Ontario-Key West-Boss-Gold Flake-Fair Fountain-Bondholder Mine group, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USAi
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
39° 29' 15'' North , 105° 57' 37'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Breckenridge | 4,896 (2017) | 6.7km |
| Blue River | 904 (2017) | 9.6km |
| Keystone | 1,079 (2011) | 12.6km |
| Frisco | 3,035 (2017) | 15.2km |
| Copper Mountain | 385 (2011) | 15.7km |
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 |
|---|---|---|
| Colorado Gold Camp | Frisco, Colorado | 15km |
Former Ag-Zn-Pb-Au occurrences/mine group located in sec. 35, T6S, R77W, 6th PM, on Humbug and Farncomb Hills. MRDS database stated accuracy for this location is 250 meters.
Local rocks include the Cretaceous Pierre Shale.
Workings include underground openings comprised of several adits and shafts (Bondholder Mine: adit; Boss Mine: adit; Fair Mine: adit; Fountain Mine: shaft; Gold Flake Mine: adit; Key West Mine: adit; Ontario Mine: shaft).
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
2 valid minerals.
Detailed Mineral List:
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ Gold Formula: Au Description: Pseudomorph after sylvanite |
| ⓘ 'Limonite' |
| ⓘ 'Wad' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Wad' | - | |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10018292 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Plains DomainDomain
- Middle Park BasinBasin
- Southern Rocky MountainsOrogenic Belt
USA
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
