Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6186
EASTING   559135     NORTHING   6024275     ZONE   14     DATUM   NAD83
Date of mapping    06/21/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 231 87
fault 94 90 dextral

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss
Descriptors:
augened

Field Description:

-highly schlieric augen cataclasite
-in general the rock is of GRDR TNLT composition
-tectionic mixing has left the fairly homogenous streaked gneiss with numerous feldspar-quartz augen from older pegmatites
-there are rare amphibolite inclusions
-late 40 cm pegmatites cut the foliation at a low angle are planar and unfolded but have a fracture cleavage developed in the 50 plane


Manitoba Geological Survey, 2017