Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5610
EASTING 577850 NORTHING 6062705 ZONE 14 DATUM NAD83
Date of mapping 07/19/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 232 | 85 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
augened
leucocratic
Field Description:

-grey white schlieric gneiss showing a recrystallized cataclastic texture
-the rock looks PORT but the 'phenocrysts' are actually microcline augen that are remnants of sheared PGMT veinlets
-there are numerous highly flattened and recrystallizated mafic inclusions
-some reduced to mafic schlieren
-there appears to be only one dominant phase intruded by numerous small pegmatite reduced to felsic schollen

Minerals of Note
Mineral | Abundance (%)
biotite
magnetite

Manitoba Geological Survey, 2017