Alkaline Rocks and Carbonatites of the World

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Kalokopon (Kalakopon)

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Occurrence number: 
085-00-012
Country: 
Kenya
Location: 
Longitude: 36.32, Latitude: 1.98

Kalokopon is a trachyte volcano at least 15 km in diameter that is largely concealed beneath flood basalts, lavas from the Namarunu volcano (No. 085-00-013) and Quaternary sediments. The succession includes trachyte flows, some of them feldspar-phyric, and welded tuffs.

Age: 
K-Ar on a trachyte lava gave 4.4(0.2 Ma.
References: 
KEY, R.M. 1987b. Geology of the Maralal area. Report, Geological Survey of Kenya, 105: 1-93.
Location: 
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith