Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6591
EASTING   573124     NORTHING   6056763     ZONE   14     DATUM   NAD83
Date of mapping    08/11/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 179 86

PETROLOGIC DATA

Rock Number: 1

Rock Type: quartz diorite
Descriptors:
massive
hornblende bearing

Field Description:

-homo equi salt and pepper quartz diorite
-2 to 4 % quartz
-HB black
-slightly lineate
-extensive anastomosing alteration, quartz-carbonate veins and vague feldspathic alteration

Rock Number: 2

Rock Type: gneiss
Descriptors:
quartz-feldspar

Field Description:

-extremly altered
-Cross Lake group sandstones
-alteration increases steadily up to quartz diorite
-alteration completly obliterates sed. layering
-sample 30 cm from quartz diorite


Manitoba Geological Survey, 2017