| Deposit ID | 10305162 |
|---|---|
| MAS/MILS ID | 7910050058 |
| Record type | Site |
| Current site name | Glouchester |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | 22.83482, -27.16332 (WGS84) |
| Elevation | 1200 |
Political divisions (FIPS codes)
South Africa(country)
Africa(continent)
Land(continent)
| Country |
|---|
| South Africa |
| Commodity | Importance |
|---|---|
| Iron | Tertiary |
| Manganese Critical | Primary |
| Phosphorus-Phosphates | Tertiary |
| Silica | Tertiary |
| Materials | Type of material |
|---|---|
| Bixbyite | Unknown |
| Braunite | Unknown |
| Hausmanite | Unknown |
| Jacobsite | Unknown |
| Manganite | Unknown |
| Psilomelane | Unknown |
| Pyrolusite | Unknown |
| Ore Body (1) | 22.83482, -27.16332 |
|---|
| |||||||||||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Significant | No |
| Discovery year | 1922 |
| Year of first production | 1930 |
| District name | Postmasburg |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Associated Manganese Mines Of South Africa, Ltd. (Ammosal) |
| Interest | 100 |
| Home office | South Africa |
| Year | 1981 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1988 | ||||||||||||||
| Indicated | 10000000mt ore | ||||||||||||||
| Demonstrated | 10000000mt ore | ||||||||||||||
| Total resources | 10000000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 7910050058 |
DE VILLIERS, J. THE MANGANESE DEPOSITS OF THE UNION OF SOUTH
AFRICA, GEOLOGICAL SURVEY OF S.A., HANDBOOK NO.2, PRETORIA,
1960, P.67.
FERROUS AND NON-FERROUS METALS AND MINERALS IN SOUTH AFRICA
1977, MINERALS BUREAU, DEPT. OF MINES, MARKETING DIRECTORY
NO.2, BRAAMFONTEIN, 1977, P. 40.
BOARDMAN,L.G. "FURTHER GEOLOGIC DATA ON THE POSTMASBURG
AND KURUMAN MANGANESE ORE DEPOSITS, NORTH CAPE PROVINCE
." THE GEOLOGY OF SOME ORE DEPOSITS IN SOUTH AFRICA.
PP. 417-427.
HAMMERBECK,E.C.I. AND J.J.TALJAARDT. "MANGANESE" PP 167-172
TALJAARDT,J.J. "MAJOR MANGANESE ORE FIELDS IN REPUBLIC OF
SOUTH AFRICA, "JOHANNESBURG. NOVEMBER 1979.
ENGINEERING AND MINING JOURNAL, NOVEMBER 1972, P. 190-191.
| Subject category | Comment text |
|---|---|
| Deposit | THE BISHOP, GLUOCHESTER, AND PALING MINES WERE OPERATED AS A UNIT, SO-NAMED "SOUTHERN FARMS", AND GENERALLY FED A COMMON MILL. THE ORE WAS LOW GRADE AND USED MAINLY FOR BLENDING. THE MINES WERE SHUTDOWN IN 1983, APPARENTLY PERMANTLY. THE ERRATIC NATURE OF THE ORE OCCURENCES PRECLUDES ANY RELIABLE RESOURCE ESTIMATE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 07-JUN-1991 | Coffman, Joe | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.