Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6208
EASTING 570358 NORTHING 6047364 ZONE 14 DATUM NAD83
Date of mapping 06/23/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 283 | 62 |

Linear Structures
Type | Plunge | Azimuth
mineral lineation | 38 | 72

-HB needles on the shear surface

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
cataclastic
basaltic composition
Field Description:

-as previous station, dense black massive amphibolite with rare epidosite masses
-a few narrow sandstone seams
-the foliation plane is invaded by quartz veins and granite

Rock Number: 2

Rock Type: mylonite
Descriptors:
layered
granitic
Field Description:

-5 to 15 cm pink leucocratic mylonites, quite siliceous, probably derived from the late aplite pegmatite pulse

Manitoba Geological Survey, 2017