Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 84
STATION 5553
EASTING 573458
NORTHING 6046815
ZONE 14
DATUM NAD83
Date of mapping 07/07/1984
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
cataclastic foliation | 281 | 58 |
PETROLOGIC DATA
Rock Number: 1
-sample duplicates for analysis
-pervasive cataclastic fol. with scattered 1 cm mylonite seams
-quartz 30%
-may have been feld. porphyry
-not same unit as WJC or CWB intrusives
-clean, no inclusions or schlieren
-white quartz veins with blocky to smoky margins
-rare veinlets of pink feldpar and quartz (not really pegmatitic) upto 5 cm
Rock Number: 2
-looks like pink leuco-aplite dike around 55 cm wide
-cross cuts foliation but is foliated in same direction-ie it intruded during cataclasis
Manitoba Geological Survey, 2017