Erosion of carbonate alteration
pillow lava
tourmaline-po-quartz veins
cherty sediments
altered mafic volcanics
"chicken feed"
chert with sericite
altered mafic-ultramafic rocks: talc, carbonate-quartz
fuchsite-quartz-carbonate-tourmaline
alteration adjacent to diorite intrusion
contact alteration of diorite
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