Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6245
EASTING   558278     NORTHING   6035160     ZONE   14     DATUM   NAD83
Date of mapping    06/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 28 69

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
seriate porphyritic
biotite

Field Description:

-quartz 30%
-back to the coarser grained GRDR
-about 3% large MEGA
-quite schlieric and highly deformed
-contains numerouous large inclusions of amphibolite

Rock Number: 2

Rock Type: amphibolite
Descriptors:
hornblende - biotite bearing

Field Description:

-mafic AMPB with some compositional layering
-some EP-rich layers, could be either mafic volcanic or a sheared and altered mafic intrusive
-extensivly intruded by GRDR-pegmatitic lec.


Manitoba Geological Survey, 2017