Red Cross Mine (Norton Mine), Barry M. Goldwater Air Force Range, Mohawk Mining District, Mohawk Mountains, Yuma County, Arizona, USAi
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Latitude & Longitude (WGS84):
32° 40' 14'' North , 113° 41' 49'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
A former surface and underground Pb-Ag-Fe-Cu-Au mine located in West-central sec. 2, T9S, R14W (Mohawk Mts NW 7.5 minute topo map), eastern foot of the Mohawk Mountains, about 5½ miles from Mohawk station, on a military reservation. Owned at times, or in part, by Mr. G.W. Norton; and, Zappia.
Regional rocks are schist that strikes prevailingly N.25ºE. & dips 20ºSE and is locally displaced by faulting. It is cut by an irregular dike of white, fine-grained granite porphyry with a maximum with of 3 feet (0.91 meter) and shows many small spots of iron stain. A curving fault zone that, near its NW end, strikes N.65ºW. and dips from 60º to 80ºSW, contains the vein.
Mineralization is spotty, high-grade, argentiferous lead ores with veinlets of oxidized copper and calcite in a lensing quartz vein with limonite, breccia and gouge, in a fault zone in Mesozoic schist. Iron oxides, and irregular bodies of gypsum and copper stained calcite. Strong seritization and silicification of the wall rocks.
Workings include 5 or 6 shallow shafts and several open cut operations. This mine was worked sporadically from about 1910 to 1941. It produced some 60 tons (one car) of ore averaging about 300 oz. Ag/T, 8% lead and minor copper and gold, worth $10,000 (period values).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 Description: Veinlets cutting the ore vein; also as copper-stained material with gypsum. |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 Description: Veinlets cutting the ore vein. |
| ⓘ Gypsum Formula: CaSO4 · 2H2O Description: Irregular bodies with crystalline, copper-stained calcite. |
| ⓘ 'Limonite' |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 Description: Veinlets cutting the ore vein. |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Description: Occurs in abundance in altered vein wall rocks. |
| ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 Description: Occurs in abundance in altered vein wall rocks. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 9 - Silicates | |||
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| S | Sulfur | |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
| Cu | Copper | |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10027164 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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