Alkaline Rocks and Carbonatites of the World

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

Batpak

stripes

Occurrence number: 
084-00-046
Country: 
Kazakhstan
Location: 
Longitude: 79.77, Latitude: 48.12
Carbonatite: 
No

The 30 km2 Batpak intrusion is situated in the Chingis-Tarbagatai region and is composed of peralkaline quartz syenites. These consist of microcline perthite, albite-oligoclase, quartz, riebeckite, aegirine and biotite with an abundance of accessory minerals including magnetite, ilmenite, titanite, zirkelite, orthite, apatite, zircon, rutile, monazite, thorite and fluorite. Dykes are of aplite and granite porphyry.

References: 

PUTALOVA, R.B. 1968. Accessory minerals of alkaline rocks of the Prechingiz area. In J.E. Smorchkov (ed) Accessory minerals of the eruptive rocks. 218-23. Nauka, Moscow.

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