Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6395
EASTING   563946     NORTHING   6047539     ZONE   14     DATUM   NAD83
Date of mapping    07/19/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 36 59

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
biotite-plagioclase bearing

Field Description:

-highly sheared, fisslie sedimentary ampb,
-much of it appears to have been the HB-greywacke of the lower cycle along with some sandy textured psammitic wackes
-the sediment was intruded by grantitic veins before being sheared... mayby layered granite GRCK-gneiss
-there are also mafic-layered-ampb which may have been basalt or basalt derived sediment
- SAMPLE A layered greywacke
SAMPLE B ampb.


Manitoba Geological Survey, 2017