Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5058
EASTING 563328 NORTHING 6054848 ZONE 14 DATUM NAD83
Date of mapping 06/24/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 81 | 44 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
megacrystic
20% intrusive lit
gneissic
Field Description:

-20 % anastomosing beige granodiorite lit
-hornblende crystals up to 3 mm
-starting to develop good gneissic segregation of mafic and felsic components.

Textural Features
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit
mafic mineral | hornblende | 1.0 | 3.0 | 7.0 | mm
mafic mineral | biotite | 0.0 | 0.0 | 7.0 | mm
phenocryst | plagioclase | 0.0 | 0.0 |  |

Minerals of Note
Mineral | Abundance (%)
plagioclase

Manitoba Geological Survey, 2017