Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 86
STATION 6519
EASTING 582672
NORTHING 6064767
ZONE 14
DATUM NAD83
Date of mapping 08/02/1986
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
cataclastic foliation | 61 | 83 |
-note this outcrop is highly sheared so I have no idea how much bed thickness attenuation has happened to bed thickness, it is relative for comparison only
PETROLOGIC DATA
Rock Number: 1
-grey quartz rich phyllitic schist - probably a siltstone
-occurs as beds up to 1 m thick
-Dense layers of knotted MB - may have had aluminosilicate
Rock Number: 2
-sheared C.L.G. poly conglomerate in 1 to 3 m beds
-rusty grey weathering
-identifiable clasts: quartz pebbles, white tonalite, felsic volcanic, ampb (2mm x 20 cm) and pick clasts (dominant type?)
-largest clasts are grey to white TNLT
-some clasts may have been high level feld. porphyry
Mineral | Abundance (%) |
---|
garnet |
Rock Number: 3
-light grey sandstone - massive beds 2 to 4 m thick
-traces of highly flattened cross beds.
Manitoba Geological Survey, 2017