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Photomicrographs of highly metamorphic transformations in PPL. Bt: biotite; Chl: chlorite; Mca: micas; Wmca: white micas; Pl: plagioclase; Prh: prehnite; Px: pyroxene. A: Basalt-andesitic lava flow from La Perle creek (BT13); B: Dacitic lava flow from a dome south of Rifflet (BT17); C: Rhyodacitic lava flow from Rifflet creek (BT16); D: Debris flow from Amandiers beach (BT1).
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