Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5462
EASTING   574536     NORTHING   6059967     ZONE   14     DATUM   NAD83
Date of mapping    06/24/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 196 86 W

-topping west

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
festoon bedding

Field Description:

-still in uniform festooned sands moving up section there is a distinct increase in quartz content
-at this location about 65% approaching protoquartzite
-uniform well sorted festoon beds occur as one to 1.5 m units separated by quartz rich festoon bedded pebbly lithic arenites between 10 and 50 cm thick
-two 10 cm pellitic horizons rich in muscovite are separated by
1 m of clean sand

SAMPLE
A -sandstone
B -semipelite
C -pelite

Minerals of Note
Mineral Abundance (%)
garnet
muscovite


Manitoba Geological Survey, 2017