| Deposit ID | 10000503 |
|---|---|
| MRDS ID | A010692 |
| Record type | Site |
| Current site name | Treadwell Mines |
| Alternate or previous names | Alaska Treadwell, Alaska Mexican, Ready Bullion, Seven Hundred Foot |
| Geographic coordinates: | -134.377, 58.26642 (WGS84) |
|---|
Political divisions (FIPS codes)
Juneau(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Juneau B-2(quadrangle 1:63,360 scale)
Juneau SE(quadrangle 1:100,000 scale)
Juneau(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lynn Canal(hydrologic unit)
Northern Southeast Alaska(hydrologic accounting unit)
Southeast Alaska(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
LG(Federal land areas administered by LG)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Lead | Secondary |
| Zinc Critical | Tertiary |
| Copper | Tertiary |
| Molybdenum | Tertiary |
| Tungsten Critical | Tertiary |
| Antimony Critical | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Gold | Ore |
| Molybdenite | Ore |
| Orpiment | Ore |
| Realgar | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Albite | Gangue |
| Calcite | Gangue |
| Magnetite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Rutile | Gangue |
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| (1) | -134.377, 58.26642 |
|---|
| General form | TABULAR |
|---|---|
| Strike | NNW |
| Dip | NE STEEP |
| Thickness | 121.92M |
| Length | 1066.8M |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1881 |
| Year of first production | 1882 |
| Year of last production | 1922 |
| Year | 1922 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1885-1922 | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| |||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Length | 4827.9M |
| Overall depth | 822.96M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A010692 |
USGS OFR 78-374, P. 125-128
STONE, DAVID, AND STONE, BRENDA, 1980, HARD ROCK GOLD: JUNEAU, CITY AND BOROUGH OF JUNEAU, JUNEAU CENTENNIAL COMMITTEE, 108 P.
NORTHERN MINER, MARCH 29, 1984, P. 12
| Subject category | Comment text |
|---|---|
| Deposit | GOLD-AND SULFIDE-BEARING QUARTZ VEINS IN SHATTERED ALBITE DIORITE SILLS IN SEQUENCE OF SLATE BELOW GREENSTONE HANGING WALL. SLATE HORSES IN VEINS ALSO MINERALIZED |
| Deposit | FOUR MAJOR MINES OWNED BY THREE (RELATED) COMPANIES MINED SEGMENTS OF ONE MAJOR VEIN STRUCTURE OVER 3500 FT LONG. THREE OF THE FOUR MINES WERE FLOODED BY SEAWATER IN 1917 AND NEVER REOPENED. THE THREE COMPANIES MERGED FOLLOWING THE FLOODING. THE FOURTH MINE CLOSED IN 1922. ALL PROPERTIES WERE SOLD TO THE ALASKA JUNEAU GOLD MINING CO. IN 1928. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1984 | Elliott, R. L. | U.S. Geological Survey | |
| Editor | 13-APR-1994 | 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.