Alkaline Rocks and Carbonatites of the World

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

Ubaganskii West

stripes

Occurrence number: 
084-00-002
Country: 
Kazakhstan
Location: 
Longitude: 64.9, Latitude: 52.92
Carbonatite: 
No

The Ubaganskii intrusion has an elliptical form, elongated east-west, and is 2.5 km2 in area. It is composed of solvsbergites containing phenocrysts of orthoclase, aegirine, riebeckite and biotite each of which may comprise between 2% and 14% of the rock. Secondary albite and carbonate form 2.5-3.5% and accessories include magnetite and fluorite.

Age: 
252 Ma.
References: 

KSENOFONTOV, O.K. 1966. On alkaline intrusions of the Mugodyar and Turgaisky flexures. Scientific notes of the Hertzen Institute, Leningrad, Nedra, 290: 140-61.

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