Cross Lake Project (1983-86)

Geologist    P.G. Lenton     Year    83     STATION    5065
EASTING   570646     NORTHING   6038004     ZONE   14     DATUM   NAD83
Date of mapping    06/25/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 73 73
fault 243 62

Minor Folds
Type Symmetry Strike Dip Plunge Azimuth
similar fold Z 0 0 22 253

minor fold: inter-limb angle 85°; amplitude 10 cm

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
cataclastic
40 % intrusive or mobilized lit
augened

Field Description:

-40% injested granite lit extrusive augening and baudinage of lit

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
mafic mineral hornblende 0.0 0.0 mm

Rock Number: 2

Rock Type: sediments / sedimentary schist
Descriptors:
layered
mafic
occurs as a raft
4 by 20 metres
epidote veins
amphibolite

Field Description:

-Mafic metagreywacke with numerous epidosite veins or layers and thin amphibolitic horizons.
-may have trace tourmaline-can't really tell it from hornblende here
-Very similar to material at far north of main lake.

Minerals of Note
Mineral Abundance (%)
epidote
hornblende

Manitoba Geological Survey, 2017