Browse Items (22 total)

  • Collection: (BKM) Belknap Mountains Ring Complex -- White Mountains, New Hampshire

with pink syenite xenoliths

fine grained trap with abundant fragments of brecciated syenite

banded, pink to gray color, sharp contact, some hydrothermal alteration has ocurred

coarse grained, with large tabular slabs of float

coarse grained

contact with wall rock is sharp and with very thin, chilled margin

porphyritic, pink, coarse grained

abundant dark xenoliths

fine grained

coarse grained, porphyritic

contains clots of black spheroids

brecciated

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