| Deposit ID | 10014152 |
|---|---|
| MRDS ID | D010802 |
| Record type | Site |
| Current site name | Bay City Mine |
| Related records | 10263717 |
| Geographic coordinates: | -108.07926, 37.36445 (WGS84) |
|---|---|
| Elevation | 2707 |
| Relative position | 12.4 MILES N 63 W FROM DURANGO |
Political divisions (FIPS codes)
La Plata(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Hesperus(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 | La Plata |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 036N | 011W | 21 | NW | Colorado |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Primary |
| Lead | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Model code | 72 |
|---|---|
| USGS model code | 19a |
| Deposit model name | Polymetallic replacement |
| Mark3 model number | 47 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Porphyritic Rocks--Diorite-Monzonite Porphyry | ||||||||
| Rock description | Porphyritic Rocks--Diorite-Monzonite Porphyry | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Marble |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Dolores Formation |
| Rock description | Dolores Formation |
| (1) | -108.07926, 37.36445 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift, Four Corners Platform |
| Type of structure | Local |
| Structure description | La Plata Dome |
| Thickness | 3.05M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1987 |
| Discoverer | De Veau Mining Co. (Claimant) |
| Year of first production | 1876 |
| Year of last production | 1918 |
| District name | California (La Plata) District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Type | Operator |
|---|---|
| Owner | Consolidated Gold Mining Co. |
| Home office | Hesperus, Co. |
| First year | 1949 |
| Type | Owner |
|---|---|
| Owner | L. E. M. Myers |
| Home office | Hesperus, Co. |
| First year | 1949 |
| Type of workings | Underground |
|---|---|
| Length | 263.65M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010802 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080670028 |
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 68-69, 89-90
COLORADO DIV. MINES INF. REPT.
BLM MINERAL SURVEY MS 1140
ECKEL AND OTHERS, 1949, P. 89
| Subject category | Comment text |
|---|---|
| Deposit | REPLACEMENT OCCURS IN BASAL LIMY BED OF DOLORES FM, LOCALLY CALLED BAY CITY LIMESTONE AND CONSISTING OF WHITE MASSIVE LIMESTONE PARTLY METAMORPHOSED TO COARSE-GRAINED MARBLE AND GRADING LATERALLY INTO LIMESTONE CONGLOMERATE AND LIMY MUDSTONE. NE-TRENDING FAULTS DIP 80 TO 90 SE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1983 | Schwochow, Stephen D. | Colorado 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.