Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6498
EASTING   566779     NORTHING   6044317     ZONE   14     DATUM   NAD83
Date of mapping    07/30/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 61 41

PETROLOGIC DATA

Rock Number: 1

Rock Type: gneiss
Descriptors:
cataclastic
biotite-garnet bearing

Field Description:

-beige weathering with dark grey fresh surface
-numerous granitic lit sheared into fol. plane
-homo-equi grey gneiss with BO sheathed GR and an olive green mineral (poss DP) as well as silvery flakes of MV and glassy black BO
-low QZ (15%?)
-has the resinous look of a high grade metamorphic rock (possibly even retro-granulite) but the location is all wrong!!
-no layering--don't think it was supracrustal

Minerals of Note
Mineral Abundance (%)
muscovite
diopside


Manitoba Geological Survey, 2017