Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6251
EASTING   556745     NORTHING   6034359     ZONE   14     DATUM   NAD83
Date of mapping    06/27/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 42 81

Minor Folds
Type Symmetry Strike Dip Plunge Azimuth
similar fold Z 42 81 0 0

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
porphyritic
leucocratic

Field Description:

-slightly schlieric
-layering by lit injection of peg 2 cm thick
-white weathering with dark grey fresh surface
-fine grained matrix with 10% of 5 mm white feld. phenocrysts
-pheno. population varies randomly from near 0 to 15%
-layering flat lying-low dip to NNE
-no inclusions

Minerals of Note
Mineral Abundance (%)
biotite


Manitoba Geological Survey, 2017