Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5082
EASTING   572607     NORTHING   6039513     ZONE   14     DATUM   NAD83
Date of mapping    06/30/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 243 88

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
cataclastic
possible volcanic rock

Field Description:

-volcanic(?) amphibolite, highly intruded
-Minor sediment component in dominantly volcanic amphibolite.
-Supracrustals took up much of the shearing and deformation in strong intrafolial fold sets.

Rock Number: 2

Rock Type: pegmatite
Descriptors:
dike
granitic
cataclastic
young phase / unit

Field Description:

-sheared younger dikes

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
raft size in metres 0.3 2.2 m

Minerals of Note
Mineral Abundance (%)
biotite
potassium feldspar
garnet


Manitoba Geological Survey, 2017