| Deposit ID | 10118217 |
|---|---|
| MAS/MILS ID | 0080470048 |
| Record type | Site |
| Current site name | East Calhoun Mine |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -105.53309, 39.78582 (WGS84) |
| Elevation | 2832 |
Political divisions (FIPS codes)
Gilpin(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Central City(quadrangle 1:24,000 scale)
Denver West(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Clear(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Gilpin |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 003 S | 073 W | 14 | Colorado |
| Commodity | Importance |
|---|---|
| Copper | Tertiary |
| Gold | Tertiary |
| Silver | Tertiary |
| Uranium | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Unknown |
| Galena | Unknown |
| Pyrite | Unknown |
| Sphalerite | Unknown |
| Uraninite | Unknown |
| Ore Body (1) | -105.53309, 39.78582 |
|---|
| Strike | N65E | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 70E | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1902 |
| Year of first production | 1902 |
| District name | Central City |
|---|
| Type of mineral rights | Patented |
|---|
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080470048 |
MINE MAP REPO # 401037
| Subject category | Comment text |
|---|---|
| Deposit | ADDITIONAL INFORMATION FROM DMEA REPORT, DOCKET NO. 1311X, D 1951: AT THE TIME OF THE REPORT, THE CLAIMS WERE CONTROLLED REALTY COMPANY, COLO. THE MINE HAS BEEN AN EARLY GOLD-SILVER DUCER, AS WELL AS URANIUM, AND IS LOCATED IN THE ONLY PITCHB PRODUCING DISTRICT OF ANY CONSEQUENCE IN THE U.S.A., THE QUA HILL AREA. INCLUDED IN THE REPORT ARE CLAIM, MINE AND LOCATI AS WELL AS VERTICAL SECTIONS OF SOME OF THE OLD MINE WORKING PITCHBLENDE OCCURS AS SMALL VEINS, PODS, AND LENSES OF HIGH- ORE IN THE NEARLY VERTICAL MAIN VEINS. THESE VEINS ARE FROM UP TO 2-3 FEET WIDE AND CONSIST OF VEINLETS OF PYRITE AND QU AT THE TIME OF THE REPORT, MINE WORKINGS WERE EXTENSIVE, THO LARGELY INACCESSIBLE. THE DMEA REPORT CONCLUDED ASSISTANCE F PLORATION BE GRANTED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Minecom | U.S. Bureau of Mines | |
| Updater | 19-JUN-0007 | Melton, Greg | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.