| Deposit ID | 10158998 |
|---|---|
| MRDS ID | W014841 |
| MAS/MILS ID | 7910150001 |
| Record type | Site |
| Current site name | Free State Geduld Free Gold North |
| Alternate or previous names | Free State Geduld |
| Related records | 10071444 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | 26.73479, -27.91325 (WGS84) |
| Elevation | 1372 |
Political divisions (FIPS codes)
Free State(province)
South Africa(country)
Africa(continent)
Land(continent)
| Country | State |
|---|---|
| South Africa | Free State |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Sulfur, Sulfuric Acid | Secondary |
| Uranium | Primary |
| Materials | Type of material |
|---|---|
| Gold | Unknown |
| Pyrite | Unknown |
| Silver | Unknown |
| Uraninite | Unknown |
| Ore Body (1) | 26.73479, -27.91325 |
|---|
| Thickness | 1.3M | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||
| Dip | 00E | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thickness | 1.5M | ||||||||||||||||||||||||
| Area | 9720HA | ||||||||||||||||||||||||
| Depth to top | 1800M | ||||||||||||||||||||||||
| |||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Producer |
| Commodity type | Both |
| Deposit size | Medium |
| Significant | Yes |
| Discovery year | 1946 |
| Year of first production | 1967 |
| Milling method | Hydrometallurgy Unspecified |
| District name | Orange Free State Gold Fields |
|---|
| Type of mineral rights | Private Lease |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Free State Geduld Mines Ltd. (Subsid Of Anglo-American) |
| Interest | 100 |
| Home office | South Africa |
| Year | 1982 |
| Year | 1982 |
|---|---|
| Description | 3400000 Metric Tons Ore/Year |
| Year | 1983 |
|---|---|
| Description | 3400000 Metric Tons Ore/Year |
| Year | 1984 |
|---|---|
| Description | Same Production Until 2027 4300000 Metric Tons Ore/Year |
| Type of workings | Underground | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall depth | 1750M | ||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 7910150001 | |
| USGS | Mineral Resources Data System | MRDS | W014841 | MAS references MRDS |
| Subject category | Comment text |
|---|---|
| Deposit | DATA CONTAINED IN THIS FILE WAS COLLECTED BY DAVY MCKEE UNDER U.S. BUREAU OF MINES CONTRACT # J0215039 IN 1982. ORE DILUTION & MINE RECOVERY WERE ACCOUNTED FOR IN THE QUANTITY ESTIMATION. THE MILL PRODUCES A GOLD & SILVER DORE BULLION WHICH GRADES 88% GOLD, 10% SILVER, 2% BASE METAL IMPURITIES. SMELTER RECOVERIES ARE TECHNOLOGICAL RECOVERIES FOR DORE BULLION REFINING. MINE & MILL CAP TOTALS WERE NOT GIVEN BECAUSE THE MINE HAD NO PREPRODUCTION YEARS. MILL IS A CYANIDATION PLANT; YIELD IN 1974 WAS 20.24 G/MT, YIELD IN 1975 WAS 16.68 G/MT AND YIELD IN 1977 WAS 16 G/MT, RECOVERY BASED UPON 16/20.7= 77%. COST OF 5TH SHAFT (TO DEPTH OF 1,800M) & EXTENSION OF VENT. SHAFT TO 1,735 M DEPTH EST. TO BE R17,000,000. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 11-MAY-1994 | Boyle, Ed | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.