Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5625
EASTING   577506     NORTHING   6050080     ZONE   14     DATUM   NAD83
Date of mapping    07/21/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 204 89 W

Planar Structures:
Structure type Strike Dip Separation
schistosity 40 78

Minor Folds
Type Symmetry Strike Dip Plunge Azimuth
similar fold Z 40 78 72 168

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
laminated
psammitic

Field Description:

-light grey and dark grey with beige sandy layers
-laminated fine sand up to very fine silt occasional granule basis on graded units
-lamination from mm scale to max. bed thickness of 15 cm
-grading excellent
-appears to be very quartz rich but is so fine grained can't be seuer??
-same layers proto quartz

Minerals of Note
Mineral Abundance (%)
garnet

Rock Number: 2

Rock Type: CLCR
Descriptors:
laminated

Field Description:

-2m of laminated siltstone and spongy green and red calcarenite
-highly folded
-this unit preferentially intruded by grey to blue green quartz veins
-this overlies 1
-** what is rock 2 composition (?????)


Manitoba Geological Survey, 2017