Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5144
EASTING 575187
NORTHING 6040736
ZONE 14
DATUM NAD83
Date of mapping 07/15/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
gneissosity | 55 | 84 |
PETROLOGIC DATA
Rock Number: 1
-dark grey mafic rock heavily injected with aplite veins and then sheared beyond recognition.
-now is hornblende-biotite gneiss with numerous aplite augen and boudins
Mineral | Abundance (%) |
---|
garnet |
Rock Number: 2
-odd textured 3 m. sill of red granitic aplite with scattered blocky microcline and 2 - 10 cm tourmaline
-patches of true pegmatite distributed almost randomly across body
Mineral | Abundance (%) |
---|
garnet |
biotite |
Manitoba Geological Survey, 2017