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