Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6229
EASTING   560315     NORTHING   6034214     ZONE   14     DATUM   NAD83
Date of mapping    06/25/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 233 72

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
schlieric or schlieren present
leucocratic

Field Description:

-grey white weathering slightly porphyritic
-old CWB TNLT
-highly schlieric with a few mafic inclusions
-strong foliation
-numerous pegmatite seams with very large 3x6 cm tourmaline
-discontinuous seams, irregular to podiform and quartz rich
-probably related to late deformation hydro thermal activity


Manitoba Geological Survey, 2017