Eudialyte and Bastnäsite Samples
By Geology, Geophysics, and Geochemistry Science Center
March 2014 (approx.)
Detailed Description
Sample of eudialyte (pink) within layered vein consisting of quartz, albite, and sodic amphibole, Dora Bay, Alaska. Size of sample is 11 by 9 cm. Sample of coarse-grained, tabular bastnäsite within matrix of ferruginous dolomite, Birthday Claim, Mountain Pass, California. Photographs by Philip Verplanck, U.S. Geological Survey. SIR 2010-5070-J
Sources/Usage
Public Domain.
USGS Scientific Investigations Report 2010-5070-J
Photo was used on the cover of USGS Scientific Investigations Report 2010-5070-J A Deposit Model for Carbonatite and Peralkaline Intrusion-Related Rare Earth Element Deposits.