| Deposit ID | 10007510 |
|---|---|
| MRDS ID | C011445 |
| Record type | Site |
| Current site name | Montana Qtz. |
| Alternate or previous names | Willow Valley |
| Related records | 10286269 |
| Geographic coordinates: | -120.97936, 39.27267 (WGS84) |
|---|---|
| Elevation | 853 |
| Relative position | 2 MI. ENE NEVADA CITY |
Political divisions (FIPS codes)
Nevada(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
North Bloomfield(quadrangle 1:24,000 scale)
Truckee(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Yuba(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Nevada |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 016N | 009E | 04 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Quartz | Gangue |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| (1) | -120.97936, 39.27267 |
|---|
| Strike | N 50 E |
|---|---|
| Dip | 22 NW |
| Thickness | 1.22M |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Nevada City |
|---|
| Year | 1870 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1850 - 1870 | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| |||||||||||||||
| Year | 1904 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1865 - 1904 | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| |||||||||||||||
| Year | 1908 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1907 - 1908 | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| |||||||||||||||
| Year | 1909 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 252.98M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | C011445 |
LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .
MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 198 - 199 .
CRAWFORD, J. J., 1896 , THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13 , P. 254 .
MACBOYLE 1918
| Subject category | Comment text |
|---|---|
| Deposit | VEINS, MONTANA, NEW YORK, MIDDLE - 18 IN. THICK, WILLOW VALLEY. MONTANA AVG. 1 FT. THICK MONTANA & NEW YORK VEINS THOUGHT TO UNITE AT DEPTH 800 FT. TO FORM 4 FT. THICK VEIN. |
| Deposit | PATENTED 3.65 ACRES, WILLOW VALLEY 20.66 ACRES. SEE PENN-CALIF PLACER. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1979 | Bowman, J. And Albers, J. | U.S. Geological Survey | PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD |
| Editor | 27-APR-1995 | Mosier, Dan | 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.