Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5044
EASTING   570939     NORTHING   6041140     ZONE   14     DATUM   NAD83
Date of mapping    06/23/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
gneissosity 3 68

PETROLOGIC DATA

Rock Number: 1

Rock Type: two component schlieric gneiss - intimate mixture of 2 major units
Descriptors:
porphyritic
leucocratic
pink colour
grey
layered
cataclastic
augened
boudinaged

Field Description:

-layered pink and grey gneiss
-more cataclastic than last 2 or 3 stations
- megacrysts are shaltered and irregular and starting to augen
-Mobilizate lit are starting to boudinage and roll.

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
mafic mineral biotite 0.0 0.0 4.0 mm
phenocryst plagioclase 0.0 0.0

Minerals of Note
Mineral Abundance (%)
biotite


Manitoba Geological Survey, 2017