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Galvez Mine (Wolcott Mine), Tombstone District, Tombstone Hills, Cochise Co., Arizona, USAi
Regional Level Types
Galvez Mine (Wolcott Mine)Mine
Tombstone DistrictMining District
Tombstone HillsGroup of Hills
Cochise Co.County
ArizonaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 31° 40' 27'' North , 110° 5' 26'' West
Latitude & Longitude (decimal): 31.67417,-110.09056
GeoHash:G#: 9t9sny4e2
USGS MRDS Record:10046264
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Tombstone1,312 (2017)4.8km
Huachuca City1,755 (2017)23.6km
Whetstone2,617 (2017)23.8km
Sierra Vista43,355 (2017)24.2km
Sierra Vista Southeast14,797 (2011)27.2km


A former small underground Pb-Cu-Ag-Au occurrence/mine located in the SW¼ sec. 22, T20S, R22E, approximately 3 miles SW of Tombstone, on private land. Operated by Mr. F. N. Wolcott.

Mineralization is oxidized base metal sulfides in fault zones cutting Pennsylvanian-Permian Naco Group limestone and Cretaceous Bisbee Group beds.

Local structures include the west edge of the block of faulted Naco Limestone surrounded by Bisbee Group on the west and south. The Naco beds strike N-S and dip 15E.

Workings include a shaft(s). About 695 tons of ore were produced in 1911.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

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


11 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Rolf Luetcke
Baryte
Formula: BaSO4
Reference: Rolf Luetcke
Calcite
Formula: CaCO3
Reference: Rolf Luetcke
Hematite
Formula: Fe2O3
Reference: Rolf Luetcke
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Rolf Luetcke
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Rolf Luetcke
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Rolf Luetcke
'Psilomelane'
Reference: Rolf Luetcke
Pyrite
Formula: FeS2
Reference: Field collected, 3/11/2019
Pyrolusite
Formula: Mn4+O2
Reference: Rolf Luetcke
Quartz
Formula: SiO2
Reference: Rolf Luetcke
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: Self collected at Galvez mine dump

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Rosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Unclassified Minerals, Rocks, etc.
'Psilomelane'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Rosasite16a.3.1.2(Cu,Zn)2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
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 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Psilomelane'-

List of minerals for each chemical element

HHydrogen
H JarositeKFe3+ 3(SO4)2(OH)6
H MalachiteCu2(CO3)(OH)2
H HemimorphiteZn4Si2O7(OH)2 · H2O
H Rosasite(Cu,Zn)2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
C Rosasite(Cu,Zn)2(CO3)(OH)2
OOxygen
O JarositeKFe3+ 3(SO4)2(OH)6
O QuartzSiO2
O CalciteCaCO3
O HematiteFe2O3
O MalachiteCu2(CO3)(OH)2
O PyrolusiteMn4+O2
O BaryteBaSO4
O AnglesitePbSO4
O HemimorphiteZn4Si2O7(OH)2 · H2O
O Rosasite(Cu,Zn)2(CO3)(OH)2
SiSilicon
Si QuartzSiO2
Si HemimorphiteZn4Si2O7(OH)2 · H2O
SSulfur
S JarositeKFe3+ 3(SO4)2(OH)6
S BaryteBaSO4
S AnglesitePbSO4
S PyriteFeS2
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca CalciteCaCO3
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe HematiteFe2O3
Fe PyriteFeS2
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu Rosasite(Cu,Zn)2(CO3)(OH)2
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn Rosasite(Cu,Zn)2(CO3)(OH)2
BaBarium
Ba BaryteBaSO4
PbLead
Pb AnglesitePbSO4

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

Cretaceous
66 - 145 Ma



ID: 3187054
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Campanian - Oxfordian
72.1 - 163.5 Ma



ID: 2946362
Cretaceous to Late Jurassic sedimentary rocks with minor volcanic rocks

Age: Mesozoic (72.1 - 163.5 Ma)

Stratigraphic Name: Temporal Formation; Bathtub Formation; Sand Wells Formation; Fort Crittenden Formation; McCoy Mountains Formation

Description: Sandstone and conglomerate, rarely forms prominent outcrops; massive conglomerate is typical near base of unit and locally in upper part. These deposits are nonmarine except in southeastern Arizona, where prominent gray marine limestone (Mural Limestone) forms the middle of the Bisbee Group. Sandstones are typically medium-bedded, drab brown, lithic-feldspathic arenites. Includes Bisbee Group (largely Early Cretaceous) and related rocks, Temporal, Bathtub, and Sand Wells formations, rocks of Gu Achi, McCoy Mountains Formation, and Upper Cretaceous Fort Crittenden Formation and equivalent rocks. (80-160 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{arenite,conglomerate}, Minor:{limestone}

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Gilluly, James (1956) General geology of central Cochise County, Arizona, with sections on age and correlation, by A.R. Palmer, J.S. Williamson, and J.B. Reeside, Jr.: USGS Professional Paper 281, 169 p., 13 sheets, scale 1:62,500.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bulletin 187, Index of Mining Properties in Cochise County, Arizona: 76.
U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS), U.S. Bureau of Mines, file ID #0040030612.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10046264, MRDS ID #M241143; and #10135494.
Arizona Bureau of Mines files.


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