Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5572
EASTING   578178     NORTHING   6059420     ZONE   14     DATUM   NAD83
Date of mapping    07/11/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 236 85

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
massive
mesocratic

Field Description:

-a-course phase b fine grained sheared old GBBR sith some fine grained dike phases and irregular areas of medium grained
-old gabbro pegmatite
-extensive alteration to CC associated with webwork of QZ-CC veins
-looking at this I believe much or all of basalt at 5570 is fine grained phase gabbro
-QZ-CB veins weather out in freshnet pattern that resembles pillow selvages

Minerals of Note
Mineral Abundance (%)
garnet


Manitoba Geological Survey, 2017