#ThinSectionThursday mystery! Can any alk. REE fiends identify this twinned Langesundfjord min 4 me? With hiortdahlite, bi-ap-albite-zircon? http://pic.twitter.com/V3heS6U67x
— John Faithfull (@FaithfullJohn) June 29, 2017
via Twitter https://twitter.com/FaithfullJohn
June 29, 2017 at 04:23PM
No comments:
Post a Comment