| Deposit ID | 10038187 |
|---|---|
| MRDS ID | M045488 |
| Record type | Site |
| Current site name | Rocky Bar |
| Geographic coordinates: | -115.29314, 43.69068 (WGS84) |
|---|---|
| Elevation | 1600 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 45 MI EAST OF BOISE |
Political divisions (FIPS codes)
Elmore(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rocky Bar(quadrangle 1:24,000 scale)
Idaho City(quadrangle 1:100,000 scale)
Hailey(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
South Fork Boise(hydrologic unit)
Middle Snake-Boise(hydrologic accounting unit)
Middle Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Boise National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Elmore |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 004N | 010E | 08 | Idaho | |
| Boise | 003N | 009E | Idaho |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Platinum Critical | Tertiary |
| Silver | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Gold | Ore |
| Ilmenite | Ore |
| Magnetite | Ore |
| Platinum | Ore |
| Quartz | Gangue |
| Result | PT=$2.27/TON, AU=$22.32/TON OF CONCENTRATES AT 5 LB/YD |
|---|---|
| Result | RECALCULATES TO PT=0.00013 OZ/TON (3 PPB), AU=0.0018 OZ/TON (62 PPB) |
| Model code | 119 |
|---|---|
| USGS model code | 39a |
| Deposit model name | Placer Au-PGE |
| Mark3 model number | 54 |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Unconsolidated Deposit > Gravel | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -115.29314, 43.69068 |
|---|
| General form | STREAM SEDIMENT DEPOSITS |
|---|
| Operation type | Placer |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1862 |
| District name | Bear Creek And Red Warrior Districts |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Boise National Forest |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M045488 | |
| USGS | Mineral Resources Data System | MRDS | D001491 | data consolidated into this record |
Ballard, S.M., 1928, Geology And Ore Deposits Of The Rocky Bar Quadrangle: Idaho Bureau Of Mines And Geology Pamphlet 26, P. 17, 22-26.
Staley, W.W., 1946, Gold In Idaho, Idaho Bureau Of Mines And Geology Pamphlet 68, P. 19, Fig. 15.
Savage, C.N., 1961, Economic Geology Of Central Idaho Blacksand Placers: Idaho Bureau Of Mines And Geology Bulletin 17, P. 71-75.
Ross, C.P., 1941, The Metal And Coal Mining Districts Of Idaho, With Notes On The Nonmetallic Mineral Resources Of The State: Idaho Bureau Of Mines And Geology Pamphlet 57, P. 47.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-74 | Fisher, Fred S. | U.S. Geological Survey | |
| Reporter | 01-FEB-75 | Blair, Will N. | U.S. Geological Survey | |
| Updater | 01-JAN-90 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.