Dos Cabezas Mining District (Two Heads Mining District), Dos Cabezas Mountains, Cochise County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Dos Cabezas Mining District (Two Heads Mining District) | Mining District |
| Dos Cabezas Mountains | Mountain Range |
| Cochise County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
32° North , 109° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Köppen climate type:
A Au-Ag-Cu-Pb-Zn-Be-W mining area located in T14-15S, R27-28E, G&SRM, on the southern flank of the Dos Cabezas (Two Heads) Mountains in central Cochise County, Arizona. Production from the beginning (about 1878) to 1970 totaled some 2,000 tons of Cu, 700 tons Pb, 19 tons Zn, 430,000 ounces Ag and 10,000 ounces Au.
The formations in this district outcrop in westward-trending belts with Pre-Cambrian granite on the South, succeeded northward by steeply dipping, metamorphosed Cretaceous shales and sandstones and Carboniferous limestones. These rocks are intruded by dikes of rhyolite-porphyry and diabase. The thrust fault zone that separates the Cretaceous strata from the granite contains a vein of coarse-grained white quartz, called the "Big Ledge," that attains a maximum width of 100 feet but locally branches and pinches out.
The gold-bearing veins consist of coarse-textured, white to grayish-white quartz with scattered small bunches and disseminations of sulfides. Gold occurs within the sulfides. The veins occur both in the Cretaceous rocks and associated with diabase dikes in the granite. They are of the mesothermal type, but tend to be of lenticular form, particularly in the shales. Their walls show silicification. The shales adjacent to the veins contain pyrite metacrysts and abundant graphite.
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Rock Types Recorded
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold var. Electrum | 1.AA.05 | (Au,Ag) |
| ⓘ | 1.AA.05 | Au | |
| ⓘ | Native Silver | 1.AA.05 | Ag |
| ⓘ | Graphite | 1.CB.05a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| ⓘ | Bornite | 2.BA.15 | Cu5FeS4 |
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| ⓘ | Uytenbogaardtite | 2.BA.75 | Ag3AuS2 |
| ⓘ | Covellite | 2.CA.05a | CuS |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | var. Gold-bearing Chalcopyrite | 2.CB.10a | CuFeS2 with Au |
| ⓘ | Sternbergite | 2.CB.65 | AgFe2S3 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | var. Silver-bearing Galena | 2.CD.10 | PbS with Ag |
| ⓘ | Pyrite var. Gold-bearing Pyrite | 2.EB.05a | FeS2 |
| ⓘ | 2.EB.05a | FeS2 | |
| ⓘ | Gladite | 2.HB.05a | PbCuBi5S9 |
| ⓘ | Pekoite | 2.HB.05a | PbCuBi11S18 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Opal | 4.DA.10 | SiO2 · nH2O |
| ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| ⓘ | Cerussite | 5.AB.15 | PbCO3 |
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| ⓘ | Bismutite | 5.BE.25 | (BiO)2CO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Anglesite | 7.AD.35 | PbSO4 |
| ⓘ | Jarosite | 7.BC.10 | KFe3+3(SO4)2(OH)6 |
| ⓘ | Chalcanthite | 7.CB.20 | CuSO4 · 5H2O |
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Clinobisvanite | 8.AD.65 | Bi(VO4) |
| ⓘ | Mottramite var. Duhamelite | 8.BH.40 | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| ⓘ | 8.BH.40 | PbCu(VO4)(OH) | |
| Group 9 - Silicates | |||
| ⓘ | Topaz | 9.AF.35 | Al2(SiO4)(F,OH)2 |
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| ⓘ | Pyrophyllite | 9.EC.10 | Al2Si4O10(OH)2 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Nontronite | 9.EC.40 | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Wad' | - | |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| H | ⓘ Chalcanthite | CuSO4 · 5H2O |
| H | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| H | ⓘ Mottramite | PbCu(VO4)(OH) |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| H | ⓘ Opal | SiO2 · nH2O |
| H | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| H | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | ⓘ Bismutite | (BiO)2CO3 |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Cerussite | PbCO3 |
| C | ⓘ Graphite | C |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Anglesite | PbSO4 |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | ⓘ Bismutite | (BiO)2CO3 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Cerussite | PbCO3 |
| O | ⓘ Chalcanthite | CuSO4 · 5H2O |
| O | ⓘ Clinobisvanite | Bi(VO4) |
| O | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Mottramite | PbCu(VO4)(OH) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Pyrolusite | Mn4+O2 |
| O | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Siderite | FeCO3 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| F | Fluorine | |
| F | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Na | Sodium | |
