| Deposit ID | 10134841 |
|---|---|
| MRDS ID | ISM0171 |
| MAS/MILS ID | 7910050005 |
| Record type | Site |
| Current site name | Mamatwan |
| Alternate or previous names | Mamatwan Mine |
| Related records | 10183225, 10207488, 10207962, 10288065, 10304911, 60000579 |
| Geographic coordinates: | 23.00153, -27.36331 (WGS84) |
|---|---|
| Elevation | 1200 |
Political divisions (FIPS codes)
South Africa(country)
Africa(continent)
Land(continent)
| Country |
|---|
| South Africa |
| Commodity | Importance |
|---|---|
| Aluminum Critical | Tertiary |
| Calcium | Tertiary |
| Iron | Tertiary |
| Magnesite | Tertiary |
| Manganese Critical | Tertiary |
| Phosphorus-Phosphates | Tertiary |
| Silica | Secondary |
| Materials | Type of material |
|---|---|
| Bixbyite | Unknown |
| Braunite | Unknown |
| Cryptomalene | Unknown |
| Hausmanite | Unknown |
| Jacobsite | Unknown |
| (1) | 23.00153, -27.36331 |
|---|
| Strike | N00S | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 10W | ||||||||||||||||||||
| Thickness | 20M | ||||||||||||||||||||
| Length | 40000M | ||||||||||||||||||||
| Width | 1000M | ||||||||||||||||||||
| Depth to top | 45M | ||||||||||||||||||||
| |||||||||||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Both |
| Significant | Yes |
| Discovery year | 1954 |
| Milling method | Washing |
| District name | Kuruman |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Samancor Ltd |
| Interest | 100 |
| Home office | South Africa |
| Year | 1989 |
| Type | In-situ | |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1988 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Indicated | 400000000mt ore | |||||||||||||||||||||||||||||||||||||||||||||||||
| Demonstrated | 400000000mt ore | |||||||||||||||||||||||||||||||||||||||||||||||||
| Total resources | 400000000mt ore | |||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||||||||
| Type of workings | Surface | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 7910050005 | |
| USGS | Mineral Resources Data System | MRDS | ISM0171 | MAS references MRDS |
ASSOCIATED MANGANESE MINES OF SOUTH AFRICA(AMMOSOL). VARIOUS
ANNUAL REPORTS AND BROCHURES.
BOARDMAN, L.G. FURTHER GEOLOGICAL DATA ON THE POSTMASBURG
AND KURUMAN MANGANESE ORE DEPOSITS, NORTHERN CAPE PRO-
-VINCE. (IN) GEOLOGY OF SOME ORE DEPOSITS IN SOUTHERN
AFRICA, V. 2. GEOL. SURV. OF SOUTH AFRICA. 1964,
PP. 415-440.
DEVILLIERS, JOHN. MANGANESE DEPOSITS OF THE UNION OF SOUTH
AFRICA. GEOL. SURV. OF SOUTH AFRICA HANDBOOK NO. 2.
1960, 248 PP.
DEVILLIERS, P.R. THE GEOLOGY AND MINERALOGY OF THE KALAHARI
MANGANESE FIELD, NORTH OF SISHEN, CAPE PROVINCE. GEOL.
SURV. OF SOUTH AFRICA MEMOIR 59. 1970, 58 PP.
DUKE, V.W.A.(COMPILER). MANGANESE, A MANERAL COMMODITY RE-
-VIEW. SOUTH AFRICA DEPT. OF MINES, MINERALS BUREAU
INTERNAL REPORT NO. 53. 1979, PP. 90-113.
FRANKEL, J.J. MANGANESE ORES FROM THE KURUMAN DISTRICT, UP-
-PER CAPE PROVINCE. SOUTH AFRICA ECON. GEOL. V. 53,
1958, PP. 577-597.
HAMMERBECK, E.C.I. AND J.J. TALJAARDT. MANGANESE.(IN) MIN-
ERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA. HAND-
BOOK NO. 7.(C.B. COETZEE, ED.). PRETORIA, 1976,
PP. 167-172.
NATIONAL MATERIALS ADVISORY BOARD. NATIONAL ACADAMEY OF SCI-
-ENCE-NATIONAL RESEARCH COUNCIL. MANGANESE RESOURCES OF
THE WORLD AND THEIR INDUSTRIAL IMPLICATIONS. NMAB-374
WASHINGTON D.C. 1981, PP. 186-200.
0ELLETIER, R.A. MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA.
OXFORD UNIVERSITY PRESS, LONDON. 1964, P. 98.
STREIDER, PETER. SOUTH AFRICA'S ROLE IN WORLD MANGFANESE.
PRES. AT SOUTHERN AFRICAN METALS AND MINERALS CONFER-
-ENCE. JOHANNESBURG, MAY 12, 1981, 15 PP.
TALJAARDT, J.J. MAJOR MANGANESE FIELDS, REPUBLIC OF SOUTH
AFRICA. JOHANNESBURG, NOV. 1979, UPDATED NOV. 1982.
U.S. DEPT. OF STATE. SOUTH AFRICA'S MANGANESE SECTOR. AIR-
-GRAM A-30. JOHANNESBYRG, APR. 30, 1982, 53 PP.
COAL, GOLD, AND BASE MINERALS OF SOUTH AFRICA. MAMATWAN
EXPANSION DELIVERS. JUNE 1981, PP. 86-91.
WORLD MINING. AUG 1981, P.65.
SAMANCORE LTD.
ANNUAL ROPORTS AND BROCHURES.
| Subject category | Comment text |
|---|---|
| Deposit | THE TOTAL ORE ZONE CONSISTS OF ABOUT A 20M THICK UPPER, PCT MN, AND A LOWER 6M THICK, 30 PCT MN MEMBER. THE MIDDLE MEMBER IS MINED AFTER REMOVAL AND STOCKPILING OF THE OF THE UPPER MEMBER; THE LOWER MEMBER IS LEFT IN PLACE. OVERBURDEN (ABOUT 45M) CONSISTS OF HARD LIMESTONE, IRONSTONE, AND SAND; THE SAND (ABOUT 7M) IS REMOVED BY A BUCKET WHEEL EXCAVATOR. HARD OVERBURDEN IS MINED IN THREE BENCHES; ABOUT 70 PCT OF IT IS USED AS BACKFILL IN MINED OUT AREAS. AN IN-PIT CRUSHER AND 2.2KM CONVEYOR SYSTEM WERE INSTALLED IN 1981. PRODUCTION IS ESTIMATED TO BE ON THE ORDER OF 1.2 MILLION T/YR. IN 1988 A 550,000 T/YR SINTER PLANT WAS CONSTRUCTED TO SINTER THE FINES (MINUS 6MM) GENERATED BY CRUSHING AND HANDLING ABOUT 30 PCT OF THE ORE. THIS PROCESS ALONE UPGRADES THE ORE FROM ABOUT 38 PCT MN TO 44 PCT MN; HOWEVER, SINCE LATE 1989, THE SINTER FEED IS UPGRADED BY HEAVY MEDIA TO ABOUT 44 PCT MN. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 05-AUG-1994 | Coffman, Joe | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.