Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5009
EASTING   568234     NORTHING   6044647     ZONE   14     DATUM   NAD83
Date of mapping    06/18/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
gneissosity 71 62

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
gneissic
leucocratic

Field Description:

-non-porphritic with good gneissic layering
-no evidence of grey granodiorite
-Several biotite - plagioclase - quartz pegmatites parallel to gneissosity (3-20 cm thick)
-Cataclastic texture not as obvious- very few augen

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


Manitoba Geological Survey, 2017