Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6141
EASTING   569439     NORTHING   6047235     ZONE   14     DATUM   NAD83
Date of mapping    06/16/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 284 68

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss

Field Description:

-compositionally layered and banded; highly schlieren, light grey leucotonalite
-strong cataclastic fabric
-well developed quartz-microcline augen and plagioclase augen
-highly schlieric
-appears to be composed of CWT TNLT, grey GRDR, old PGMT with a few very recognizable supracrustal remanents all mafic or amphibolitic,
-outcrop is cut by late 15 to 20 cm planar pegmatites
-their attitudes are variable, but generally in a north-south direction
-the pegmatites are primative CWT quartz poor BO pegmatites
-zoning is absent


Manitoba Geological Survey, 2017