Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6149
EASTING   566926     NORTHING   6028249     ZONE   14     DATUM   NAD83
Date of mapping    06/18/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 56 69
fault 36 75

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
porphyritic
leucocratic

Field Description:

-this appears to be the augen GRDR unit, but here the rock is exceptionally well preserved
-rock is a porphyry with 1 to 3% of 4x8 mm greyish feldspar
phenocrysts in a medium gr. matrix
-minor intrusion of later deformed pegs. <1% of exposure is inclusions, mainly old augen TNLT with rare mafic to hornblendite inclusions


Manitoba Geological Survey, 2017