Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 86
STATION 6319
EASTING 566803
NORTHING 6048018
ZONE 14
DATUM NAD83
Date of mapping 07/09/1986
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 291 | 28 |
PETROLOGIC DATA
Rock Number: 1
-White weathering, medium grained, quartz rich, peristerite GRDR
-very vague BO schlieren and numerous white pegmatitic lee give the outcrop a layered appearance
-has tiny red disseminated, HB patches 1 cm across, probably part of the peristerite complex, but this is not a unit I have encountered before
-a white quartz rich PGMT contain Gr
-BO is the only mafic
-in general, this rock is whiter and more leucocratic than any other unit in this complex
-it has a very slight tendancy towards porphyritic
-slight dissemination of white phenocrysts up to 6 mm
Manitoba Geological Survey, 2017