Orizaba Mine, Lake St Clair, Fraguas, Pinal County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Orizaba Mine | Mine |
| Lake St Clair | Lake |
| Fraguas | - not defined - |
| Pinal County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
32° 37' 10'' North , 111° 54' 42'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Vaiva Vo | 128 (2011) | 11.0km |
| Chuichu | 269 (2011) | 19.0km |
| Arizona City | 10,475 (2011) | 27.1km |
| Anegam | 151 (2011) | 29.6km |
| Stanfield | 740 (2011) | 29.6km |
A former Ag-Pb-Au-Mo-Cu mine located on 6 claims and a millsite claim (1960's), in the NW¼ (W½NW¼) sec. 25 & 26, T9S, R4E (Silver Reef Mountains 15 minute topo map), in the Lake St. Clair dry lakebed, 2 miles NW of the Jackrabbit Mine. Discovered in 1883. Produced 1885 - 1979.
Mineralization is a 50 foot wide fracture zone at the contact of quartzite and sandstone where limestone is thrust over quartzite. Quartzite dips NE, strikes NW. The south contact is against altered limestone and shale to the NE. The ore zone strikes N and dips 60-75W. Ore control was the red cemented sandstone overlain by shale and limestone. Associated rock units are diorite and hornblendite.
Workings include a deep vertical shaft sunk and mill erected in 1915; shallow pits, stopes, and open cuts. There are several thousand feet of workings. There isd also an old L-shaped pit. The SW winze is 150 by 75 by 75 feet deep (?)(sic). The other winze is 35 feet deep and 75 feet long.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Anglesite Formula: PbSO4 References: |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 References: |
| ⓘ Galena Formula: PbS References: |
| ⓘ 'Limonite' References: |
| ⓘ Sphalerite Formula: ZnS References: |
| ⓘ Vanadinite Formula: Pb5(VO4)3Cl References: |
| ⓘ Wulfenite Formula: Pb(MoO4) References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Anglesite | 7.AD.35 | PbSO4 |
| ⓘ | Wulfenite | 7.GA.05 | Pb(MoO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Vanadinite | 8.BN.05 | Pb5(VO4)3Cl |
| Group 9 - Silicates | |||
| ⓘ | 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 |
| O | Oxygen | |
| O | ⓘ Anglesite | PbSO4 |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Vanadinite | Pb5(VO4)3Cl |
| O | ⓘ Wulfenite | Pb(MoO4) |
| Al | Aluminium | |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | Silicon | |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| S | Sulfur | |
| S | ⓘ Anglesite | PbSO4 |
| S | ⓘ Galena | PbS |
| S | ⓘ Sphalerite | ZnS |
| Cl | Chlorine | |
| Cl | ⓘ Vanadinite | Pb5(VO4)3Cl |
| V | Vanadium | |
| V | ⓘ Vanadinite | Pb5(VO4)3Cl |
| Cu | Copper | |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Mo | Molybdenum | |
| Mo | ⓘ Wulfenite | Pb(MoO4) |
| Pb | Lead | |
| Pb | ⓘ Anglesite | PbSO4 |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Vanadinite | Pb5(VO4)3Cl |
| Pb | ⓘ Wulfenite | Pb(MoO4) |
Other Databases
| Link to USGS MRDS: | 10037122 |
|---|
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
- Southern Basin and RangeWide Rift
USA
- Arizona
- ⭔Tohono O'odham ReservationReservation
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