#ThinSectionThursday can't take the strain: diopside with stripey deformation lamellae, in marble, from the weird NW Paragneisses of Iona. http://pic.twitter.com/VR3QZOmHK0
— John Faithfull (@FaithfullJohn) August 10, 2017
via Twitter https://twitter.com/FaithfullJohn
August 10, 2017 at 11:18PM
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