Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5573
EASTING   577800     NORTHING   6059460     ZONE   14     DATUM   NAD83
Date of mapping    07/11/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 226 89

PETROLOGIC DATA

Rock Number: 1

Rock Type: feldspar - quartz porphyry
Descriptors:
cataclastic
DCIT

Field Description:

-greenish beige weathered surface, charcoal grey on fresh surface
-15 % rectangular feldspar pheno, 1 % 2 to 3 mm oval grey quartz phenocrysts
-rock is heavily sheared, wiht attended chlorite sericite alteration
-phenocrysts seems to have polymodal size distribution
-some quartz phenocrysts retain good termination
-one shear has a rusty gossan dissociated unit


Manitoba Geological Survey, 2017