Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5048
EASTING   571219     NORTHING   6040458     ZONE   14     DATUM   NAD83
Date of mapping    06/23/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
gneissosity 61 71

PETROLOGIC DATA

Rock Number: 1

Rock Type: two component schlieric gneiss - intimate mixture of 2 major units
Descriptors:
pink and grey coloured
leucocratic
porphyritic
augened

Field Description:

-pink and grey weathering augen gneiss
- magnetite porphyroblasts up to 4mm - most weather out leaving small pits in outcrop
-distinct areas of younger porphyritic granodiorite

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
porphyroblast magnetite 0.0 0.4

Minerals of Note
Mineral Abundance (%)
magnetite


Manitoba Geological Survey, 2017