Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5104
EASTING 574391
NORTHING 6041282
ZONE 14
DATUM NAD83
Date of mapping 07/08/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
gneissosity | 47 | 64 |
Rock Number | Type | Width (m) | Strike | Dip |
---|---|---|---|---|
2 | Molson dike | 0.00 | 307 | 86 |
PETROLOGIC DATA
Rock Number: 1
-extremely complex, highly deformed agmatized complex gneissic granodiorite surrounding numerous inclusions of the old unit 5 gabbro complex
Rock Number: 2
-continuation of the major Molson dike
-hangingwall contact fairly defined
-Footwall contact not exposed
-Estimated thickness 65 m. The dike appears to be narrowing sharply
-only central regions have cumulate layering
-there is no leuco-gabbro phase.
-chill margins on the hanging wall is aphanitic for 60 cm
-there is a 40 cm converging dike exposed 2 m above the main contact
-sample of hanging wall chill right at contact
Manitoba Geological Survey, 2017