| Deposit ID | 10018538 |
|---|---|
| MRDS ID | DC05622 |
| Record type | Site |
| Current site name | Roberta |
| Alternate or previous names | Marlin, More Work |
| Geographic coordinates: | -105.8781, 39.57805 (WGS84) |
|---|---|
| Location accuracy | 250(meters) |
Political divisions (FIPS codes)
Summit(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Keystone(quadrangle 1:24,000 scale)
Denver West(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Blue(hydrologic unit)
Colorado Headwaters(hydrologic accounting unit)
Colorado Headwaters(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
White River National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Summit |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 05S | 76W | 34 | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Sphalerite | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| (1) | -105.8781, 39.57805 |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Montezuma - Geneva Creek |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC05622 |
LOVERING, T.S., 1935, GEOLOGY AND ORE DEPOSITS OF THE MONTEZUMA QUADRANGLE, COLORADO: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 178, P. 100-116.
CONSV. DIV. COMP. DATE, 8,65
WILSON, ANNA B., AND LAROCK, EDWARD J., IN PRESS, MINERALIZED AREAS AND PRINCIPAL LODE MINES IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-2163, SCALE 1:50,000.
| Subject category | Comment text |
|---|---|
| Deposit | ROBERTA = MARLIN, ROBERTA IN MOST LITERATURE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1973 | Conservation Division Files | U.S. Geological Survey | |
| Updater | 01-APR-1991 | Wilson, Anna B. | U.S. Geological Survey | |
| Updater | 10-AUG-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.