Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6237
EASTING 558702 NORTHING 6032769 ZONE 14 DATUM NAD83
Date of mapping 06/26/1986

STRUCTURAL DATA

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
seriate porphyritic
biotite
Field Description:

-slightly less sheared, excellent preservation of the zoning in plagioclase phenocrysts up to 5 cm across
-interestingly enough, the rock is also microcline megacrystic, although the population of microcline MEGA is smaller in number and in size
-plag. zonation often indicated by quartz and BO

Manitoba Geological Survey, 2017