Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6565
EASTING   572751     NORTHING   6041299     ZONE   14     DATUM   NAD83
Date of mapping    08/08/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 73 71

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss

Field Description:

-highly variable contorted sheared gneiss
-appears to be dominantly "CWB" with some areas that appear to be a mixture of CWB and WJC
-there are trains of baudins of massive grey GRDR slightly discordant to foliation plane
-deformation is severe with extremely disharmonic folding producing a swirling marble cake texture
-there are 2 Molson dikes of moderate mag. variety both of which show distinct 050 degree fabric
-one is a 20 cm bifuricating dike, 2nd is 10 cm


Manitoba Geological Survey, 2017