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
-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
-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
Mineral | Abundance (%) |
---|
muscovite |
biotite |
apatite |
Manitoba Geological Survey, 2017