Bunker Hill Mine, McTarnahan Hill, Delaware Mining District, Carson City, Nevada, USAi
| Regional Level Types | |
|---|---|
| Bunker Hill Mine | Mine |
| McTarnahan Hill | Hill |
| Delaware Mining District | Mining District |
| Carson City | City |
| Nevada | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 7' 2'' North , 119° 40' 27'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Johnson Lane | 6,490 (2011) | 8.7km |
| Carson City | 54,521 (2017) | 9.5km |
| Indian Hills | 5,627 (2011) | 10.1km |
| Dayton | 8,964 (2011) | 15.0km |
| Fish Springs | 648 (2017) | 18.3km |
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 |
|---|---|---|
| Great Basin Gem & Mineral Club | Carson City, Nevada | 10km |
| High Desert Rockers | Carson City, Nevada | 10km |
| Comstock Gold Prospectors | Reno, Nevada | 47km |
| Reno Gem and Mineral Society | Reno, Nevada | 47km |
Other/historical names associated with this locality:
Empress Group; NBMG No. 3662
A former Cu-Au-Ag-W occurrence/mine located in the NE¼SW¼SW¼ sec. 31, T15N, R21E, MDM, 1.7 km (1.0 mile) WNW of McTarnahan Hill (coordinates of record) and 1 mile N of the Valley View Mine. The property was discovered and worked during the early part of the Comstock boom. MRDS database stated accuracy for this location is 10 meters.
Mineralization is hosted in Late Jurassic shale, sandstone and limestone. The ore body is a quartz vein at 3.05 meters thick. The vein is flat-lying and is in contact with a highly altered meta-limestone. The vein varied in thickness from 1 to over 10 feet and had a chimney-like configuration. It followed a contact between meta-sediments and quartz porphyry. The vein quartz is crushed, limonite and talc fill the interstitial spaces. Local rocks include shale, sandstone, volcanogenic clastic rocks, andesite, rhyolite, and locally thick carbonate units.
Workings include surface and underground openings comprised of a moderately sized pit, an adit, an incline and prospects. Several old buildings are still usable.
Production data: $160,000 (period values) was reported as production from Au & Cu.
Mineralization is hosted in Late Jurassic shale, sandstone and limestone. The ore body is a quartz vein at 3.05 meters thick. The vein is flat-lying and is in contact with a highly altered meta-limestone. The vein varied in thickness from 1 to over 10 feet and had a chimney-like configuration. It followed a contact between meta-sediments and quartz porphyry. The vein quartz is crushed, limonite and talc fill the interstitial spaces. Local rocks include shale, sandstone, volcanogenic clastic rocks, andesite, rhyolite, and locally thick carbonate units.
Workings include surface and underground openings comprised of a moderately sized pit, an adit, an incline and prospects. Several old buildings are still usable.
Production data: $160,000 (period values) was reported as production from Au & Cu.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Limonite' |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Scheelite | Ca(WO4) |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
Other Databases
| GeoNames ID: | 5500941 |
|---|---|
| Link to USGS MRDS: | 10043769 |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Havallah BasinBasin
- Northern Basin and RangeWide Rift
- Shoofly-Olds Ferry DomainDomain
- West Nevada Permian-Triassic BasinBasin
USA
- Sierra NevadaMountain Range
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