Randolph Mine, Bonanza Mine group (Mellgren group; Chance Mine; Mellgren Mine; Mellgren Mine), Tombstone Mining District, Cochise County, Arizona, USAi
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
31° 41' 26'' North , 110° 6' 45'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Tombstone | 1,312 (2017) | 4.9km |
| Whetstone | 2,617 (2017) | 21.5km |
| Huachuca City | 1,755 (2017) | 22.1km |
| Sierra Vista | 43,355 (2017) | 23.6km |
| Saint David | 1,699 (2011) | 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 |
|---|---|---|
| Huachuca Mineral and Gem Club | Sierra Vista, Arizona | 24km |
| Sunsites Gem and Mineral Club | Pearce, Arizona | 36km |
Mindat Locality ID:
32982
Long-form identifier:
mindat:1:2:32982:9
GUID (UUID V4):
417dfadd-d067-4a26-b447-d3755d12aa5d
Other/historical names associated with this locality:
Randolph claims
A former small underground Ag-Cu-Pb mine located in the SE ¼ sec. 16, T.20S. R.22E, 2.5 miles (ca. 4 km) SW of Tombstone, on private land. Operated at times, or in part, by the Mellgren Group and the Tombstone Silver Fields Co. Operators also included W. Fowler; and Brewster & Farrington.
Mineralization is spotty silver values along an oxidized fissure vein cutting Cretaceous Bisbee Group beds.
Local structures include NE-trending granodiorite dikes in the area. One is located near the shaft.
Workings include a shallow shaft(s). A few hundred tons of ore were produced intermittently from the 1880s to 1917.
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10027040 |
|---|
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North America
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mazatzal DomainDomain
USA
- Arizona
- Cochise County
- Tombstone HillsGroup of Hills
- Cochise County
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.
References
