| Deposit ID | 60000378 |
|---|---|
| MRDS ID | D010861 |
| Record type | District |
| Current site name | La Plata District |
| Alternate or previous names | California District |
| Geographic coordinates: | -108.0636, 37.3994 (WGS84) |
|---|---|
| Relative position | (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). DISTRICT SITUATED IN LA PLATA MTNS, STRADDLING LA PLATA AND MONTEZUMA COUNTY LINE NW OF DURANGO, CENTERED ON UPPER LA PLATA RIVER AND TRIBUTARIES AND INCLUDING UPPER JUNCTION CREEK AND UPPER LIGHTNER CREEK DRAINAGES ON EAST, BEAR CREEK ON NW, AND UPPER WEST MANCOS, MIDDLE MANCOS, AND EAST MANCOS RIVERS ON WEST. TOWNSITE OF LA PLATA AND MAYDAY (PARROTT CITY) LOCATED ON LA PLATA RIVER. PRINCIPAL PEAKS INCLUDE BANDED MTN, HESPERUS, HELMET, AND JACKSON RIDGE (MONTEZUMA COUNTY); MADDEN, GIBBS, BURWELL, SPILLER, MT MOSS, DIORITE, AND INDIAN TRAIL RIDGE (ON MONTEZUMA-LA PLATA COUNTY LINE); PARRATT, BABCOCK, SILVER MTN, OHLWILER RIDGE, LEWIS MTN, AND CUMBERLAND (LA PLATA COUNTY). DISTRICT ACCESSIBLE VIA ROAD UP LA PLATA RIVER NORTH FROM HESPERUS, VIA ROADS UP JUNCTION AND LIGHTNER CREEKS NW FROM DURANGO, VIA ROADS UP MANCOS RIVERS NE FROM MANCOS, AND VIA COLORADO ROUTE 145 ALONG DOLORES RIVER TO TRAIL UP BEAR CREEK. DISTRICT EXTENDS ONTO HESPERUS (1963), MONUMENT HILL (1963), RAMPART HILLS (1963), AND WALLACE RANCH (1963) QUADS AND INCLUDES PORTIONS OF ADJACENT TOWNSHIPS: T36N, R10W (SECS. 05 06), T37N, 412W (SECS. 23 24), AND T38N, R12W (SECS. 04 14). MONTEZ |
Political divisions (FIPS codes)
La Plata(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
La Plata(quadrangle 1:24,000 scale)
Cortez(quadrangle 1:100,000 scale)
Cortez(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle San Juan(hydrologic unit)
Upper San Juan(hydrologic accounting unit)
San Juan(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
San Juan National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Montezuma |
| United States | Colorado | La Plata |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Lead | Primary |
| Copper | Primary |
| Zinc Critical | Secondary |
| Uranium | Secondary |
| Vanadium Critical | Secondary |
| Mercury | Secondary |
| Tellurium Critical | Tertiary |
| PGE Critical | Tertiary |
| Iron | Tertiary |
| (1) | -108.0636, 37.3994 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | LA PLATA DOME, MAYDAY-IDAHO FAULT SYSTEM, PARROTT FAULT SYSTEM |
| Type of structure | Regional |
| Structure description | SAN JUAN UPLIFT, FOUR CORNERS PLATFORM |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | Yes |
| Discovery year | 1700 |
| Year of first production | 1873 |
| Year of last production | 1980 |
| District name | CALIFORNIA DISTRICT |
|---|---|
| District name | LA PLATA DISTRICT |
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219.
CROSS, WHITMAN, AND OTHERS, 1899, DESCRIPTION OF THE LA PLATA QUADRANGLE: USGS FOLIO 60.
ECKEL, E.B., 1938, COPPER ORES OF THE LA PLATA DISTRICT, COLORADO, AND THEIR PLATINUM CONTENT: COLORADO SCI. SOC. PROC., V. 12, NO. 12, P. 647-664.
PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 4, P. 194-197.
HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM IC-7918, P. 48, 51-52.
COLORADO DIV. MINES ONF. REPTS. AND ANNUAL OPERATOR REPTS.
UNPUBLISHED ENGINEERING REPTS. 1904-1936 (SEE INDIVIDUAL MINE RECORDS FOR SPECIFIC REFERENCES)
BLM MINERAL SURVEYS MS 1097.5
U.S. Bureau of Mines, 1965, Mercury potential of the United States: U.S. Bureau of Mines Information Circular IC-8252, p. 376 p.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 2012-09-18 | Wilson, Anna B | U.S. Geological Survey | confirmed that Hg is a minor commodity and added a reference source. |
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.