| Deposit ID | 10079198 |
|---|---|
| MRDS ID | W028141 |
| Record type | Site |
| Current site name | Chapman Mine |
| Alternate or previous names | Alexander Gold Mine |
| Geographic coordinates: | -80.93814, 35.30954 (WGS84) |
|---|---|
| Elevation | 218 |
| Relative position | 0.6 KM DUE NORTH OF HILLCREST CHURCH; 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 |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Result | AVERAGE SAMPLE ASSAYS SHOW GOLD VALUES OF $12.00 TO $13.00 PER TON |
|---|---|
| Result | ASSAYS OF AVERAGE LIMONITE ORE RAN $28.00 PER TON GOLD, AN ASSAY OF DUMP ROCK WITHOUT SULFIDES RAN $13.00 , AN ASSAY OF COBBED SULFIDES RAN $48.00 |
| Result | FIVE OTHER ASSAYS OF MINE ORE SHOWED GOLD VALUES OF FROM $4.13 TO $35.14 PER TON, AND SILVER VALUES OF FROM TRACE TO $1.29 |
| Model code | 273 |
|---|---|
| USGS model code | 36a |
| Deposit model name | Low-sulfide Au-quartz vein |
| Mark3 model number | 27 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -80.93814, 35.30954 |
|---|
| General form | TABULAR |
|---|---|
| Strike | N 20 W |
| Dip | 65 TO 70 NE |
| Thickness | 3M |
| Length | 270M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1850 |
| District name | Charlotte District |
|---|
| Ownership category | Private |
|---|
| Type of workings | Underground |
|---|---|
| Length | 45M |
| Overall depth | 33M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W028141 |
NITZE, 1896 ; ASSAYS FOR GOLD AT $20.67 PER OUNCE AND SILVER AT $1.29 PER OUNCE
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. 139 , 140 , LOCATED ON MAP OF GOLD DEPOSITS AT 1:1,600,000
MINE IN THE MOUNTAIN ISLAND LAKE TOPO QUAD AT 1:24,000
1896 COMPILE NITZE, N. C. STATE, MINE
NITZE, 1896
| Subject category | Comment text |
|---|---|
| Deposit | QUARTZ VEIN 2.7 M TO 3 M THICK WITH ORE VEIN 10 CM TO 77 CM THICK; ORE CONSISTS OF SILICIFIED SCHISTS WITH LIMONITE AND QUARTZ NEAR SURFACE AND ABUNDANT SULFIDES AT DEPTH |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1977 | D'Agostino, John P. | U.S. Geological Survey | |
| Updater | 01-JUN-1991 | Klein, T.L. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.