| Deposit ID | 10079195 |
|---|---|
| MRDS ID | W028138 |
| Record type | Site |
| Current site name | Dunn Mine |
| Geographic coordinates: | -80.96481, 35.33066 (WGS84) |
|---|---|
| Elevation | 210 |
| Relative position | 1.5 KM NW OF SHUFFLETOWN; NORTHWESTERN CHARLOTTE; MINE LOCATION NOT EXACT |
Political divisions (FIPS codes)
Mecklenburg(county)
North Carolina(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mountain Island Lake(quadrangle 1:24,000 scale)
Charlotte(quadrangle 1:100,000 scale)
Charlotte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Catawba(hydrologic unit)
Santee(hydrologic accounting unit)
Edisto-Santee(hydrologic subregion)
South Atlantic-Gulf(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | North Carolina | Mecklenburg |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Copper | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Hematite | Ore |
| Limonite | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Result | FOUR ASSAYS OF NEAR SURFACE OXIDE ORES SHOW GOLD VALUES OF FROM 0.4 TO 6.2 OPT AND SILVER VALUES FROM TRACE TO 1.5 OPT |
|---|---|
| Result | ASSAY OF SULFIDE ORE SHOWS GOLD OF 1.3 OPT WITH A TRACE OF 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 > Granitoid > Granite | ||
| |||
| (1) | -80.96481, 35.33066 |
|---|
| General form | TABULAR |
|---|---|
| Strike | NE-SW |
| Dip | 45 |
| Plunge direction | SE |
| Thickness | 0.3M |
| Length | 400M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1800 |
| District name | Charlotte District |
|---|
| Ownership category | Private |
|---|
| Type of workings | Underground |
|---|---|
| Area | 0.04HA |
| Overall depth | 27M |
| Overall width | 4M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W028138 |
NITZE, 1896 ; ASSAYS FOR GOLD AT $20.67 PER OUNCE AND SILVER AT $1.29 PER OUNCE ; SRC.REF: NITZE AND HANNA, 1896, P.141.
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. 140 , 141 , LOCATED ON MAP OF GOLD DEPOSITS AT 1:1,600,000
MINE IN MOUNTAIN ISLAND LAKE TOPO QUAD AT 1:24,000
EMMONS, E, 1856 , MIDLAND COUNTIES OF NORTH CAROLINA, NORTH CAROLINA GEOLOGICAL SURVEY, TEXT 347 P., MINE TEXT P. 177
1856 COMPILE EMMONS, E, N. C. STATE, MINES
1896 COMPILE NITZE, N. C. STATE, MINES
| Subject category | Comment text |
|---|---|
| Deposit | TWO VEINS; EAST VEIN, 0.17 M TO 0.3 M THICK CHANGED AT SHALLOW DEPTH FROM OXIDE ORE TO CHALCOPYRITE WHERE MINING STOPPED AT 6 M, N-S DIPPING WEST; MAIN VEIN, CONTAINING SEVERAL VEINS, EACH FROM 1.0 M TO 1.7 M THICK WITH AN AGGREGATE THICKNESS OF NOT LESS THAN 4uM; NE-SW, DIPPING SE 45 DEG. |
| Deposit | ORE ZONE IN SLATES THAT OUTCROP FOR 400 M, WITH STRIKE NE AND DIP NEARLY 45 DEGREES SE; ORE IN MAIN VEIN OF LIMONITES, VERY HARD RED HEMATITE, AND COMPACT PYRITES WITH SOME CHALCOPYRITE; BEAUTIFUL SCALES AND PLATES OF SPECULAR IRON COMMON IN LIMONITES |
| Deposit | Discovery Year: EARLY 1800 |
| 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.