Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 85
STATION 6068
EASTING 575509
NORTHING 6044407
ZONE 14
DATUM NAD83
Date of mapping 06/20/1985
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 335 | 40 |
Type | Plunge | Azimuth |
---|---|---|
boudin axis | 30 | 86 |
PETROLOGIC DATA
Rock Number: 1
-layers of mafic HB-BO wacke and felsic quartz rich sandstone
-mafic wack is near ampb with 15 to 25 % mafics
-quartz poor it is a feldspathic wacke
-weathers dark brownish black with charocoal fresh surface--some HB crystals in feldspathic segregations
-minor TL to 3 to 4 mm
-quartz rich layers are laminated on cm scale and are quartz rich, feldspar poor, leucocratic (CI=1-2) and weather beige with blue grey fresh surface
-extensive PG on cross fraction??
Mineral | Abundance (%) |
---|
hornblende |
tourmaline |
Rock Number: 2
-pink coarse granitic layers with irregular peg. pods and isolated large KF megacrysts
-show extensive baudinage
Mineral | Abundance (%) |
---|
tourmaline |
Manitoba Geological Survey, 2017