Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5032
EASTING 569525
NORTHING 6041999
ZONE 14
DATUM NAD83
Date of mapping 06/22/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
gneissosity | 348 | 59 |
PETROLOGIC DATA
Rock Number: 1
-well layered gneiss with moderate development of microcline augen up to 2 cm that must represent remnants of megacrysts from pegmatitic lit.
-boudinage common
Rock Number: 2
-sample of injected lit of GRDR around
- 20 % of exposure is younger charcoal coloured massive intrusive unit
-not porphyritic at this locality
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
mafic mineral | biotite | 0.0 | 0.0 | 15.0 | mm |
groundmass grainsize | 0.0 | 0.6 | cm |
Mineral | Abundance (%) |
---|
biotite |
Manitoba Geological Survey, 2017