcke, 2019 - "When we ran our shop years ago the man who made the silver specimens from Tombstone lived in St. David and his name was Fred Libby. He stopped by our store and had a bunch of the silver specimens for sale. He said they were Tombstone silver. I looked and immediately said they looked lab grown to me. Since Mary knew the family he told me that in fact he was growing those at his place. I asked and he said all he said to people was that it was Tombstone silver since the ores he got to make the silver from did come from Tombstone but all were lab grown. It was only a few years he was selling those and I am sure he went all over the area selling to rock shops and telling people that it was Tombstone silver."

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


15 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Rolf Luetcke
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Rolf Luetcke
Baryte
Formula: BaSO4
Reference: Rolf Luetcke
Calcite
Formula: CaCO3
Reference: Rolf Luetcke
Cerussite
Formula: PbCO3
Reference: Rolf Luetcke
Chlorargyrite
Formula: AgCl
Reference: Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 79 (Table 4); Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 211; Rasor, C.A. (1938), Bromyrite from Tombstone, AZ, Am.Min.: 23: 157-159.
Chlorargyrite var: Bromian Chlorargyrite
Formula: Ag(Cl,Br)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 211; Rasor, C.A. (1938), Bromyrite from Tombstone, AZ, Am.Min.: 23: 157-159.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Rolf Luetcke
Galena
Formula: PbS
Reference: Rolf Luetcke
Hematite
Formula: Fe2O3
Reference: Rolf Luetcke
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Rolf Luetcke
'Manganese Oxides'
Reference: Rolf Luetcke
Pyrite
Formula: FeS2
Reference: Rolf Luetcke
Quartz
Formula: SiO2
Reference: Rolf Luetcke
Silver ?
Formula: Ag
Description: Note from Rolf Luetcke, 2019 - "When we ran our shop years ago the man who made the silver specimens from Tombstone lived in St. David and his name was Fred Libby. He stopped by our store and had a bunch of the silver specimens for sale. He said they were Tombstone silver. I looked and immediately said they looked lab grown to me. Since Mary knew the family he told me that in fact he was growing those at his place. I asked and he said all he said to people was that it was Tombstone silver since the ores he got to make the silver from did come from Tombstone but all were lab grown. It was only a few years he was selling those and I am sure he went all over the area selling to rock shops and telling people that it was Tombstone silver."
Reference: Rolf Luetcke, pers. comm. (See comment on this entry.)
Vanadinite
Formula: Pb5(VO4)3Cl
Reference: Rolf Luetcke
Wulfenite
Formula: Pb(MoO4)
Reference: Rolf Luetcke

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver ?1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
var: Bromian Chlorargyrite3.AA.15Ag(Cl,Br)
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Vanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Unclassified Minerals, Rocks, etc.
'Manganese Oxides'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver ?1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Vanadinite41.8.4.3Pb5(VO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Wulfenite48.1.3.1Pb(MoO4)
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Chlorargyrite
var: Bromian Chlorargyrite
-Ag(Cl,Br)
'Manganese Oxides'-

List of minerals for each chemical element

HHydrogen
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H AzuriteCu3(CO3)2(OH)2
H MalachiteCu2(CO3)(OH)2
CCarbon
C CerussitePbCO3
C CalciteCaCO3
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O AnglesitePbSO4
O WulfenitePb(MoO4)
O VanadinitePb5(VO4)3Cl
O CerussitePbCO3
O HematiteFe2O3
O QuartzSiO2
O CalciteCaCO3
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O MalachiteCu2(CO3)(OH)2
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SiSilicon
Si QuartzSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SSulfur
S GalenaPbS
S AnglesitePbSO4
S PyriteFeS2
S BaryteBaSO4
ClChlorine
Cl ChlorargyriteAgCl
Cl Chlorargyrite (var: Bromian Chlorargyrite)Ag(Cl,Br)
Cl VanadinitePb5(VO4)3Cl
CaCalcium
Ca CalciteCaCO3
VVanadium
V VanadinitePb5(VO4)3Cl
FeIron
Fe HematiteFe2O3
Fe PyriteFeS2
CuCopper
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu AzuriteCu3(CO3)2(OH)2
Cu MalachiteCu2(CO3)(OH)2
BrBromine
Br Chlorargyrite (var: Bromian Chlorargyrite)Ag(Cl,Br)
MoMolybdenum
Mo WulfenitePb(MoO4)
AgSilver
Ag ChlorargyriteAgCl
Ag Chlorargyrite (var: Bromian Chlorargyrite)Ag(Cl,Br)
Ag SilverAg
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS
Pb AnglesitePbSO4
Pb WulfenitePb(MoO4)
Pb VanadinitePb5(VO4)3Cl
Pb CerussitePbCO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Church, J.A. (1903) The Tombstone, Arizona, mining district: American Institute of Mining Engineers, Transactions: 33: 31-32.
Butler, B.S., Wilson, E.D., and Rasor, C.A. (1938b), Geology and ore deposits of the Tombstone district, Arizona, Arizona Bureau of Mines Bulletin 143: 35, 44, 48, 100-101; Pls. III, XXV & XXVI.
Rasor, C.A. (1938), Bromargyrite from Tombstone, Arizona, American Mineralogist: 23: 157-159.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bulletin 187, Index of Mining Properties in Cochise County, Arizona: 79 (Table 4).
Marvin, R.F., Stern, T.W., Creasey, S.C., and Mehnert, H.H. (1973) Radiometric ages of igneous rocks from Pima, Santa Cruz, and Cochise Counties, southeastern Arizona: USGS Bulletin 1379, 27 p.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 211.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10027139.
Arizona Bureau of Mines files.
USGS MRDS ID #M002219.

USGS MRDS Record:10027139

Other Regions, Features and Areas containg this locality

North America
North America PlateTectonic Plate

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