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