Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6547
EASTING 570852 NORTHING 6039069 ZONE 14 DATUM NAD83
Date of mapping 08/07/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 85 | 70 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
augened
biotite
Field Description:

-essentially MCSG but 90 % of outcrop is old grey porphyry TNLT
-quartz 30 %
-15 to 20 % grey-white feldspar megas to 5 mm in 1 to 1.5 mm matrix
-numerous old GRNT/Peg. dikes and 2 generations of younger pink pegs.-one quartz poor z feldspar and deformed, second QZ-MC planar dikes
-numerous schlieren, some small ampb inclusions
-rare dikes of young grey GRDR

Manitoba Geological Survey, 2017