Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 84
STATION 5522
EASTING 567695
NORTHING 6051164
ZONE 14
DATUM NAD83
Date of mapping 07/01/1984
STRUCTURAL DATA
Layering type | Strike | Dip | top Direction |
---|---|---|---|
bedding | 62 | 88 |
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 62 | 88 |
-whale back ridge with 1.5 m of white pegmatites along the spine
PETROLOGIC DATA
Rock Number: 1
-well bedded and laminated psammites with abundant CLCC layers boudinaged
-CLCC have diopside cores (sometimes single crystals up to 15 cm) with hornblendic rims (see photos)
-deformation in bedding is parallel with a lot of intrafolial folding CLCC and boudinage
-extensive quartz veining with TL
-SAMPLE B is CLCC margin with DP-AP+calcite
-peg. on spine is simple QZ-white MC-BO-GR-AP-/+TL
Mineral | Abundance (%) |
---|
garnet |
muscovite |
tourmaline |
Rock Number: 2
-around 2 m exposed at SE corner of outcrop
-dark grey-black weathering sandy textured rock with 2x4 mm HB crystals (subhedral)
-vague lamination seems to be in conformable contact with GRCK
Manitoba Geological Survey, 2017