Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5057
EASTING 563586
NORTHING 6054835
ZONE 14
DATUM NAD83
Date of mapping 06/24/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 79 | 59 |
PETROLOGIC DATA
Rock Number: 1
-coarse dark grey (light grey weathering) tonalite with plagioclase megacrysts up to 1 cm (average 6 mm) and 2 to 3 mm hornblende crystals
-extensively veined by late beige homogeneous equigranular granodiorite.
-slight trace of magnetite
-late anastomosing pink granite vein network
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
phenocryst | plagioclase | 5.0 | 10.0 | ||
mafic mineral | hornblende | 2.0 | 3.0 | mm |
Mineral | Abundance (%) |
---|---|
biotite | |
magnetite | -1.0 |
Manitoba Geological Survey, 2017