Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6178
EASTING 574679 NORTHING 6045333 ZONE 14 DATUM NAD83
Date of mapping 06/20/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 332 | 29 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
hornblende bearing
Field Description:

-same amphibolite wacke with foliation parallel to layering as at 6176

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
melanocratic
Field Description:

-contact with major Molson dike passive contact following joint lines
-no obvious contact metamorphism
-contact parallel to shore of South Bay
-rock has 5 to 8 cm chill zone
-remainder being fine grained metagabbro with 10% 8 mm HB megacrysts

Manitoba Geological Survey, 2017