Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6559
EASTING   573416     NORTHING   6041745     ZONE   14     DATUM   NAD83
Date of mapping    08/08/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 46 77

Dikes and Sills:
Rock Number Type Width (m) Strike Dip
0 Molson dike 1.00 243 77

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss

Field Description:

-tectonically homogenized mixture of augen TNLT leuco GRDR, mafic BO Schlieren, various pegmatites and possibly grey GRDR as a minor constituent
-augen TNLT appears to be dominant but highly variable in distribution

Rock Number: 2

Rock Type: diabase

Field Description:

-two Molson dikes both showing strong fabric
-definitly of Hi-MAG. variety
-NW dike is 1 m; SE is 4 m
-generally follow trend of foliation but with opposing dips, larger dike has a very irregular contact
-chill margins well developed

Minerals of Note
Mineral Abundance (%)
magnetite


Manitoba Geological Survey, 2017