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Collection: (BC) Boulder Creek Batholith -- Colorado
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Sillimanite gneiss
Quartz monzonite
slight iron staining, somewhat less leucocratic than other local features
Quartz monzonite
medium-coarse grained
Quartz monzonite
possibly quartz monzonite porphyry
Quartz monzonite
Quartz monzonite
Pyroxenite
identification uncertain
Pegamtitic pod
Mafic inclusion
many inclusions in long pods or streamers
Mafic inclusion
contains light feldspar strings and knots
Granodiorite
quartz monzonite facies
Granodiorite
porphyroblastic
Granodiorite
from satalitic pluton
Granodiorite
darker than average facies
Granodiorite
Granodiorite
migmatitic with many feldspar strings and diklets
Granodiorite
somewhat more leucocratic than normal
Granodiorite
Granodiorite
Granodiorite
somewhat foliated
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