Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6412
EASTING    0     NORTHING    0     ZONE   14     DATUM   NAD83
Date of mapping    07/20/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 65 78

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
megacrystic
hornblende bearing

Field Description:

-same as last station although lacks the 13 cm average size megacrysts--just 6 to 8 cm plag. in a matrix of 1 cm plag. in coarse black hornblende
-mo MG in either unit

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
melanocratic

Field Description:

-just at water line-irregular layer of black medium grained
-homo-equi gabbro
-contact deformed but relativly flat (planar)


Manitoba Geological Survey, 2017