Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5695
EASTING   571546     NORTHING   6063064     ZONE   14     DATUM   NAD83
Date of mapping    07/30/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 39 58
fault 287 82

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
schistose
biotite

Field Description:

-grey hackly weathering slightly more mafic TNLT
-very strong BO SC
-not truly similar to CWB dt?? more closly resembles the old grey GRDR
-cut by QZ poor BP pegmatites and numerous APLT's

Rock Number: 2

Rock Type: granite
Descriptors:
aplitic
leucocratic

Field Description:

-large irregular folded dikes up to several metres wide
-pink fine grained LEUCO GRNT
-margins are generally APLT and the cores have small patches of PGMT or isolated blocky crystals of microcline


Manitoba Geological Survey, 2017