Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5628
EASTING 577499 NORTHING 6049863 ZONE 14 DATUM NAD83
Date of mapping 07/21/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 75 | 85 |

-in fault contact with siltstones and eastern sands

PETROLOGIC DATA

Rock Number: 1

Rock Type: greywacke
Descriptors:
massive
mafic
Field Description:

-massive featureless amphibolitic rock-has a fissility but no visible bedding
-looks volcanic but weathers odd-looks like material on north shore of Spod.
-is opposite A-6 dike (trench)
-has suggestion of thin pelitic horizons chopped up by the intense schistosity--probably some massive layers and some fine laminated arenite/SCSN layering
-

Minerals of Note
Mineral | Abundance (%)
amphibole

Rock Number: 2

Rock Type:
Field Description:

-no description in field notes

Rock Number: 3

Rock Type: greywacke
Descriptors:
bedded
psammitic
Field Description:

-fairly typical of Burnt Wood type psammite

Manitoba Geological Survey, 2017