| Deposit ID | 10002965 |
|---|---|
| MRDS ID | A015462 |
| Record type | Site |
| Current site name | Hi-Yu Mine |
| Alternate or previous names | Crites and Feldman Mine |
| Related records | 10257830 |
| Geographic coordinates: | -147.27785, 64.07465 (WGS84) |
|---|---|
| Relative position | ABOUT 27 MILES BY ROAD NE OF FAIRBANKS |
Political divisions (FIPS codes)
Southeast Fairbanks(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Fairbanks A-1(quadrangle 1:63,360 scale)
Big Delta SW(quadrangle 1:100,000 scale)
Fairbanks(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Antimony Critical | Secondary |
| Silver | Secondary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Sphalerite | Ore |
| Stibnite | Ore |
| Pyrite | Gangue |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| (1) | -147.27785, 64.07465 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discoverer | Crites And Feldman |
| Year of first production | 1913 |
| District name | Fairbanks |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A015462 |
USGS MF-413 (A-1), LOC. 51.
USGS BULL 525, P. 156-159
USGS BULL. 662, P. 404-405
USGS BULL. 849-B, P. 63, 70, 108-113.
| Subject category | Comment text |
|---|---|
| Deposit | MANY QUARTZ VEINS, SOME ALONG FAULTS AND MOST OFFSET BY FAULTS, CONTAIN FREE GOLD AND SULFIDES INCLUDING STIBNITE, ARGENTIFEROUS GALENA, ARSENOPYRITE, PYRITE, AND SPHALERITE. SOME OXIDATION PRODUCTS. SOME SILICIFIED SCHIST BETWEEN VEINS MIGHT CONSTITUTE LOW GRADE GOLD ORE. CONSIDERABLE SURFACE ENRICHMENT IN PLACES. STIBNITE IN KIDNEYS AND IRREGULAR VEINS. GOLD CONTENT VARIABLE; HIGHEST WHERE SULFIDES ARE MOST ABUNDANT. HANGING WALL OF MAIN VEIN MARKED BY A FAULT; SOME OF SULFIDE MINERALIZATION WAS EARLIER THAN THE FAULTING. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1987 | Powers, M.T. (Huber, D.F.) | 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.