Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5085
EASTING 567856 NORTHING 6044132 ZONE 14 DATUM NAD83
Date of mapping 07/04/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 72 | 78 |

-abundant late biotite-microcline-plagioclase-quartz pegmatite veins in S2 axial planar direction
-veinlets in long limbs of isoclinal folds refract into axial plane
in fold noses

PETROLOGIC DATA

Rock Number: 1

Rock Type: two component schlieric gneiss - intimate mixture of 2 major units
Field Description:

-equal proportions of old schlieric tonalite and grey porphyritic granodiorite.
-Compressive augening of early pegmatitic lit common.
-Rare Z folds with well developed axial planar schistosity parallel to S1

Manitoba Geological Survey, 2017