| Deposit ID | 10071881 |
|---|---|
| MRDS ID | W015578 |
| Record type | Site |
| Current site name | August Mine |
| Related records | 10294627 |
| Geographic coordinates: | -108.61356, 47.92021 (WGS84) |
|---|---|
| Elevation | 1494 |
| Relative position | LOCATED 1.5 MILES NORTHEAST OF LANDUSKY |
Political divisions (FIPS codes)
Phillips(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Zortman(quadrangle 1:24,000 scale)
Zortman(quadrangle 1:100,000 scale)
Lewistown(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Fort Peck Reservoir(hydrologic unit)
Fort Peck Lake(hydrologic accounting unit)
Missouri-Musselshell(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Phillips |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 025N | 024E | 15 | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Fluorine-Fluorite Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Limonite | Ore |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Syenite | ||||||
| Rock unit name | Syenite Porphyry | ||||||
| Rock description | Syenite Porphyry | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock |
| Rock unit name | Flathead Sandstone (Quartzite);Emerson Formation;Bighorn Dolomite;Maywood And Jefferson Ls |
| Rock description | Flathead Sandstone (Quartzite);Emerson Formation;Bighorn Dolomite;Maywood And Jefferson Ls |
| (1) | -108.61356, 47.92021 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Upwarping Of Sediments By Intrusion Of Porphyry |
| General form | TABULAR |
|---|---|
| Length | 396.24M |
| Width | 1.22M |
| Depth to bottom | 91.44M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1893 |
| Discoverer | Robert Orman |
| Year of first production | 1893 |
| District name | Little Rockies |
|---|
| Ownership category | Private |
|---|
| Type of workings | Underground |
|---|---|
| Length | 457.2M |
| Overall depth | 106.68M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W015578 |
CORRY, A. V., 1933, SOME GOLD DEPOSITS OF BROADWATER, BEAVERHEAD, PHILLIPS AND FERGUS COUNTIES, MONTANA: MONT. BUREAU OF MINES GEOL. MEM. 10 P. 30-36
WEED, W. H., 1896, ORE DEPOSITS OF THE LITTLE ROCKY MOUNTAINS, MONTANA, THE ENGINEERING AND MINING JOURNAL, VOL. 61, P. 423-424.
CORRY, A. V., 1933, GOLD DEPOSITS SOME COUNTIES, MT
| Subject category | Comment text |
|---|---|
| Deposit | ACCORDING TO THE MINERAL RESOURCES SOURCE CITED IN THE PRODUCTION REFERENCE SECTION, BY THE CLOSE OF 1909 $340,000 IN ORE AND BULLION HAD BEEN SHIPPED FROM THE AUGUST MINE. CORRY CITES 90,000 TONS OF GOLD ORE HAD BEEN EXTRACTED AT A NET WORTH OF $1,500,000. VARIOUS TONNAGES WERE SHIPPED AS LATE AS 1931 WITH VALUES VARYING FROM $8,000 TO $14,000, PER CARLOAD SHIPPED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1977 | Mckenzie, Craig L.; R. B. Berg | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.