Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6543
EASTING   570272     NORTHING   6038558     ZONE   14     DATUM   NAD83
Date of mapping    08/07/1986

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
mylonitic layering 309 71

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 57 60
fracture cleavage 146 86 sinistral

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss

Field Description:

-major rock is CWB augen (mega) BO TNLT (CI=5) Quartz 25 %
-this is extensively intruded by at least one early and one late (but sheared) peg. and numerous dikes of the massive grey GRDR
-one area of grey past GRDR
-late pegs cut both GRDR, are pink, ungened?? BO-MC-QZ pegs.
-early TNLT-PEG-GRDR layering folded and transformed by 057 degrees


Manitoba Geological Survey, 2017