Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    85     STATION    6053
EASTING   566173     NORTHING   6047394     ZONE   14     DATUM   NAD83
Date of mapping    06/15/1985

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 224 87

-both units intruded by coarse red quartz poor pegmatite
-so far no evidence for proisterite development
-margins of dike are anastomosing and lobate

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
basaltic composition

Field Description:

-discontinuous, HB-EP ampb
-streaky
-probably derived from basalt
-pitted, weathering and granofels characteristic of highly flattened pillowed units

Rock Number: 2

Rock Type: gneiss
Descriptors:
massive
biotite-garnet bearing

Field Description:

-homogeneous equigranular, fine grained grey quartz rich rock
-texture of a psammite but is unlayered
-it may be a fine grained grey GRNT


Manitoba Geological Survey, 2017