Weldon Mine, Ben Nevis Mountain, Quijotoa Mining District, Quijotoa Mountains, Pima County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Weldon Mine | Mine |
| Ben Nevis Mountain | Mountain |
| Quijotoa Mining District | Mining District |
| Quijotoa Mountains | Mountain Range |
| Pima County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
32° 3' 47'' North , 112° 9' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Maish Vaya | 158 (2011) | 11.7km |
| Pisinemo | 321 (2011) | 16.4km |
| Gu Oidak | 188 (2011) | 18.7km |
| Wahak Hotrontk | 114 (2011) | 24.3km |
| Sells | 2,495 (2011) | 30.4km |
A former small underground Au-Ag-Pb-Cu-Zn mine located in East-central sec. 3, T16S, R2E, G&SRM (protracted), 7 miles SW of the Quijotoa Trading Post. Produced 1890-1910. Owned by the Weldon Gold & Copper Co.
Mineralization is spotty free gold and silver chlorides with minor, largely oxidized, base metal sulfides in pockety lenses of quartz, hematite, manganese oxides, breccia, and gouge along a fault contact zone between Laramide andesitic volcanics and a granitic intrusion.
Workings include shaft and tunnel operations. prospected and worked intermittently since the 1880's to the early 1900's. Estimated production could be some 2,500 tons of ore containing about 1 oz./ton each of Au & Ag and minor Cu & Pb.
Mineralization is spotty free gold and silver chlorides with minor, largely oxidized, base metal sulfides in pockety lenses of quartz, hematite, manganese oxides, breccia, and gouge along a fault contact zone between Laramide andesitic volcanics and a granitic intrusion.
Workings include shaft and tunnel operations. prospected and worked intermittently since the 1880's to the early 1900's. Estimated production could be some 2,500 tons of ore containing about 1 oz./ton each of Au & Ag and minor Cu & Pb.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
10 valid minerals.
Detailed Mineral List:
| ⓘ Anglesite Formula: PbSO4 References: |
| ⓘ Baryte Formula: BaSO4 Habit: Rosette-shaped aggregates to 15 cm Colour: Pink References: |
| ⓘ Chlorargyrite Formula: AgCl |
| ⓘ Fluorite Formula: CaF2 |
| ⓘ Galena Formula: PbS References: |
| ⓘ Goethite Formula: Fe3+O(OH) References: |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Litharge Formula: PbO References: |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 3 - Halides | |||
| ⓘ | Chlorargyrite | 3.AA.15 | AgCl |
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Litharge | 4.AC.20 | PbO |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Anglesite | 7.AD.35 | PbSO4 |
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| O | Oxygen | |
| O | ⓘ Anglesite | PbSO4 |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Litharge | PbO |
| O | ⓘ Quartz | SiO2 |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Anglesite | PbSO4 |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Galena | PbS |
| Cl | Chlorine | |
| Cl | ⓘ Chlorargyrite | AgCl |
| Ca | Calcium | |
| Ca | ⓘ Fluorite | CaF2 |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Ag | Silver | |
| Ag | ⓘ Chlorargyrite | AgCl |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Anglesite | PbSO4 |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Litharge | PbO |
Other Databases
| Link to USGS MRDS: | 10026740 |
|---|
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
USA
- Arizona
- ⭔Tohono O'odham Nation ReservationReservation
- ⭔Tohono O'odham ReservationReservation
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0040190442
Stevens, H.J. (1907) The Copper Handbook Vol. 7 - A Manual of the Copper Industry of the World. Horace J. Stevens. 1228pp.
Weldon Mine, Ben Nevis Mountain, Quijotoa Mining District, Quijotoa Mountains, Pima County, Arizona, USA