Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6374
EASTING   567546     NORTHING   6040993     ZONE   14     DATUM   NAD83
Date of mapping    07/14/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 304 74

Minor Folds
Type Symmetry Strike Dip Plunge Azimuth
similar fold Z 0 0 24 134

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
garnet-biotite bearing

Field Description:

-finely bedded grey sandy textured mafic sed.
-1 to 3 mm pink GT-quartz aggregates disseminated thru-out
-contains thin ampb layered comprising feldspar-carb-fibrous dark GR ampb and deep red garnet

Rock Number: 2

Rock Type: GSSN

Field Description:

-extensive development of hematite-sulphate gossen
-this gossen appears to lie in foliation plane and has a deep weathering profile
-late coarse pegmatite cuts across gossen but shows some alteration and Fe-staining
-PY appears to be the only sulphide

Minerals of Note
Mineral Abundance (%)
pyrite


Manitoba Geological Survey, 2017