Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6466
EASTING 546891 NORTHING 6022778 ZONE 14 DATUM NAD83
Date of mapping 07/26/1986

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
inclusion layering | 172 | 78 |

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 41 | 53 |

-photos 1, 2 general
-photo 3 glomerocryst
-photo 4 gabbro layer

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
glomeroporphyritic
megacrystic
Field Description:

-layered series of mega gabbro with 30 cm megacrysts and glomerocrysts upto 1 m with layers from 50 cm to > 4 m of fine grained black meso HB gabbro
-megas shattered and partially annealed

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
mesocratic
Field Description:

-featurless salt and pepper gabbro

Manitoba Geological Survey, 2017