Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5581
EASTING 579456 NORTHING 6060501 ZONE 14 DATUM NAD83
Date of mapping 07/12/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 232 | 77 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
massive
mesocratic
Field Description:

-whole island is gabbro containing a two m shear zones down the middle comprosing mylonitic amphibolites derived from the gabbro
-there is a marked textural difference in gabbro across FT, containing grain size or south 2 mm and on north 1 mm
SAMPLE A; fine grained north side
SAMPLE B; coarse grained south side

Minerals of Note
Mineral | Abundance (%)
garnet

Manitoba Geological Survey, 2017