(BKM) Belknap Mountains Ring Complex -- White Mountains, New Hampshire
Title
(BKM) Belknap Mountains Ring Complex -- White Mountains, New Hampshire
Collection Items
Syenite
coarse grained, with large tabular slabs of float
Gabbro
contains clots of black spheroids
Trap shenite breccia
fine grained trap with abundant fragments of brecciated syenite
Syenite
coarse grained
Vent agglomerate dike
with pink syenite xenoliths
Granite
fine grained
Diorite
brecciated
Monzodiorite
abundant dark xenoliths
Quartz syenite
porphyritic, pink, coarse grained
Syenite ignimbrite dike
banded, pink to gray color, sharp contact, some hydrothermal alteration has ocurred
Quartz syenite dike
contact with wall rock is sharp and with very thin, chilled margin