Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5407
EASTING   576224     NORTHING   6060653     ZONE   14     DATUM   NAD83
Date of mapping    06/13/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 69 87

-two photos of tightly spaced mylonite seams looking 069 degrees

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
pebbly
lithic

Field Description:

-exstreme flattening and tight isoclinal intrafolial folds combined with pervasive mm scale mylonites have largely obliterated bedding features.
-shears are commonly spaced less than a cm apart, occasionally containing minor gossans
-clast abundance

SAMPLE A: cross bedded quartz rich wacke

Minerals of Note
Mineral Abundance (%)
garnet
muscovite


Manitoba Geological Survey, 2017