Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5499
EASTING   577098     NORTHING   6042565     ZONE   14     DATUM   NAD83
Date of mapping    06/29/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 22 59
fault 41 72

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened
biotite - hornblende bearing

Field Description:

-numerous biotite schlieren, appears to have trace magnetite content
-strong, steep, extenuous joint pattern intersects minor mylonites at right angles, producing a rectilinear fracture pattern
-several small two feldspar type biotite pegmatites cut the outcrop
-occasionally they develope large, white quartz segregations
-very little remarks of the original porphyritic texture


Manitoba Geological Survey, 2017