Browse Items (25 total)

  • Collection: (WCM) Acadian Regional Metamorphism Suite -- Massachusetts

cummingtonite-poor, brownish-green hornblende dominated

meatmorphosed peraluminous volcanic rock

contains melt-like aggregates

other minerals found include sillimanite, kyanite, and corundum

cordierite-bearing

coarse-grained

pillow lava metamorphosed to zone 2

cordierite-bearing

orthoclase is concentrated in watery clear megacrysts with crushed borders

aluminous

thin oxide crust

bedded, coarse
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