Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5403
EASTING 575647 NORTHING 6060281 ZONE 14 DATUM NAD83
Date of mapping 06/11/1984

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
bedding | 236 | 86 |

-photo of tachylyte seam

PETROLOGIC DATA

Rock Number: 1

Rock Type: wacke
Field Description:

-sheared feser kiesel wacke with 1 to 3 % quartz granule content
-numerous pseudotachylite seams showing injection of rock flows along divergent lower pressure fractures (see photo)

Minerals of Note
Mineral | Abundance (%)
sillimanite
garnet

Rock Number: 2

Rock Type: conglomerate
Field Description:

-scattered layers of matrix supported conglomerate and pebbly wacke beds

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

Manitoba Geological Survey, 2017