| Deposit ID | 10079155 |
|---|---|
| MRDS ID | W028083 |
| Record type | Site |
| Current site name | Duffie Mine |
| Geographic coordinates: | -81.08037, 35.22344 (WGS84) |
|---|---|
| Elevation | 209 |
| Relative position | 1.5 KM SW OF CRAMERTON WT; MINE LOCATION NOT EXACT |
Political divisions (FIPS codes)
Gaston(county)
North Carolina(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Belmont(quadrangle 1:24,000 scale)
Gastonia(quadrangle 1:100,000 scale)
Charlotte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
South Fork Catawba(hydrologic unit)
Santee(hydrologic accounting unit)
Edisto-Santee(hydrologic subregion)
South Atlantic-Gulf(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | North Carolina | Gaston |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Result | SEVEN ASSAYS OF GOLD ORES SHOW GOLD VALUES OF FROM 0.2 TO 0.8 OPT AND SILVER VALUES OF FROM TRACE TO 2.0 OPT SILVER. |
|---|
| Model code | 273 |
|---|---|
| USGS model code | 36a |
| Deposit model name | Low-sulfide Au-quartz vein |
| Mark3 model number | 27 |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||
| |||
| (1) | -81.08037, 35.22344 |
|---|
| General form | TABULAR |
|---|---|
| Thickness | 3M |
| Depth to bottom | 34M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1850 |
| Year of first production | 1850 |
| District name | Gastonia Area |
|---|
| Ownership category | Private |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 33M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W028083 |
NITZE, 1896 ; SRC.REF: NITZE AND HANNA, 1896, P. 148.
NITZE, H. B. C., AND HANNA, G. B., 1896 , GOLD DEPOSITS OF NORTH CAROLINA, NORTH CAROLINA GEOLOGICAL SURVEY BULL. NO. 3 , TEXT 200 P., MINE TEXT P. 148 , LOCATED ON GOLD DEPOSITS MAP AT 1:1,600,000
MINE IN BELMONT TOPO QUAD AT 1:24,000 , SMALL POND SELECTED AS MINE SITE
1896 COMPILE NITZE, STATE N.C., MINE
| Subject category | Comment text |
|---|---|
| Deposit | THIN TO THICK QUARTZ VEIN; LARGE DEPOSIT OF LOW-GRADE SULFIDES DISCOVERED 33 M BELOWuSURFACE. |
| Deposit | QUARTZ VEIN POSSIBLY NEAR CONTACT WITH PALEOZOIC GRANITE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1977 | D'Agostino, John P. | U.S. Geological Survey | |
| Updater | 01-JUN-1992 | Klein, T.L. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.