Pearl Mine (Pearl property; Pearl vein; Monarch group; Dripping Springs property; Cuba Mine; Magoris Mine; Matt Tar property), Signal Peak area, Black Hills, Mammoth Mining District, Pinal County, Arizona, USAi
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Latitude & Longitude (WGS84):
32° 44' 0'' North , 110° 44' 15'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mammoth | 1,487 (2017) | 9.1km |
| Oracle | 3,686 (2011) | 14.0km |
| San Manuel | 3,551 (2011) | 17.9km |
| Saddle Brooke | 9,614 (2017) | 25.5km |
| Dudleyville | 959 (2011) | 26.8km |
A former surface and underground Cu-Pb-Ag-Au-Mo mine located on 21 unpatented claims in the SW¼ sec. 17, T8S, R16E (Mammoth 7.5 minute topo map), about 6¼ miles WNW of Mammoth and about 1.2 miles N of Signal Peak. Produced 1915-1941. Owned by Dripping Springs Mines Corp.; Pearl Mining Co.; and Walter Hughes. Past operators include the Dripping Springs Mines Corp.; Pearl Mining Co.; and M.G. Tarr (1918).
Mineralization is a shear zone/faulting deposit with a tabular ore body hosted in diorite. Oxidized at the surface. Associated rock unit is an unnamed granodiorite and quartz monzonite. The ore body is tabular, strikes N-S and is 5.49 meters wide and 804.65 meters long.
The San Manuel and Mammoth faults run N45°W. The Mammoth fault is 1½ miles NE and the San Manuel fault is 1 mile to the SW. The veins run N to S, with cross fractures running NW-SE across the veins. Cross fractures are about 10 to 15 feet apart. Minor faulting is visible but no large faults were found.
Workings include, besides location shafts, 15 shallow open cuts that are reported to be from 10 to 15 feet long, 5 to 6 feet wide, and from 10 to 12 feet deep.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Cerussite Formula: PbCO3 References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Chalcocite Formula: Cu2S References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| ⓘ Covellite Formula: CuS References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Creaseyite Formula: Pb2Cu2Fe3+2(Si4.67Al0.33)O15.33(OH)3 · H2O References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Fluorite Formula: CaF2 References: Frank KarastiIdentified by Frank Karasti: Visual Identification, Visual (Fluorescence) |
| ⓘ Goethite Formula: Fe3+O(OH) References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Hematite Formula: Fe2O3 References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Mimetite Formula: Pb5(AsO4)3Cl References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Quartz Formula: SiO2 References: Frank KarastiIdentified by Frank Karasti: Visual Identification |
| ⓘ Smithsonite Formula: ZnCO3 References: Frank KarastiIdentified by Frank Karasti: Visual Identification, Visual (Fluorescence) |
| ⓘ Tenorite Formula: CuO |
| ⓘ Wulfenite Formula: Pb(MoO4) |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| ⓘ | Covellite | 2.CA.05a | CuS |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Tenorite | 4.AB.10 | CuO |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Smithsonite | 5.AB.05 | ZnCO3 |
| ⓘ | Cerussite | 5.AB.15 | PbCO3 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Wulfenite | 7.GA.05 | Pb(MoO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Mimetite | 8.BN.05 | Pb5(AsO4)3Cl |
| Group 9 - Silicates | |||
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| ⓘ | Creaseyite | 9.HH.15 | Pb2Cu2Fe3+2(Si4.67Al0.33)O15.33(OH)3 · H2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Cerussite | PbCO3 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | ⓘ Smithsonite | ZnCO3 |
| O | Oxygen | |
| O | ⓘ Cerussite | PbCO3 |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Mimetite | Pb5(AsO4)3Cl |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Smithsonite | ZnCO3 |
| O | ⓘ Tenorite | CuO |
| O | ⓘ Wulfenite | Pb(MoO4) |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Al | Aluminium | |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| Si | Silicon | |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcocite | Cu2S |
| S | ⓘ Covellite | CuS |
| Cl | Chlorine | |
| Cl | ⓘ Mimetite | Pb5(AsO4)3Cl |
| Ca | Calcium | |
| Ca | ⓘ Fluorite | CaF2 |
| Fe | Iron | |
| Fe | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Cu | Copper | |
| Cu | ⓘ Chalcocite | Cu2S |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Covellite | CuS |
| Cu | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | ⓘ Tenorite | CuO |
| Zn | Zinc | |
| Zn | ⓘ Smithsonite | ZnCO3 |
| As | Arsenic | |
| As | ⓘ Mimetite | Pb5(AsO4)3Cl |
| Mo | Molybdenum | |
| Mo | ⓘ Wulfenite | Pb(MoO4) |
| Pb | Lead | |
| Pb | ⓘ Cerussite | PbCO3 |
| Pb | ⓘ Creaseyite | Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O |
| Pb | ⓘ Mimetite | Pb5(AsO4)3Cl |
| Pb | ⓘ Wulfenite | Pb(MoO4) |
Other Databases
| Link to USGS MRDS: | 10048302 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mazatzal DomainDomain
- Southern Basin and RangeWide Rift
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Pearl Mine, Signal Peak area, Black Hills, Mammoth Mining District, Pinal County, Arizona, USA