Pico Mine (George Freeman pit; Esta Bles claims; Sofpa claims; Pico Ace group; Wagnon claims), Lake St Clair, Fraguas, Pinal County, Arizona, USAi
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Latitude & Longitude (WGS84):
32° 37' 24'' North , 111° 54' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Vaiva Vo | 128 (2011) | 10.6km |
| Chuichu | 269 (2011) | 18.8km |
| Arizona City | 10,475 (2011) | 27.1km |
| Stanfield | 740 (2011) | 29.2km |
| Anegam | 151 (2011) | 29.9km |
A former surface and underground Ag-Pb-Mo-Au-silica mine located in sec. 23, T9S, T4E, about 5.5 miles NNW of Prieta Peak on the shore of Lake St Clair, near the Orizaba mine. Produced 1955-1966.
Mineralization is a vein deposit in NE-striking faults. Host rock unit is the Bolsa Quartzite. Orebody(ies) are lens-shaped and approximately 0.61 meters thick. A vein of silver-lead ore occurs in a layer of quartzite 4 feet thick. This vein varies in thickness from a few inches to 2 feet. Ore control was the NE-striking faults.
Workings include a small pit 70 feet in diameter, 20 feet deep; An old shaft was 40 feet deep. Past production of plus 90% silica for copper smelter flux.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Acanthite Formula: Ag2S |
| ⓘ Anglesite Formula: PbSO4 |
| ⓘ Chlorargyrite Formula: AgCl |
| ⓘ Chlorargyrite var. Bromian Chlorargyrite Formula: Ag(Cl,Br) |
| ⓘ Galena Formula: PbS |
| ⓘ Wulfenite Formula: Pb(MoO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 3 - Halides | |||
| ⓘ | Chlorargyrite | 3.AA.15 | AgCl |
| ⓘ | var. Bromian Chlorargyrite | 3.AA.15 | Ag(Cl,Br) |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Anglesite | 7.AD.35 | PbSO4 |
| ⓘ | Wulfenite | 7.GA.05 | Pb(MoO4) |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Anglesite | PbSO4 |
| O | ⓘ Wulfenite | Pb(MoO4) |
| S | Sulfur | |
| S | ⓘ Acanthite | Ag2S |
| S | ⓘ Anglesite | PbSO4 |
| S | ⓘ Galena | PbS |
| Cl | Chlorine | |
| Cl | ⓘ Chlorargyrite | AgCl |
| Cl | ⓘ Chlorargyrite var. Bromian Chlorargyrite | Ag(Cl,Br) |
| Br | Bromine | |
| Br | ⓘ Chlorargyrite var. Bromian Chlorargyrite | Ag(Cl,Br) |
| Mo | Molybdenum | |
| Mo | ⓘ Wulfenite | Pb(MoO4) |
| Ag | Silver | |
| Ag | ⓘ Acanthite | Ag2S |
| Ag | ⓘ Chlorargyrite | AgCl |
| Ag | ⓘ Chlorargyrite var. Bromian Chlorargyrite | Ag(Cl,Br) |
| Pb | Lead | |
| Pb | ⓘ Anglesite | PbSO4 |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Wulfenite | Pb(MoO4) |
Other Databases
| Link to USGS MRDS: | 10046287 |
|---|
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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