Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 84
STATION 5408
EASTING 576292
NORTHING 6060835
ZONE 14
DATUM NAD83
Date of mapping 06/13/1984
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 48 | 86 |
PETROLOGIC DATA
Rock Number: 1
-markedly more heterolithic congl. breccia
-significant % of the clast are mafic and many ultramafic
-is definately a clast supported unit, containing interstices between large clasts filled by largely sed. derived lithic fragments
-clast types include unit 1 tonalite, grey feldspar porphyry, gray siltstone, beige quartzite; hornblendite, laminated greywacke;but quartz pegmatite, to name just a few
-deformation is extreme, with stretching and rotating
-no sedimentary structures, like bedding present
-there are minor interbeds of quartz poor feldspathic wacke
Mineral | Abundance (%) |
---|
garnet |
Manitoba Geological Survey, 2017