Cross Lake Project (1983-86)

Geologist    P.G. Lenton     Year    84     STATION    5451
EASTING   572467     NORTHING   6055298     ZONE   14     DATUM   NAD83
Date of mapping    06/23/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 121 82

Dikes and Sills:
Rock Number Type Width (m) Strike Dip
0 Molson dike 0.12 174 73

-dominant direction of bedding - deformation high so only estimate
-photo
1. general sandstone
2. pelite layer
3. injection

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
layered
psammitic

Field Description:

-dominantly massive outcrop of grey to beige psammite with a few 15 to 100 cm beds of semi-pelite, 15% injection of coarse granodiorite with tourmaline + garnet plus pegmatite
-sandstone appears more feldspathic than previous psammites has MV and may have been cross bedded
-semi-pelitic layers are crammed with muscovite-knots

Minerals of Note
Mineral Abundance (%)
sillimanite
tourmaline

Manitoba Geological Survey, 2017