Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5424
EASTING   569405     NORTHING   6043857     ZONE   14     DATUM   NAD83
Date of mapping    06/17/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 93 81

Linear Structures
Type Plunge Azimuth
mineral lineation 33 102

-pitch 33 degrees E in plane 286/83

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
cataclastic
leucocratic

Field Description:

-Clearwater Bay Complex tonalite/granodiorite with strong cataclastic fabric, minor augening, and distinct rodding of quartz aggregates and plagioclase augen
-cut by numerous 30 cm to 1 m dikes of deformed simple quartz-plagioclase-microcline-biotite pegmatite
-quartz content elevated over norm to around 45%
-no inclusions


Manitoba Geological Survey, 2017