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