| Deposit ID | 10103713 |
|---|---|
| MRDS ID | M046328 |
| Record type | Site |
| Current site name | Rietfontein |
| Alternate or previous names | Rietfontein Consolidated Mines, Ltd. |
| Geographic coordinates: | 28.20145, -26.14244 (WGS84) |
|---|---|
| Relative position | 8 MILES EAST OF JOHANNESBURG |
| (click for info) | |
| Country |
|---|
| South Africa |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Platinum | Secondary |
| Osmium | Secondary |
| Iridium | Secondary |
| Rhodium | Secondary |
| Ruthenium | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Sphalerite | Ore |
| Uraninite | Ore |
| Result | COMPOSITION OF PLATINOIDS IN PERCENT: IR = 37.2, OS = 36.2, RU = 15.6, PT = 10.1, RH = .9 |
|---|
| (1) | 28.20145, -26.14244 |
|---|
| General form | LITHIFIED PLACER |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Central Rand Area , Witwatersrand |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M046328 |
MERTIE, 1969, ECON. GEOL. PT METALS: USGS PROF. PAPER 630, P. 45 - 48
COUSINS, 1973, PLATINOIDS IN THE WITWATERSRAND SYSTEM: JOUR. S. AFRICA INST. MIN. AND METALL., V. 73, NO. 6, P. 3 - 5
WAGNER, 1929, PT DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 32 - 40
HARWOOD, C.B., 1913, IRIDOSMINE FROM THE NEW RIETFONTEIN MINES: TRANS. GEOL. SOC. OF S.AFRICA, V.15.
5) PARK AND MACDIARMID, 1970, ORE DEPOSITS.
6) MINING JOUR. V.268
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1975 | Blair, Will N. | U.S. Geological Survey |