Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6118
EASTING 560971 NORTHING 6027251 ZONE 14 DATUM NAD83
Date of mapping 06/14/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 14 | 48 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: gneiss
Descriptors:
schlieric or schlieren present
Field Description:

-multicomponent schlieric gneiss
-oldest rock is a dark grey (CI = 12) BO-GRDR with past or porb. augen texture
-medium 1 to 1.5 mm grain size
-this includes BO schlieren and ampb. inclusions
-it was foliated, injected by white TNLT lit, intruded by medium grained to aplitic red quartz-granite (QZ-25-30 with rare pegs, deformed, intruded by late red MG-rich pegmatites, deformed
-ampb could be anything - some have greenish - yellow EP-CL-BO agg. after a mafic and have waxey grey feldspar--> could be remnants of granulite rocks but no certainty here

Manitoba Geological Survey, 2017