Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 84
STATION 5466
EASTING 573697
NORTHING 6060420
ZONE 14
DATUM NAD83
Date of mapping 06/24/1984
STRUCTURAL DATA
Layering type | Strike | Dip | top Direction |
---|---|---|---|
bedding | 273 | 80 |
Type | Plunge | Azimuth |
---|---|---|
clast elongation | 83 | 92 |
-multiple small mylonites with a general trend of 060 degrees
-dip near vertical
PETROLOGIC DATA
Rock Number: 1
-whole island is all cross bedded and festooned sands of the feldspathic variety containing thin trough channel conglomerate and pebble pavements
-clasts are polymictic with an abundance bull quartz
-a few fine grained tonalite but predominantly sedimentary clasts
-mafic clasts are rare
-small mafic clasts are extensivly tourmalinized
-one bed of conglomerate has numerous small rhyolite clasts
Mineral | Abundance (%) |
---|
garnet |
tourmaline |
muscovite |
Manitoba Geological Survey, 2017