| Deposit ID | 10069464 |
|---|---|
| MRDS ID | W007003 |
| Record type | Site |
| Current site name | Kerio Valley Fluorspar Mine |
| Alternate or previous names | Kamnaon, Kimwarer and Chof Deposits |
| Geographic coordinates: | 35.61788, 0.50155 (WGS84) |
|---|---|
| Elevation | 1485 |
| Relative position | 40 KM EAST OF ELDORET ON THE EAST SLOPE OF THE KERIO VALLEY, 200 KM NW OF NAIROBI |
Political divisions (FIPS codes)
Kenya(country)
Africa(continent)
Land(continent)
| Country |
|---|
| Kenya |
| Commodity | Importance |
|---|---|
| Fluorine-Fluorite Critical | Primary |
| Quartz | Tertiary |
| Calcium | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Biotite | Gangue |
| Calcite | Gangue |
| Diopside | Gangue |
| Graphite | Gangue |
| Microcline | Gangue |
| Orthoclase | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Result | RESERVES: CAF2 - 50%. PRODUCT: CAF2 - 80 TO 85%, SIO2 - 7 TO 12%, CACO3 - 1 TO 3%, NO SULFIDES, LITTLE A1 |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt | ||||
| Rock unit name | Basalt | ||||
| Rock description | Basalt | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Hornblende-Gneiss;Biotite-Gneiss;Quartzofeldspathic Gneiss |
| Rock description | Hornblende-Gneiss;Biotite-Gneiss;Quartzofeldspathic Gneiss |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | 35.61788, 0.50155 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Rift Valley To The West, Kavirondo Rift To The Se. |
| Type of structure | Local |
| Structure description | Kerio Valley. Elgeyo Escarpment And Associated Faults |
| General form | LINEAR |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1967 |
| Year of first production | 1972 |
| District name | Rift Valley District |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Fluorspar Co. Of Kenya (C. F. K.) |
| Year | 1972 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1968 - 1972 | ||||||||||||||
| Material | F | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Cp_Grade: ^Metallurgical Grade: 80 - 85 % Caf2 | ||||||||||||||
| |||||||||||||||
| Year | 1973 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | F | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^80. % Caf2 - 85. % Caf2 (Metallurgical Grade) | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1973 | ||||||||||||||
| Total resources | 10000000000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W007003 |
CHERMETTE, A., 1973, SPATH-FLUOR: METAL SERVICE, P. 38
, 1972, INDUSTRIAL MINERALS, NO 60, SEPT '72, P. 37
1969 GEOLMAP KENYA GEOLOGICAL SURVEY, J. WALSH
1974 GEOLMAP U. OF NAIROBI, NYAMBOK AND GACIRI
CHERMETTE, A., 1973, SPATH-FLUOR: P. 38. 1970, 1971, 1972 MINERALS YEARBOOK V. III P. 471, 505, 503 RESP.
CHERMETTE, A., 1973, SPATH-FLUOR: P. 38
| Subject category | Comment text |
|---|---|
| Deposit | DEPOSIT TYPE INFERRED |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1975 | Schruben, Paul G. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.