Alkaline Rocks and Carbonatites of the World

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Zhusalinskii

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Occurrence number: 
084-00-014
Country: 
Kazakhstan
Location: 
Longitude: 66.43, Latitude: 50.23

The Zhusalinskii intrusion is situated in North Ala-Tayu. It comprises two small massifs of alkaline gabbroids. The northern intrusion is some 450 m in length the southern 120 m. The southern intrusion consists of shonkinite porphyries, with rather less olivine shonkinites. The northern massif is composed mostly of essexite and shonkinite, but there is some mica peridotite.

Age: 
K-Ar on biotite gave 360 Ma (Nurlibayev and Panchenko, 1968).
References: 
NURLIBAYEV, A.N. and PANCHENKO, A.G. 1968. Alkaline and subalkaline rocks of Northern Kazakhstan and Kirgizia. Izd-vo Nauka Kazakskoi SSR, Alma-Ata. 100-7.
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