| Deposit ID | 10256203 |
|---|---|
| MAS/MILS ID | 7910050063 |
| Record type | Site |
| Current site name | Middlepost Nos. 1&2 |
| Geographic coordinates: | 20.79326, -28.91328 (WGS84) |
|---|
Political divisions (FIPS codes)
South Africa(country)
Africa(continent)
Land(continent)
| Country |
|---|
| South Africa |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Primary |
| (1) | 20.79326, -28.91328 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 7910050063 |
HUGO,P.J., THE PEGMATITES OF THE KENHARDT AND GORDONIA
DISTRICTS, CAPE PROVINCE, MEMOIR 58, GEOLOGICAL SURVEY OF S.A.,
PRETORIA, 1970, PP.21-25.
DMA SERIES 1501 MAP, SHEET SH 34-2, SCALE 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | AT LEAST 30 BERYL BEARING PEGMATITES ON MIDDLEPOST AND KOEGAB FARMS. MAIN BERYL PRODUCTION (1964) FROM MIDDLEPOST NOS.1&2 PEGMATITES. MIDDLEPOST NO.1: 275 M LONG, 91 M WIDE, HORZONTAL ATTITUDE, 13.7 M DEEP. SURFACE EXCAVATIONS ON W END (1964 PRODUCT- ION) AT DEPTH OF 10.7 M IN 1964. TOTAL PRODUCTION TO END OF JUNE 1964 WAS 200 TONS OF BERYL AVG. 12.5 % BEO. MIDDLEPOST NO.2: 152 M LONG, VARYING WIDTH OF 7.6 TO 27.4 M, STRIKE N 60 W, DIP 70 DEG. TO SE, PRODUCTION SINCE 1952 FROM LONG EXCAVATION ON FOOTWALL SIDE. TOTAL PRODUCTION TO JUNE 1964 WAS 150 TONS BERYL OF EXCELLANT QUALITY. COORDINATES ARE OF A POINT 7 UM NE OF MIDDLEPOST WHICH IS COORDINATES ARE OF A POINT 7 KM NE OF MIDDLEPOST WHICH IS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 21-OCT-1983 | Boyle, Ed | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.