Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5561
EASTING   573833     NORTHING   6046640     ZONE   14     DATUM   NAD83
Date of mapping    07/08/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 271 71

PETROLOGIC DATA

Rock Number: 1

Rock Type: siltstone
Descriptors:
schistose
felsic

Field Description:

-large reef of odd sediments (?)
-they look like various siltstones with differing grain sizes and mafic contents, but there is also a control layer that somewhat resembles an altered rhyolite ala Snow Lake
-sample a-rhyolite looking layer
-sample b and c-two more mafic siltstone layers
-everything is so flattened and schistose I can't make any judgement on origin or primary layering directions
-there are interbeds or mafic basaltic seds up to 1 m


Manitoba Geological Survey, 2017