Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5490
EASTING 576458 NORTHING 6041724 ZONE 14 DATUM NAD83
Date of mapping 06/28/1984

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
metamorphic layering | 56 | 84 |

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 56 | 84 |

-shoreline is all GRDR with rafts of volcanics

PETROLOGIC DATA

Rock Number: 1

Rock Type: basalt
Descriptors:
pillowed
Field Description:

-greenish-blacke weathering, highly deformed but still obvious pillowed unit
-epidosite cores and selvages

Rock Number: 2

Rock Type: greywacke
Descriptors:
psammitic
Field Description:

-grey with white lit
-looks like Burntwood psammite
-no garnet
-heavily sheared
-contact with basalt looks conformable but deformation is too high to be sure of anything

Rock Number: 3

Rock Type: granodiorite
Descriptors:
augened
biotite
Field Description:

-typical of Whiskey Jack granodiorite - 3 to 5% phenocrysts in leucocratic matrix
-shearing augens phenocrysts and causes matrix to go waxey grey

Manitoba Geological Survey, 2017