Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5454
EASTING   571900     NORTHING   6054532     ZONE   14     DATUM   NAD83
Date of mapping    06/23/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 211 83 SE

-deformed and folded, dominant top is to SE
-folds dominantly S symmetry but are disharmonic

PETROLOGIC DATA

Rock Number: 1

Rock Type: greywacke
Descriptors:
psammitic

Field Description:

-true Burntwood style turbidite greywacke
-laminated psammite dominant but does have beds of muscovite rich pelite
-calcsilicate layers 5 to 15 cm thick are all over the place
-this looks like any low mobillisate Burntwood I've ever seen including the pinhead pink garnet in the psammite

Minerals of Note
Mineral Abundance (%)
muscovite
garnet

Rock Number: 2

Rock Type: granodiorite
Descriptors:
pegmatitic

Field Description:

-15% of outcrop is grey to beige coarse to pegmatitic injection lit

Minerals of Note
Mineral Abundance (%)
biotite
tourmaline


Manitoba Geological Survey, 2017