Cross Lake Project (1983-86)

Geologist    P.G. Lenton     Year    84     STATION    5541
EASTING   570845     NORTHING   6056181     ZONE   14     DATUM   NAD83
Date of mapping    07/05/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 223 72

Planar Structures:
Structure type Strike Dip Separation
schistosity 223 72

PETROLOGIC DATA

Rock Number: 1

Rock Type: greywacke
Descriptors:
schistose
psammitic

Field Description:

-back into the grey Burntwood style psammites containing coarse, diopsidic calcsilicate layers
-does not have the arkosic appearance of previous station

Minerals of Note
Mineral Abundance (%)
garnet
muscovite
sillimanite

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive

Field Description:

-major Molson dike intruded parallel to foliation and layering
-E contact exposed but not the W, around 30 to 35 m of dike is exposed
-textures are typical with internal development of cumulate layering
-gabbro is very common indicating moderatly to highly hydrous magma

Minerals of Note
Mineral Abundance (%)
magnetite

Manitoba Geological Survey, 2017