| Deposit ID | 10100959 |
|---|---|
| MRDS ID | A011459 |
| Record type | Site |
| Current site name | Cliff Mine |
| Related records | 10282462 |
| Geographic coordinates: | -146.56589, 61.12209 (WGS84) |
|---|---|
| Relative position | ON N SHORE OF PORT VALDEZ ABOUT 7 MI W OF VALDEZ, AK |
Political divisions (FIPS codes)
Valdez-Cordova(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Valdez A-7(quadrangle 1:63,360 scale)
Valdez SW(quadrangle 1:100,000 scale)
Valdez(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Eastern Prince William Sound(hydrologic unit)
Prince William Sound(hydrologic accounting unit)
South Central Alaska(hydrologic subregion)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 009S | 008W | 01 | Alaska |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Albite | Gangue |
| Calcite | Gangue |
| Chlorite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | ESTIMATED GRADE OF ABOUT 2.4 OZ/TON FROM REPORT OF 50.00 DOLLAR/TONWITH AU AT 20.67/TON, WALL ROCK ASSAYED ABOUT .07 TO 0.29 OZ/TON REPORTED AS 1.5 TO 6.00 DOLLARS/TON |
|---|---|
| Result | IN USGS BULL 443, P. 72-74 |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Siltstone |
| Rock unit name | Valdez Group |
| Rock description | Valdez Group;Valdez Group |
| (1) | -146.56589, 61.12209 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Tightly Compressed E-W Trending Folds, Overturned Towarrd The S. Pluge Gently W |
| General form | PINCH AND SWELL |
|---|---|
| Strike | N 28 W TO N 47 W |
| Dip | 65 E TO 48 W |
| Thickness | 2M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1906 |
| Discoverer | H. E. Ellis |
| Year of first production | 1910 |
| Year of last production | 1940 |
| District name | Port Valdez |
|---|
| Ownership category | State |
|---|
| Type of workings | Underground |
|---|---|
| Length | 2438.4M |
| Overall depth | 101.19M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A011459 |
USGS BULL 443, P. 72-74, 76-77
USGS BULL 622, P. 135, 152-153, 156, 170-172
USGS BULL 989-E, P. 304-306
USGS PP 542-C, P. C30
USGS PP 610, P. 31-32
USGS OFR 80-892A, B, LOC. 15
ADGGS SR 33, P. 12
PICKTHORN, WILLIAM JOSEPH, 1982, STABLE ISOTOPE AND FLUID INCLUSION STUDY OF THE PORT VALDEZ GOLD DISTRICT, SOUTHERN ALASKA: LOS ANGELES, CA, UCLA, M. S. THESIS, 66 P.
BAG-OFR-80-892B-15
| Subject category | Comment text |
|---|---|
| Deposit | AURIFEROUS QUARTZ VEINS CUT ACROSS SCHISTOSITY OF COUNTRY ROCK IN SYSTEM OF INTERLACING FISSURES; GENERALLY A FEW 10'S OF CM BUT UP TO 2MTHICK; QUARTZ SHOWS RIBBON STRUCTURE, PINCH AND SWELL |
| Deposit | ABANDONED INSTALLATION AT THE CLIFF MINE WAS DEMOLISHED BY A SLIDE GENERATED WAVE DURING THE "GOOD FRIDAY" EARTHQUAKE ON MARCH 27, 1964 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1985 | Leonard, Kenneth R. (Elliott, R. L.) | U.S. Geological Survey | |
| Editor | 14-APR-1994 | Mosier, Dan | U.S. Geological Survey | PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES. |
| Editor | 14-APR-1995 | Waller, Nichelle (Mosier, Dan) | U.S. Geological Survey | PUT DIMENSION DATA INTO THE ORE BODY FIELDS FROM THE DEPOSIT COMMENTS FIELD. |
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.