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
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 14 | 48 |
PETROLOGIC DATA
Rock Number: 1
-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