Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6242
EASTING   558996     NORTHING   6034197     ZONE   14     DATUM   NAD83
Date of mapping    06/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 61 85

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
seriate porphyritic
biotite

Field Description:

-# mega over 5 mm now down to 4 to 5 %
-MEGA still poikliolitic and well zoned
-groundmass a medium grained, 30% GRDR similar to WJC GRDR with pearly grey feldspar surrounded by grey quartz
-deformed later apalite and pegmatite dikes cut outcrop in a general last-west plane
-fabric is much stronger, crushing of augens to mega


Manitoba Geological Survey, 2017