Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5615
EASTING   578860     NORTHING   6065095     ZONE   14     DATUM   NAD83
Date of mapping    07/19/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 53 80
fault 28 72 sinistral

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
porphyritic
biotite - hornblende bearing

Field Description:

-microclined phenocrysts from 2x5 mm up to 8x10 mm
-relativly rare only 1% of outcrop
-several amphobolitic inclusions largely reduced to mafic scholen
-early pegmatite lit largely disrupted and augened
-the shear fabric is not as penetrative leaving some of the original igneous character to the rock
-HB is a minor phase occuring as rare 3 mm crystals


Manitoba Geological Survey, 2017