Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5571
EASTING   577959     NORTHING   6059349     ZONE   14     DATUM   NAD83
Date of mapping    07/11/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 226 85

PETROLOGIC DATA

Rock Number: 1

Rock Type: basalt

Field Description:

-same grey amphibolitic rock, a basalt or basaltic andesite composition
-here it is massive grey, highly sheared, contains five to 10 % oval to equant, fine grained quartz feldspar segregations
-once again they do not look like amygdules
-deformation is extreme but it appears the south side is pillowed and north side massive, possibly to some sedimentary interbeds
-extensive quartz carbonate veining with bull quartz veins up to 1 m
-20 cm mafic dike parallel foliation-not Molson

Minerals of Note
Mineral Abundance (%)
garnet


Manitoba Geological Survey, 2017