Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5527
EASTING 568582 NORTHING 6052260 ZONE 14 DATUM NAD83
Date of mapping 07/01/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 255 | 81 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: pyroxenite
Descriptors:
massive
Field Description:

-most of island on west side is coarse pyroxenite Molson phase
-eastern contact with GRNT not exposed
-around 55 m exposed
-coarse 2 pyroxene ultramafic, high MG altered to hornblendite

Minerals of Note
Mineral | Abundance (%)
magnetite

Rock Number: 2

Rock Type: granite
Descriptors:
aplitic
Field Description:

-more 5525 style gr. granite
-has looks like layered granite, aplite, pegmatite
-sample saccharoidal leuco-granite
-I will return later and spend more time

Minerals of Note
Mineral | Abundance (%)
garnet

Manitoba Geological Survey, 2017