Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6491
EASTING   566442     NORTHING   6042718     ZONE   14     DATUM   NAD83
Date of mapping    07/28/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 342 71

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
schlieric or schlieren present
biotite

Field Description:

-Grey TNLT to GRDR
-about 5%-10% variable white GRDR lee
-deformation extreme
-not sure which unit this is ... maybe the old massive grey GRDR

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
melanocratic

Field Description:

-one large baudin-shaped inclusion, .5 x 2 m of black HB -gabbro or hornblendite
-a few mafic HB schlieren surrounding it


Manitoba Geological Survey, 2017