Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5063
EASTING 570351
NORTHING 6038110
ZONE 14
DATUM NAD83
Date of mapping 06/25/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 79 | 49 | |
fault | 246 | 75 |
Rock Number | Type | Width (m) | Strike | Dip |
---|---|---|---|---|
0 | pegmatite | 0.25 | 201 | 49 |
Type | Plunge | Azimuth |
---|---|---|
microcrenulation | 71 | 306 |
rodding | 0 | 0 |
Rodding is stretching and rolling of augen.
Pegmatites are quartz-plagioclase-microcline with minor biotite - some are sheared out almost completely.
PETROLOGIC DATA
Rock Number: 1
-same medium grained beige-grey granodiorite with amphibolite and sediment xenoliths
-deformation extreme
-20% injected tonalitic aplitie lit
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
mafic mineral | amphibole | 0.0 | 0.0 | 15.0 | % |
groundmass grainsize | 0.0 | 1.0 | mm |
Manitoba Geological Survey, 2017