stripes
Occurrence number:
031-00-013
Country:
Canada
Region:
British Columbia
Location:
Longitude: -131.58, Latitude: 59.25
Carbonatite:
No
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.
Location: