#ThinSectionThursday 🤩 look at these quartz overgrowth cements, with the ghosts of original round detrital quartz grains within, from the late Cretaceous Lochaline Sandstone. pic.twitter.com/KWqILjd5yX
— John Faithfull (@FaithfullJohn) October 11, 2018
via Twitter https://twitter.com/FaithfullJohn
October 11, 2018 at 11:20PM
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