Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5027
EASTING   568925     NORTHING   6042614     ZONE   14     DATUM   NAD83
Date of mapping    06/20/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 295 70

-crosscutting pegmatite vein set at NE-SW
-1.5 m quartz-microcline-biotite dike in foliation plane

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
augened
leucocratic
gneissic fabric
boudinaged

Field Description:

-strong parallel gneissic segregation both baudinage and augening of peg. veinlets

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
mafic mineral biotite 0.0 0.0 6.0 mm

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
occurs as a raft
1 by 15 metre size
boudinaged

Field Description:

-large boudinaged bodies 1 m x 10 to 15 m.

Minerals of Note
Mineral Abundance (%)
hornblende
epidote


Manitoba Geological Survey, 2017