Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5058
EASTING   563328     NORTHING   6054848     ZONE   14     DATUM   NAD83
Date of mapping    06/24/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 81 44

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
megacrystic
20% intrusive lit
gneissic

Field Description:

-20 % anastomosing beige granodiorite lit
-hornblende crystals up to 3 mm
-starting to develop good gneissic segregation of mafic and felsic components.

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
mafic mineral hornblende 1.0 3.0 7.0 mm
mafic mineral biotite 0.0 0.0 7.0 mm
phenocryst plagioclase 0.0 0.0

Minerals of Note
Mineral Abundance (%)
plagioclase


Manitoba Geological Survey, 2017