Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5201
EASTING 573265
NORTHING 6056962
ZONE 14
DATUM NAD83
Date of mapping 08/07/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 142 | 80 |
-contact between granite and sediments
foliation parallels contact
PETROLOGIC DATA
Rock Number: 1
-strongly feld. porphyritic with no quartz phenocrysts
-not much muscovite (<1%)
-now a light grey colour
-Possible contamination by assimilation although the contact with country rocks is razor sharp although it wanders according to joint pattern in supracrustals
Mineral | Abundance (%) |
---|
magnetite |
Rock Number: 2
-also sandstone
Manitoba Geological Survey, 2017