Alkaline Rocks and Carbonatites of the World

Setup during HiTech AlkCarb: an online database of alkaline rock and carbonatite occurrences

Tokailuashu (Bulak-Ashu)

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Occurrence number: 
086-00-002
Country: 
Kyrgyzstan
Location: 
Longitude: 73.77, Latitude: 42.17
Carbonatite: 
No

The 17 km2 sub-volcanic intrusion of Tokailuashu is emplaced in late Ordovician sediments and is located south of the Kolbashinskii volcanic field (No. 1). The rocks consist of augite, aegirine-augite and aegirine peralkaline syenites, melasyenite, syenite porphyry, monzonites and shonkinites. Dyke rocks include peralkaline syenite pegmatite and lamprophyres. The country rocks are granitoids and volcanics.

References: 

BAGDASROV, E.A., ORLOVA, M.P. and KOZYREV, V.I. 1974. Rare and trace elements of alkaline gabbroids and basalts of the North Tyan-Shan. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva., 6: 682-94.
GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.

Map: 
Fig. 2_89. Distribution of alkaline igneous rocks in the area of Central Asia.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith