| Deposit ID | 10106172 |
|---|---|
| MRDS ID | W030915 |
| Record type | Site |
| Current site name | Seaboard Mine |
| Geographic coordinates: | -78.77696, 36.59146 (WGS84) |
|---|---|
| Elevation | 143 |
| Relative position | 2.15 KM (1.35 MI) WSW OF RED BANK. |
Political divisions (FIPS codes)
Halifax(county)
Virginia(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Virgilina(quadrangle 1:24,000 scale)
South Boston(quadrangle 1:100,000 scale)
Greensboro(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Dan(hydrologic unit)
Roanoke(hydrologic accounting unit)
Chowan-Roanoke(hydrologic subregion)
South Atlantic-Gulf(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Virginia | Halifax |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Secondary |
| Gold | Tertiary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcocite | Ore |
| Malachite | Ore |
| Albite | Gangue |
| Calcite | Gangue |
| Chlorite | Gangue |
| Epidote | Gangue |
| Hematite | Gangue |
| Quartz | Gangue |
| Result | MILL CONCENTRATES: 23.85% CU, 2.85 OZ AG AND 0.02 OZ AU PER TON. HAND PICKED ORE: 7.45% CU, 1.50 OZ AG AND 0.01 OZ AU PER TON. |
|---|
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt |
| Rock unit name | Aaron Formation (Middle Member) |
| Rock description | Aaron Formation (Middle Member) |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| Rock unit name | Aaron Formation (Middle Member) |
| Rock description | Aaron Formation (Middle Member) |
| (1) | -78.77696, 36.59146 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Virgilina Synclinorium |
| Type of structure | Local |
| Structure description | Schistosity Strikes N 4 Deg. E., A Synorogenic Reverse Fault Dipping To The East Is Situated About 125m To The East. |
| General form | PINCH AND SWELL |
|---|---|
| Strike | N 5-10 DEG W |
| Dip | 80 DEG E |
| Thickness | 2.4M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1899 |
| Discoverer | Mr. Williams (?) |
| Year of first production | 1902 |
| District name | Virgilina District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Seaboard Copper Co. |
| Type | Owner |
|---|---|
| Owner | R. G. Lassiter |
| Year | 1907 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | CON CU | ||||||||||||||||||||||||||||
| Accuracy | Accurate | ||||||||||||||||||||||||||||
| Description | Ap_Grade: ^23.85% Cu/2.89 Oz Ag, 002 Oz Au Per Ton | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Length | 183M |
| Overall depth | 107M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W030915 |
SRC.REF: LANEY (1917, P. 102).
KREISA, R.D., 1980, GEOLOGY OF OMEGA, SOUTH BOSTON, CLUSTER SPRINGS, AND VIRGILINA QUADRANGLES, VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, PUBLICATION 5, 22 P.
LANEY, F.B., 1917, THE GEOLOGY AND ORE DEPOSITS OF THE VIRGILINA DISTRICT OF VIRGINIA AND NORTH CAROLINA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 14, 176 P.
SWEET, P.C., 1976, ABANDONED COPPER MINES AND PROSPECTS IN THE VIRGILINA DISTRICT, VIRGINIA: VIRGINIA MINERALS, V. 22, NO. 3, P. 25-34.
NEWBERRY, A.W., ROOS, A., ROBERTSON, A.F., DAHNERS, L.A., AND COHEN, C.J., 1948, INVESTIGATION OF THE VIRGILINA COPPER DISTRICT, VIRGINIA AND NORTH CAROLINA: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4384, 12 P.
1899 DIREXPL MR. WILLIAMS: SHAFTS 1 AND 2 SUNK.}1902 DIREXPL SEABOA RD COPPER CO.: PREVIOUS SHAFTS DEEPENED AND ADDITIONAL SHAFT SUNK; MILL ERECTED.}1942 DIREXPL U.S. BUREAU OF MINES: 280M OF HAND. TRENCHING AND BEGAN REHABILITATION OF SHAFT #2
LANEY (1917), SWEET (1976)
| Subject category | Comment text |
|---|---|
| Deposit | VEIN THICKNESS ABOVE PER LANEY (1917), NEWBERRY AND OTHERS (1948) ONLY SAW A MAXIMUM THICKNESS OF 0.46 M. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1979 | Meintzer, Robert E. (Le Van, D.C.) | Virginia Division of Mineral Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.