Accretionary lapillus Kilchrist, Isle of Skye. Produced inside a lofting co-ignimbrite plume which evolved into concentric layers after falling into a PDC.
Resorbed quartz crystal in mLT Kilchrist, XP field of view 4mm
My Supervisor Dr Davie Brown (www.davidjbrown.org.uk) on a large outcrop of massive crystal tuff (mCT) just below the summit of Ben Suirdal, Kilchrist 2009.
