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