Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5083
EASTING   572943     NORTHING   6039640     ZONE   14     DATUM   NAD83
Date of mapping    06/30/1983

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 253 89
fault 253 89

Fault is 30cm zone intense cataclasis and mylonite

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
cataclastic
leucocratic
subgneissic
porphyritic

Field Description:

-subgneissic porphyritic beige weathering granodiorite.
-normal second from youngest intrusive

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
mafic mineral biotite 0.0 0.0 12.0 mm

Rock Number: 2

Rock Type: amphibolite
Descriptors:
black
black
massive
occurs as a raft
injected lit

Field Description:

-featureless black amphibolite with extensive injection


Manitoba Geological Survey, 2017