Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6504
EASTING   569269     NORTHING   6044769     ZONE   14     DATUM   NAD83
Date of mapping    07/31/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 54 37

-very heavy hematite coating on joint surfaces esp. those that parallel the valley

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
massive
biotite

Field Description:

-dominant Rock type is dark grey weathering young grey GRDR, charcoal grey fresh surface
-a few old aplitic 'lit', highly deformed represents 65 - 70 % of exposure
-there are small (around 5cm x 15 cm) schleric inclusions

Rock Number: 2

Rock Type: granodiorite
Descriptors:
schlieric or schlieren present
leucocratic

Field Description:

-30 to 35 % of exposure is massive to slightly schleric foliated 'camp' GRDR
-once again intrusive relationships are obvious in 'club camp'
-a distinctly younger rock which intrudes the young grey GRDR


Manitoba Geological Survey, 2017