Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 86
STATION 6569
EASTING 572789
NORTHING 6043900
ZONE 14
DATUM NAD83
Date of mapping 08/09/1986
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 56 | 59 |
PETROLOGIC DATA
Rock Number: 1
-dominant rock is light grey, slighly PORT-TNLT to GRDR
-this is leucocratic
-QUARTZ 25 %
-contains 5% white feldspar phenocrysts up to 5 mm
-this is probably a reasonably well preserved old AUGN-TNLT
-matrix grain size is 1.5 mm
-this is intruded by coarse grained pegmatitic white LEUC-TNLT with 30 % smoky grey to black Quartz
-other intrusive phases include white GRDR, apalite, late pink PGMT, and young massive grey GRDR
-sample is of the TNLT
Manitoba Geological Survey, 2017