Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5199
EASTING   573426     NORTHING   6057104     ZONE   14     DATUM   NAD83
Date of mapping    08/07/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 169 81

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
porphyritic
biotite - muscovite bearing

Field Description:

-lenticular biotite and quartz segregations 2 x 5 mm (maximum)
-feldspar porphyritic texture not as obvious with much lower % of phenocrysts (around 5 to 10 %)
-muscovite forms same 2 to 3 mm megacrysts

Minerals of Note
Mineral Abundance (%)
magnetite


Manitoba Geological Survey, 2017