| Na | ⓘ Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Al | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| Al | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | ⓘ Acanthite | Ag2S |
| S | ⓘ Anglesite | PbSO4 |
| S | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| S | ⓘ Bornite | Cu5FeS4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Chalcanthite | CuSO4 · 5H2O |
| S | ⓘ Chalcocite | Cu2S |
| S | ⓘ Covellite | CuS |
| S | ⓘ Galena | PbS |
| S | ⓘ Gladite | PbCuBi5S9 |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| S | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| S | ⓘ Pekoite | PbCuBi11S18 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Sternbergite | AgFe2S3 |
| S | ⓘ Uytenbogaardtite | Ag3AuS2 |
| S | ⓘ Galena var. Silver-bearing Galena | PbS with Ag |
| S | ⓘ Chalcopyrite var. Gold-bearing Chalcopyrite | CuFeS2 with Au |
| K | Potassium | |
| K | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | ⓘ Scheelite | Ca(WO4) |
| V | Vanadium | |
| V | ⓘ Clinobisvanite | Bi(VO4) |
| V | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| V | ⓘ Mottramite | PbCu(VO4)(OH) |
| Mn | Manganese | |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| Fe | ⓘ Bornite | Cu5FeS4 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Siderite | FeCO3 |
| Fe | ⓘ Sternbergite | AgFe2S3 |
| Fe | ⓘ Chalcopyrite var. Gold-bearing Chalcopyrite | CuFeS2 with Au |
| Cu | Copper | |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Cu | ⓘ Bornite | Cu5FeS4 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Chalcanthite | CuSO4 · 5H2O |
| Cu | ⓘ Chalcocite | Cu2S |
| Cu | ⓘ Covellite | CuS |
| Cu | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| Cu | ⓘ Gladite | PbCuBi5S9 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | ⓘ Mottramite | PbCu(VO4)(OH) |
| Cu | ⓘ Pekoite | PbCuBi11S18 |
| Cu | ⓘ Chalcopyrite var. Gold-bearing Chalcopyrite | CuFeS2 with Au |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Ag | Silver | |
| Ag | ⓘ Acanthite | Ag2S |
| Ag | ⓘ Native Gold var. Electrum | (Au,Ag) |
| Ag | ⓘ Native Silver | Ag |
| Ag | ⓘ Sternbergite | AgFe2S3 |
| Ag | ⓘ Uytenbogaardtite | Ag3AuS2 |
| Ag | ⓘ Galena var. Silver-bearing Galena | PbS with Ag |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold var. Electrum | (Au,Ag) |
| Au | ⓘ Native Gold | Au |
| Au | ⓘ Uytenbogaardtite | Ag3AuS2 |
| Au | ⓘ Chalcopyrite var. Gold-bearing Chalcopyrite | CuFeS2 with Au |
| Pb | Lead | |
| Pb | ⓘ Anglesite | PbSO4 |
| Pb | ⓘ Cerussite | PbCO3 |
| Pb | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Gladite | PbCuBi5S9 |
| Pb | ⓘ Mottramite | PbCu(VO4)(OH) |
| Pb | ⓘ Pekoite | PbCuBi11S18 |
| Pb | ⓘ Galena var. Silver-bearing Galena | PbS with Ag |
| Bi | Bismuth | |
| Bi | ⓘ Bismutite | (BiO)2CO3 |
| Bi | ⓘ Clinobisvanite | Bi(VO4) |
| Bi | ⓘ Mottramite var. Duhamelite | (Pb,Bi,Ca)Cu(VO4)(OH,O) |
| Bi | ⓘ Gladite | PbCuBi5S9 |
| Bi | ⓘ Pekoite | PbCuBi11S18 |
Localities in this Region
- Arizona
- Cochise County
- Dos Cabezas Mountains
- Dos Cabezas Mining District (Two Heads Mining District)
- Antelope Mine
- Apache prospect
- Arizona State Land Department leases Nos. 4404-4405
- Bean Canyon
- Comstock Mine
- ⭔Comstock Mine area
- Cottonwood Mine (Apache Pass District)
- Dives Mine (Bear Cave Mine; Porter Mine; Emma Mine; Nettle Mine; Nobbey Mine)
- Dos Cabezas
- Central Copper Co. group
- Dos Cabezas placers
- Dos Cabezas project (Gold Prince Mine; Henry Clay Mine; Pat Price Mine; Bain Mine; Murphy Mine; Basin Mine)
- Dos Cabezas Queen Mine (Dos Cabezas Mine)
- Ewell Spring Mine (Ewell Springs Mine)
- First Chance Mine
- Gold Ridge Mine (Casey Mine; Juniper Mine; Huntsman Mine)
- Honey Dew Mine group (Robinson & Hately groups)
- Howard Mine group
- Dos Cabezas Mining District (Two Heads Mining District)
- Dos Cabezas Mountains
- Cochise County
- Arizona
- Cochise County
- Dos Cabezas Mountains
- Dos Cabezas Mining District (Two Heads Mining District)
- Dos Cabezas
- Galena Chief Mine
- Greenhorn Mine
- Kit Carson Mine (Kit Carson prospect)
- Mascot Canyon
- Mineral Park Mines
- Silver Camp Mine (McGinty Mine; Golden Belle Mine)
- Unnamed adit (USGS Bull. 1676 locality 69)
- Unnamed mine (USGS Bull. 1676 locality 68)
- Unnamed prospect (USGS Bull. 1676 locality 11)
- Unnamed prospect (USGS Bull. 1676 locality 20)
- Unnamed prospect (USGS Bull. 1676 locality 52)
- Unnamed prospect (USGS Bull. 1676 locality 78)
- Unnamed shaft (USGS Bull. 1676 locality 41)
- Unnamed shaft (USGS Bull.1676 locality 76)
- Western Mining Co. Mine
- Dos Cabezas Mining District (Two Heads Mining District)
- Dos Cabezas Mountains
- Cochise County
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mazatzal DomainDomain
- Pedregosa BasinBasin
- Southern Basin and RangeWide Rift
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References
Dos Cabezas Mining District, Dos Cabezas Mountains, Cochise County, Arizona, USA