Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6169
EASTING   574085     NORTHING   6044151     ZONE   14     DATUM   NAD83
Date of mapping    06/20/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 50 86

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
schistose
leucocratic

Field Description:

-similar to camp GRDR
-injection of late GRNT material
-schlieren GRDR and pegmatitic lite/pops?? in equigranular with a size range from 1.5 to 3.5 mm
-GRDR weathers buff grey but shows extensive 'pinking' at this location especially at the joints
-(thermal)
-5 cm late planar pegmatite veining, cross cuts foliation plane but generally follows it
-mass tourmaline aggregates in core of peg. veins


Manitoba Geological Survey, 2017