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Feldspar Group from
Yatta Plateau, Kitui County, Kenya


Locality type:Plateau
Classification
Species:'Feldspar Group' (not an IMA approved species)
Age information
Maximum recorded age:13.2 Ma
Minimum recorded age:13.2 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
113.2 MaMiocene - K-Ar
Sample references:
1 -
Baker, B. H., Williams, L. A. J., Miller, J. A., & Fitch, F. J. (1971). Sequence and geochronology of the Kenya rift volcanics. Tectonophysics, 11(3), 191-215. doi.org/10.1016/0040-1951(71)90030-8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Yatta Plateau, Kitui County, Kenya
Data Identifiers
Mindat Occurrence Record ID:1427527
Long-form Identifier:1:3:1427527:6
GUID (UUID V4):5873db47-e52d-4c1c-a4b7-9cb6eaba0b88
References
Dodson, R. G. (1953). Geology of the South-east Machakos Area: Degree Sheet 52, SE Quadrant (with Coloured Map) (No. 25). Government Printer.
Fairburn, W. A. (1963). Geology of the North Machakos-Thika Area: Degree Sheet 52 NW, with Coloured Geological Map (No. 59). Geological Survey of Kenya.
Sanders, L. D. (1963). Geology of the Voi-South Yatta area. Rept. Geol. Surv. Kenya, 54.
Walsh, J. (1963). Geology of the Ikutha area. Report. Geological Survey of Kenya, 56.
Baker, B. H., Williams, L. A. J., Miller, J. A., & Fitch, F. J. (1971). Sequence and geochronology of the Kenya rift volcanics. Tectonophysics, 11(3), 191-215. doi.org/10.1016/0040-1951(71)90030-8
Reference Search (possible matching items)
Selley, Richard C., Cocks, L. Robin M., Plimer, Ian R. - Eds. (2005) Encyclopedia of Geology Vol. 3. Elsevier.
Book (volume)
Vendian skel etal fauna of the Arroyo del Soldado Group, Uruguay. Beringeria 23: 55 91. Hamilton WB (1998)...northwest of the Himalayas. The sapphires are found in feldspar pegmatites or in gravels derived from the pegmatites...rock. Gemstones found in granite include quartz, feldspar, and tourmaline, but often the crystals are not...pegmatite areas include the Pala area of San Diego County in California, the Nuristan area of Afghanistan...marble formed by the metamorphism of limestone. Kenya rubies (Mangari area of the Tsavo West National
 
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