Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5102
EASTING 574001 NORTHING 6040868 ZONE 14 DATUM NAD83
Date of mapping 07/08/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
gneissosity | 83 | 77 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: two component schlieric gneiss - intimate mixture of 2 major units
Field Description:

-Granodiorite based 50 % injected lit

Rock Number: 2

Rock Type: pyroxenite
Descriptors:
massive
Field Description:

-boudined
-A 4 m boudin of agmatized gabbro complex comprised mainly of massive dark olive-green pyroxenite with lesser amounts leuco-gabbro-weather rusty brown
-fresh surface shows trace disseminations of pyrite and pyrrhotite

Minerals of Note
Mineral | Abundance (%)
pyrite
pyrrhotite

Manitoba Geological Survey, 2017