Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5579
EASTING   578901     NORTHING   6060086     ZONE   14     DATUM   NAD83
Date of mapping    07/12/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 234 90

PETROLOGIC DATA

Rock Number: 1

Rock Type: basalt
Descriptors:
pillowed
hornblende bearing

Field Description:

-series of highly flattened pillowed and massive flows, deformation too high to identify breccias
-the basalt sequence is cut by a number of gabbro dikes
-the S hall of the outcrop is all coarse, homogeneous, equigranular gabbro

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
hornblende-plagioclase bearing

Field Description:

-old high level gabbro, typical of mafic rocks intruded into the base of greenstone belts


Manitoba Geological Survey, 2017