Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 86
STATION 6337
EASTING 574247
NORTHING 6049685
ZONE 14
DATUM NAD83
Date of mapping 07/10/1986
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 87 | 59 | |
fracture cleavage | 201 | 63 |
-stump joint/shear slt.
PETROLOGIC DATA
Rock Number: 1
-good sample of adamellite for analysis including REE
-very leucocratic with 1/10% BO + .5% MV
-dissemination of pinkish re 1 to 2 mm GR
-TL particularly abundant in pegs. that cut outcrop but is also dissemination in granite
-One strong joint altered?? but otherwise outcrop is massive
-pegs not common in NS plane
-granite is quartz rich - 35 to 40 % but pegs are feldspathic with 5 to 15 % free quartz
Mineral | Abundance (%) |
---|
muscovite |
tourmaline |
garnet |
biotite |
Manitoba Geological Survey, 2017