Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5134
EASTING   575174     NORTHING   6041585     ZONE   14     DATUM   NAD83
Date of mapping    07/13/1983

STRUCTURAL DATA

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened

Field Description:

-highly sheared old granodiorite
-contains many schlieren and small inclusions of amphibolite
-intruded by near horizontal pegmatites

Rock Number: 2

Rock Type: pegmatite

Field Description:

-1 to 2 m near horizontal dikes of sheared granitic pegmatites
-rich in magnetite it also contains unknown mineral
-weather greenish brown (khaki)
-greenish black vitreous with conchoidal fracture
-rectangular columner with quadrilateral cross section
-brown streak
-magnetic
-possible illmenite or ferrorutile


Manitoba Geological Survey, 2017