Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5152
EASTING 575729
NORTHING 6049133
ZONE 14
DATUM NAD83
Date of mapping 07/20/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 256 | 88 |
Type | Plunge | Azimuth |
---|---|---|
microcrenulation | 66 | 72 |
DIKE ANDERSON A-91
-local magnetic anomaly-24 degree variation in compass when 2" from outcrop to 3' above
PETROLOGIC DATA
Rock Number: 1
-dominantly highly stretched pillows with minor intermediate volcaniclastic sediments up to 1 m. thick
-dike intrusive into pillow unit only
-** sample of main dike contact for thin section to check for exomorphic effect
Rock Number: 2
-tourmalinized margin
-moderate to heavy shearing in foliation
-minor beryl in largely clevelandite+microcline+quartz
-quartz strung out in foliation plane and highly shattered
-small tourmalinized inclusions strung out in foliation plane
-potassium feldspar dark blue grey
Mineral | Abundance (%) |
---|
beryl |
cleavelanditic albite |
Manitoba Geological Survey, 2017