Alkaline Rocks and Carbonatites of the World

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Tokailuashu (Bulak-Ashu)


Occurrence number: 
Longitude: 73.77, Latitude: 42.17

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.

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.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith