
Photomicrograph of gray orthopyroxene grain overprinted by brown-green hornblende indicating early granulite facies metamorphism overprinted by a later stage of amphibolite facies metamorphism
Originally uploaded in Integrating Research and Education:Montana Geoheritage Project:Montana Geoheritage Sites.
Image 350410 is a 656 by 960 pixel WebP
Uploaded:
Nov11 24