Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5183
EASTING   574060     NORTHING   6057667     ZONE   14     DATUM   NAD83
Date of mapping    08/05/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 161 88
cataclastic foliation 339 88

-cross fabric in granite 201/85 defined by biotite schist and alignment of feldspar phenocrysts

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
porphyritic
biotite

Field Description:

-variable 20 to 25 % pink feldspar phenocrysts (commonly augened by late cataclastic fabric)
-north end has several quartz veins with tourmaline rims
-extremly magnetite rich locally
-epidote +/- chlorite common on shear planes

Minerals of Note
Mineral Abundance (%)
magnetite


Manitoba Geological Survey, 2017