Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6250
EASTING   557491     NORTHING   6034637     ZONE   14     DATUM   NAD83
Date of mapping    06/27/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 37 60

Dikes and Sills:
Rock Number Type Width (m) Strike Dip
0 pegmatite 0.20 190 66

-20 cm red feldspathic MG peg.

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
seriate porphyritic
biotite

Field Description:

-a little more mafic-possibly even TNLT
-weathers medium grey with pink megacrysts up to 5 cm
-zoning preserved in places
-foliation still cataclastic with extensive augeing of megas
-quartz 25%
-megacrysts variable 5 to 15%


Manitoba Geological Survey, 2017