Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5185
EASTING 573814
NORTHING 6057276
ZONE 14
DATUM NAD83
Date of mapping 08/05/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
cataclastic foliation | 354 | 87 |
PETROLOGIC DATA
Rock Number: 1
-20 %, 5 to 7 mm, pink feldspar phenocrysts, roughly equant although they are slightly rolled in the foliation
-numerous minor mylonitic zones where closely spaced extension zones where closely spaced extension zones have formed between the shear planes, with intoduction of quartz in the low pressure zones
-muscovite is very fine grained, probably represents around 1 % of rock
-the shear fabric appears to be parallel to the dominant schistocity
Mineral | Abundance (%) |
---|
magnetite |
Manitoba Geological Survey, 2017