Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 84
STATION 5575
EASTING 577931
NORTHING 6059864
ZONE 14
DATUM NAD83
Date of mapping 07/11/1984
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 44 | 75 |
PETROLOGIC DATA
Rock Number: 1
-unusual texture to the rock
-generally it's the normal qpp but the central area of outcrop has an intricate alteration network associated containing it
-the veining seems to be hornblende bearing
-in general the rock has an inhomo character containing erratic distribution of phenocrysts
-the alteration does not look to be strictly a tectonic point
-this maybe a dacite breccia
-this location is all dacite but the island 100 feet away has dacite in contact contains mafic rocks
-this hamybe a pneumatolitic breccia or possibly a crackle breccia on a dome
-there is extensive carbonate veining
Manitoba Geological Survey, 2017