Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6338
EASTING 570214 NORTHING 6051106 ZONE 14 DATUM NAD83
Date of mapping 07/10/1986

STRUCTURAL DATA

-very small outcrop in swamp-most in pegmatite with skin of SNDS at and underwater

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
feldspathic
Field Description:

-grey massive quartz poor 25 to 30 % dirty sandstone
-beds > 1m (the total exposure!)
-Rare CLCC baudins or concretion
-numerous pegmatitic lit

Rock Number: 2

Rock Type: pegmatite
Field Description:

-2 to 3 cm exposed of quartz poor white pegmatite with beige megacrysts of MC upto 40 cm
-non graphic but with scattered quartz inclusions
-BO>MV
-apatite are a pretty aquamarine colour and euhedral up to 1.5 cm
-dike lies in an E-W direction with sheared (slightly) margins

Minerals of Note
Mineral | Abundance (%)
muscovite
biotite
apatite

Manitoba Geological Survey, 2017