Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6430
EASTING   564283     NORTHING   6046365     ZONE   14     DATUM   NAD83
Date of mapping    07/21/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 19 62

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
megacrystic
biotite

Field Description:

-augen grey and pink megacryst rich BO gabbro
-quartz=25%
-there are a series of persistent and tighly spaced joints in a 120 degree direction with variable dips
-occur in clusters with spacing as low as 1 cm and give rock a sheared appearance
-joints are heavily hematited and may be a large Molson somewhere in the vicinity


Manitoba Geological Survey, 2017