Mark Twain Mine, Hassayampa Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Mark Twain Mine | Mine |
| Hassayampa Mining District | Mining District |
| Bradshaw Mountains (Bradshaw Range) | Mountain Range |
| Yavapai County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
34° 25' 19'' North , 112° 28' 36'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Wilhoit | 868 (2011) | 10.1km |
| Prescott | 41,899 (2017) | 13.1km |
| Mayer | 1,497 (2011) | 22.2km |
| Dewey-Humboldt | 3,894 (2011) | 24.6km |
| Prescott Valley | 42,197 (2017) | 25.6km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Prescott Gem & Mineral Club | Prescott Valley, Arizona | 26km |
| Black Canyon City Rock Club | Black Canyon City, Arizona | 49km |
Other/historical names associated with this locality:
Mark Twain and 86 Patents MS 1724
A former underground Ag-Au-Cu-Pb-Zn-As mine located on a narrow ridge about 2 miles West of Mt. Tritle at 6,500 feet of altitude. Produced 1906-1949. NOTE: Alternate coordinates provided: 34.4639N, 112.3786W.
Mineralization is a vein in granodiorite with a tabular ore body parallel to the Blue Dick vein on the West side. It can be traced for over 1 mile North of the present workings. Vein ore is heavy sulfides in gangue of massive quartz, not drusy, showing strong effects of pressure. Ore control was faulting and shearing. Ore concentration was oxidation at near surface. No alteration noted.
Area structures include dikes and veins parallel to foliation in Precambrian rocks that trends N10E to N10W.
Workings include tunnels on the West side of the ridge.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Ankerite Formula: Ca(Fe2+,Mg)(CO3)2 References: |
| ⓘ Arsenopyrite Formula: FeAsS Description: Occurs as larger aggregates of massive material. References: |
| ⓘ Chalcopyrite Formula: CuFeS2 References: |
| ⓘ Galena Formula: PbS References: |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ Sphalerite Formula: ZnS References: |
| ⓘ 'Tetrahedrite Subgroup' Formula: Cu6(Cu4C2+2)Sb4S12S References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | Oxygen | |
| O | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Mg | Magnesium | |
| Mg | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Ca | Calcium | |
| Ca | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | Iron | |
| Fe | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Sb | Antimony | |
| Sb | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Great Plains DomainDomain
- Southern Basin and RangeWide Rift
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References
Hamilton, Patrick (1881) The Resources of Arizona - A Manual of Reliable Information Concerning the Territory. The Legislature of the Territory of Arizona. p.53
