Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5631
EASTING 577621 NORTHING 6049757 ZONE 14 DATUM NAD83
Date of mapping 07/21/1984

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
bedding | 21 | 84 | W

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 86 | 82 |

-HB-DORT disappeared abruptly, probably folded back into bush
-PHOTO-cross beds

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
crossbedded
lithic
Field Description:

-feldspar-quartz sand with lithic fragments (mainly granule but some small pebble) of dominantly grey siltstone (see sample)
-has trough deposits of granule size material and rare pebble troughs
-rare garnetiferous semi-pelite layers 10 to 30 cm thick
-numerous pseudatachylite seams, mainly parallel to foliation
-CLCC concretions common

Minerals of Note
Mineral | Abundance (%)
muscovite
garnet

Manitoba Geological Survey, 2017