| Deposit ID | 10158908 |
|---|---|
| MAS/MILS ID | 7780850001 |
| Record type | Site |
| Current site name | Rwenkanga |
| Geographic coordinates: | 30.09098, -0.97582 (WGS84) |
|---|
Political divisions (FIPS codes)
Uganda(country)
| Country |
|---|
| Uganda |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Tertiary |
| Niobium (Columbium) Critical | Tertiary |
| Tantalum Critical | Tertiary |
| (1) | 30.09098, -0.97582 |
|---|
| Development status | Prospect |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 7780850001 |
DMA SERIES 1501 MAP, SHEET SA 36-1, SCALE 1:250,000.
PARGETER, R.C. MINING AND ECONOMIC GEOLOGY: CH. IN GEOL.
SURV. OF UGANDA RECORDS FOR 1950, P.33.
BARNES, J.W.(ED.), THE MINERAL RESOURCES OF UGANDA, GEOL.
SURV. OF UGANDA, BULL. NO.4, 1961, P. 78.
| Subject category | Comment text |
|---|---|
| Deposit | DISCOVERED EARLY IN 1950, WAS KNOWN IN 1937 BUT FORGOTTEN. CO-ORDINATES ARE FROM PARGETER, IT IS 600 YARDS NE OF THE KAKENENA HILL DEPOSIT (SEQ. NO. 778-085-0005). CO- ORDINATES PLACE DEPOSIT ABOUT 74 KM SW OF MBARARA. COLUMBITE, TANTALITE, BERYL PEGMATITE. IN 1950, WORKINGS EXPOSED A QUARTZ-MICA-KAOLIN PEGMATITE VEIN STRIKING NW-SE FOR AT LEAST 61 M. AT TWO POINTS THE THICKNESS WAS 9.1 AND 15.2 M. PEGMATITE ENCLOSED IN HIGHLY SHEARED PHYLLITES. GENERAL DIP IS STEEP TO THE SW. COLUMBITE OCCURS AS TABULAR CRYSTALS, MAINLY IN CENTRAL PART OF "VEIN". FREQUENTLY OCCURS IN DISCONTINUOUS SEAMS LYING PARALLEL TO STRIKE OF ORE-BODY. BERYL OCCURS INTERGROWN WITH QUARTZ IN A NUMBER OF SMALL QUARTZ LENZES. QTZ. LENSES ENCLOSED BY WHITE KAOLIN, SERICITE AND MUSCOVITE OF VARYING COARSENESS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 19-JUL-1994 | Boyle, Ed | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.