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:
Layering type | Strike | Dip | top Direction
bedding | 273 | 80 |

Linear Structures
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

Rock Type:
Field Description:

-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

Minerals of Note
Mineral | Abundance (%)
garnet
tourmaline
muscovite

Manitoba Geological Survey, 2017