Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5193
EASTING   573492     NORTHING   6057698     ZONE   14     DATUM   NAD83
Date of mapping    08/07/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 173 80
fracture cleavage 144 88
fracture cleavage 173 69

-there is a weak biotite cross fabric at 221/73

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
porphyritic
biotite - muscovite bearing

Field Description:

-quartz phenocrysts are up to 3 % while feldspar phenocrysts represent 25 %
-coarse alteration has a more patchy character, not visibly connected to specific fractures
-feldspar phenocrysts lack appreciable alignment


Manitoba Geological Survey, 2017