Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5078
EASTING 572140
NORTHING 6039140
ZONE 14
DATUM NAD83
Date of mapping 06/27/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
cataclastic foliation | 228 | 80 |
PETROLOGIC DATA
Rock Number: 1
-augen cataclastic gneiss - has both tonalite and granodiorite intensely mixed.
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
mafic mineral | biotite | 0.0 | 0.0 | 7.0 | mm |
groundmass grainsize | 0.0 | 1.0 | mm |
Rock Number: 2
-2 m x 4 m raft of massive mafic rock - gabbro or quartz diorite -can't be sure of quartz content but may be 5 to 10 %
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
mafic mineral | hornblende | 0.0 | 0.0 | 35.0 | % |
groundmass grainsize | 0.5 | 1.0 | mm | ||
raft size in metres | 2.0 | 4.0 | m |
Mineral | Abundance (%) |
---|---|
quartz | 7.0 |
hornblende | |
biotite |
Manitoba Geological Survey, 2017