Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 85
STATION 6070
EASTING 575217
NORTHING 6043769
ZONE 14
DATUM NAD83
Date of mapping 06/20/1985
STRUCTURAL DATA
Layering type | Strike | Dip | top Direction |
---|---|---|---|
bedding | 34 | 33 |
PETROLOGIC DATA
Rock Number: 1
-sandy textured mafic wacke with a knotted HB-PG texture and feldspathic layers reminiscent of deformed pillows, but there are areas of preserved cm-scale bedding plus interbeds of rock 2 so it is probably a volcanic wacke
Mineral | Abundance (%) |
---|
garnet |
Rock Number: 2
-2 m bed of cm laminated beige-tuff weathering feldspathic sandstone
-HB main mafic - content varies from 2 % to 15 % between layers although mafic layers are < 1 cm
-layering in both units parallel
Mineral | Abundance (%) |
---|
garnet |
hornblende |
Rock Number: 3
-massive 2 to 4 m sills
-as at previous
-moderate buadinage and thinner sills
Manitoba Geological Survey, 2017