Alkaline Rocks and Carbonatites of the World

Funded by HiTech AlkCarb - New geomodels to explore deeper for Hi-Tech critical raw materials in Alkaline rocks and Carbonatites

Atsutla Range

stripes

Occurrence number: 
031-00-013
Country: 
Canada
Region: 
British Columbia
Location: 
Longitude: -131.58, Latitude: 59.02

Several peralkaline dykes up to a metre thick have been described from the central part of the Atsutla Range. The dykes are banded and contain abundant, zoned spherulites up to 6 mm in diameter of alkali feldspar, albite, quartz, riebeckite and aegirine. Rock analyses are available.

References: 
MATHEWS, W.H. and WATSON, K.D. 1953. Spherulitic alkali rhyolite dikes in the Atsutla Range, northern British Columbia. American Mineralogist, 38: 432-47
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith