Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6442
EASTING   563483     NORTHING   6039545     ZONE   14     DATUM   NAD83
Date of mapping    07/25/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 52 78

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
megacrystic
biotite

Field Description:

-very coarse model grey-white weathering
-35% mega averaging 2 cm but up to 6 cm
-the 050 degree fabric is distinctly CATA but is deforming an earlier around 278 degrees SC that has both BO and MC-mega aligned
-quartz 25%
-most MEGA show inclusion and colour zonation
-ther are several veins of blue quartz that appear to intrude the 270 degrees but are folded by the 050 degrees


Manitoba Geological Survey, 2017