| Deposit ID | 10073177 |
|---|---|
| MRDS ID | W019044 |
| Record type | Site |
| Current site name | Black Hawk - Blue Hill Zn - Cu |
| Alternate or previous names | Second Pond |
| Related records | 10145452 |
| Geographic coordinates: | -68.68269, 44.36662 (WGS84) |
|---|---|
| Relative position | 30 KM SW OF ELLSWORTH |
Political divisions (FIPS codes)
Hancock(county)
Maine(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sargentville(quadrangle 1:24,000 scale)
Bar Harbor(quadrangle 1:100,000 scale)
Bangor(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Maine Coastal(hydrologic unit)
Maine Coastal(hydrologic accounting unit)
Maine Coastal(hydrologic subregion)
New England(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Maine | Hancock |
| Commodity | Importance |
|---|---|
| Zinc Critical | Primary |
| Copper | Primary |
| Lead | Secondary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Sphalerite | Ore |
| Model code | 184 |
|---|---|
| USGS model code | 28a |
| Deposit model name | Massive sulfide, kuroko |
| Mark3 model number | 93 |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Rock unit name | Ellsworth Formation Altered Schists, Amphibolites |
| Rock description | Ellsworth Formation Altered Schists, Amphibolites |
| (1) | -68.68269, 44.36662 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Southern Volcanic Belt |
| Type of structure | Local |
| Structure description | Gently Folded, Southerly Plunging Anticline (Ore At Nose). |
| General form | SERIES OF PARALLEL ORE ZONES |
|---|---|
| Dip | 26 DEG |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Year of first production | 1972 |
| District name | Blue Hill Dist. |
|---|
| Type | Operator |
|---|---|
| Owner | Kerramerican, Inc. |
| Type | Owner |
|---|---|
| Owner | Kerr Addison Mines |
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1964 | ||||||||||||||||||||||||||||
| Total resources | 1090000000mt ore | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1964 | |||||||||||||||||||||
| Total resources | 2540000000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1964 | ||||||||||||||||||||||||||||
| Total resources | 410000000mt ore | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 400M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W019044 |
YOUNG, R. S., 1968, MINERAL EXPLORATION AND DEVELOPMENT IN MAINE; IN ORE DEPOSITS OF U. S. 1933 - 1967 V. 1 P. 130
STAFF, 1975, SKINNERS MINING INTL. YBK. P. 326
SKINNERS MINING INTL. YBK., 1975, P. 326
YOUNG, R. S., 1968, IN ORE DEP. OF U. S. 1933 - 67 V. 1, P. 130.
| Subject category | Comment text |
|---|---|
| Deposit | FROM TOP TO BOTTOM: 1) MAMMOTH ZONE, 3 M. ZN - CU; 2) SECOND POND ZONE, UP TO 10 M. CU ORE; 3) AMPHIBOLITE ZONE, 1.2 - 2 M OF 14% ZN; 4) DOUGLAS (LOWER) CU ZONE 5) LEAD ZONE, PB - AG |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1977 | Schruben, Paul G. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.