| Deposit ID | 10214415 |
|---|---|
| MAS/MILS ID | 0080130014 |
| Record type | Site |
| Current site name | Caribou Mine (based on DMEA uranium report) |
| Alternate or previous names | Caribou Mine Ores-Metallurgy, Caribou Mine Caribou Mine History |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -105.56979, 39.97329 (WGS84) |
| Elevation | 2957 |
Political divisions (FIPS codes)
Boulder(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Nederland(quadrangle 1:24,000 scale)
Denver West(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
St. Vrain(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Arapaho and Roosevelt National Forests(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Boulder |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 001 S | 073 W | 09 | SWNW | Colorado |
| Commodity | Importance |
|---|---|
| Gold | Tertiary |
| Lead | Tertiary |
| Silver | Tertiary |
| Uranium | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Argentite | Unknown |
| Calcite | Unknown |
| Chalcopyrite | Unknown |
| Gersdorffite | Unknown |
| Hematite | Unknown |
| Monazite | Unknown |
| Proustite | Unknown |
| Pyrite | Unknown |
| Quartz | Unknown |
| Silver | Unknown |
| Sphalerite | Unknown |
| Ore Body (1) | -105.56979, 39.97329 |
|---|
| Strike | N20W | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 70S | ||||||||||||||||||||||||||
| Thickness | 0.1M | ||||||||||||||||||||||||||
| Length | 100M | ||||||||||||||||||||||||||
| Width | 1M | ||||||||||||||||||||||||||
| Area | 1HA | ||||||||||||||||||||||||||
| Depth to top | 16M | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1869 |
| Year of first production | 1869 |
| District name | Grand Island Area |
|---|
| Type of mineral rights | Patented |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Nederland Mines Inc |
| ID | 503599 |
| Home office | Colorado |
| Year | 1917 |
| Type of workings | Underground | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 3585M | ||||||||||||||||||||||||||||||||||
| Overall depth | 335M | ||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080130014 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0503599 |
REF USGS TEM-13A URANIUM DEPOSITS AT THE CARIBOU MINE. QE75T
408176 408177 408173 408178 OWN/ CARIBOU CLAIM GROUP
| Subject category | Comment text |
|---|---|
| Deposit | INFORMATION FROM DMEA REPORT, DOCKET NO. 2336, DATED 1952, A ECONOMIC GEOLOGY AND THE BULLETIN OF THE SOCIETY OF ECONOMIC LOGISTS, VOL. 49, MARCH-APRIL, 1954, NO. 2, PGS. 129-174. AT TIME OF THE DMEA REPORT, THERE HAD BEEN NO PRODUCTION FROM T IN THE FORM OF URANIUM. THE MINE WAS AN EARLY LEAD AND SILVE DUCER. DUE TO AN EXTENSIVE EXPLORATION PROGRAM UNDER CONTRAC THE A.E.C., THE DMEA REPORT CONCLUDED EXPLORATION ASSISTANCE DENIED. THE A.E.C. PROGRAM HAD PRODUCED ONLY NEGATIVE RESULT THE DISCOVERY OF SIGNIFICANT URANIUM DEPOSITS. INCLUDED IN T REPORT IS A MINE WORKINGS MAP. THE ECONOMIC GEOLOGY BULLETIN ED TO ABOVE CONTAINS EXTENSIVE DESCRIPTION ON THE MINERALOGY CARIBOU, COLO., URANINITE DEPOSIT. A COPY OF THE BULLETIN IS BACKUP FILE. |
| General | This record is vastly different from the main record for Caribou Mine (10017083). Kept for interest. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-84 | Nettleton | U.S. Bureau of Mines | |
| Editor | 06-JAN-12 | Wilson, Anna B | U.S. Geological Survey | Record is essentially a duplicate of 10017083, but such different information I kept it. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 08/12/1986 |
|---|---|
| MSHA mine ID | 0503599 |
| Mine name (MSHA) | Caribou Mine |
| Current operator | Nederland Mines Inc |
| Current controller (parent) | Horvath George A |
| Mine type | Underground (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.