Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5191
EASTING   573408     NORTHING   6057665     ZONE   14     DATUM   NAD83
Date of mapping    08/07/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 168 90
fracture cleavage 140 89
fracture cleavage 281 88

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
porphyritic
biotite - muscovite bearing

Field Description:

-quartz eyes up to 3 mm are common
-foliation is not as prominent as other locations
-shearing producing the fracture cleavages has shattered and partially obliterate the feldspar phenocrysts
-both fracture cleavage directions are associated with hematitic staining and hydrothermal alteration

Minerals of Note
Mineral Abundance (%)
magnetite


Manitoba Geological Survey, 2017