Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5556
EASTING   572445     NORTHING   6046839     ZONE   14     DATUM   NAD83
Date of mapping    07/08/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
mylonitic layering 297 62

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 297 62

PETROLOGIC DATA

Rock Number: 1

Rock Type: gneiss
Descriptors:
layered
MLNT

Field Description:

-sample of probable pegmatite 1.5 m thick reduced to glassy mylonite
-layered mylonite gneiss made up of layers of GRDR, pegmatite, mafic volcanic, and volcanic derived seds
-volcanics appear to be inclusions in the GRDR which was cut by peg.

Rock Number: 2

Rock Type: basalt
Descriptors:
pillowed

Field Description:

-just south of main ridge of outcrop is area of BO-TL pegmatite in and including cataclastic basaltic amphibole


Manitoba Geological Survey, 2017