Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5143
EASTING   574886     NORTHING   6040513     ZONE   14     DATUM   NAD83
Date of mapping    07/15/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
gneissosity 261 72

Linear Structures
Type Plunge Azimuth
rodding 61 144

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened

Field Description:

-very little grey granodiorite component, 25 % injected pegmatite lit, numerous small discrete shears in the foliation plane
-strong developement of 1 to 5 cm microcline augens

Rock Number: 2

Rock Type: greywacke
Descriptors:
layered
hornblende - biotite bearing

Field Description:

-obviously volcanic derived, largely amphibolitic
-typical layering 3 to 7 mm


Manitoba Geological Survey, 2017