Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6244
EASTING   558731     NORTHING   6035474     ZONE   14     DATUM   NAD83
Date of mapping    06/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 11 80

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened
biotite

Field Description:

-still unit 9d, but a textural change to a pink-grey weathering, seriate porphyritic rock
-about same comp., but groundmass is much finer
-quartz content may be somewhat lower
-most MEGA reduced to oval augen
-discrete shear zones invaded by granitic apalite and then rehearsed
-abundant pegmatitic lee have been injected in the shear plane in the GRDR
-joint surfaces show extensive HM staining
-no inclusions noted at this station


Manitoba Geological Survey, 2017