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