Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5611
EASTING   578272     NORTHING   6063463     ZONE   14     DATUM   NAD83
Date of mapping    07/19/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 236 83

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
schlieric or schlieren present
leucocratic

Field Description:

-light grey weathering TNLT as at previous station with a 15 m zone of ULML and mylonite
-the shear is heavily intruded by quartz veins which are also mylonitized
-development of pseudotacilite is quite spectacular (WOW!!)
-SAMPLE A :is a sheared TNLT
-SAMPLE B :is ULML

PHOTOS
1. is mylonitic quartz vein
2-4. are general

Minerals of Note
Mineral Abundance (%)
magnetite


Manitoba Geological Survey, 2017