Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5404
EASTING 575763 NORTHING 6060382 ZONE 14 DATUM NAD83
Date of mapping 06/13/1984

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
bedding | 237 | 90 | N

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 237 | 90 |
fault | 253 | 82 | dextral

Linear Structures
Type | Plunge | Azimuth
clast elongation | 0 | 0

-highly attenuated section-probably 10:1 flattening MINOR TACHYLITE

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
trough cross-bedding
lithic
Field Description:

-same sequence of trough cross bedded yellow brown wackes-quartz rich (55%) with dominant lithic fragment matrix 1 to 3% quartz granules
-cross beds average 30 cm thick with aberage 195 cm length at 2 to 5 degree angles (after attenuation)
-trough pebble fill is dominantly sediment clasts with <5% granitoid-probably unit (1) 15 to 20% mafic clasts and mudstones
-no iron formation clast noted

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

Manitoba Geological Survey, 2017