Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 86
STATION 6123
EASTING 559021
NORTHING 6026659
ZONE 14
DATUM NAD83
Date of mapping 06/14/1986
STRUCTURAL DATA
Layering type | Strike | Dip | top Direction |
---|---|---|---|
inclusion layering | 305 | 76 |
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 14 | 44 |
-photos of contact of old augen GRDR and young PORT GRDR
-foliation and layering (schlieren) direction in rock 1 and intrusion plane of rock 2 in rock 1
PETROLOGIC DATA
Rock Number: 1
-dark grey weathering with blue grey feld. augens
-20% quartz
-highly foliated and schlieric
-this is the old augen GRDR as per previous station
-has characteristic nubbly weathering texture
-this is intruded by younger rock 2 or multiple sills and becoming dominant rock to south
Rock Number: 2
-mottled beige and grey feldspar (MC) porphritic GRDR
-has weak foliation and pheno. alignment (fol#1)
-small slivers of rock 1 became nebulous schlieren
-larger blocks are relativly undisturbed
-pheno variable from 2 to 6 % at 7 to 10 mm with rare 15 mm
-roughly equant to elongate carlsbad twinned
Manitoba Geological Survey, 2017