Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 85
STATION 6019
EASTING 574864
NORTHING 6043859
ZONE 14
DATUM NAD83
Date of mapping 06/10/1985
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 50 | 58 |
Rock Number | Type | Width (m) | Strike | Dip |
---|---|---|---|---|
0 | vein | 0.00 | 154 | 77 |
-heavy alteration-potassic- granite goes to pink MC+QZ+MV
PETROLOGIC DATA
Rock Number: 1
-rock change-grey seriate or bimodal porphyry
-large 1 to 2 cm MC phenos and 3 to 4 mm phenos of plagioclase?(+/-MC)
-looks like (somewhat) grey porphyry but has no visable FL
-grain size down to 0.5 mm
-quartz down to 30 %, BO up 1 % and phenocrysts are larger
-where sheared in augen GRNT
-schlieren and nebulite appearing
-sample B in of potassic alteration veins
Manitoba Geological Survey, 2017