Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5423
EASTING 568573 NORTHING 6043593 ZONE 14 DATUM NAD83
Date of mapping 06/17/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 293 | 82 |
fault | 232 | 71 |

-cataclastic direction; also direction of 1 m Molson Dike

PETROLOGIC DATA

Rock Number: 1

Rock Type: gneiss
Descriptors:
mafic
Field Description:

-most of island is a mass of volcanic amph. with dikes of intrusive
-most is a laminated but 2 layers around 2 m thick look like they were pillowed

Minerals of Note
Mineral | Abundance (%)
garnet

Rock Number: 2

Rock Type: granodiorite
Descriptors:
pegmatitic
Field Description:

-pegmatitic patch grey white leuco-granodiorite
- muscovite in late secondary
-largely sheared anastomosing stringer system
-probably syn-intrusive derived pegmatites

Minerals of Note
Mineral | Abundance (%)
garnet
muscovite

Manitoba Geological Survey, 2017