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

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 56 | 59 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss
Descriptors:
leucocratic
Field Description:

-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