Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5070
EASTING 571331
NORTHING 6038736
ZONE 14
DATUM NAD83
Date of mapping 06/25/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
cataclastic foliation | 72 | 81 |
PETROLOGIC DATA
Rock Number: 1
-same major rock type as much of shore
-hornblende looks to be somewhat lineate
-Granitoid lit abundant along shear planes and are extensivly boudinaged
-Minor areas of possible "old tonalite gneiss".
Mineral | Abundance (%) |
---|
hornblende |
Rock Number: 2
-Appears to be remnants of the mafic dike sequence encountered previously.
-Appears to be cut by younger coarse grained, slightly megacrystic white granodiorite.
-distinct plagioclase phenocrysts
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
mafic mineral | hornblende | 0.0 | 0.0 | 35.0 | mm |
groundmass grainsize | 1.0 | 3.0 | |||
phenocryst | plagioclase | 0.0 | 0.0 |
Manitoba Geological Survey, 2017