Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6549
EASTING 571115 NORTHING 6039528 ZONE 14 DATUM NAD83
Date of mapping 08/07/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 61 | 87 |
fracture cleavage | 337 | 80 |
fault | 314 | 82 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss
Field Description:

-MCSG to MCCG
-zones of cataclasis to NCAR mylonite up to 3 m wide
-dominantly augen TNLT and pegs. but with some camp GRDR(?) sills up to 1 m
-highly flattened inclusions of mass gabbroic ampb (CI=60)

Rock Number: 2

Rock Type: diabase
Descriptors:
schistose
NORT
Field Description:

-40 m Molson--both contacts exposed
-good developement of schistocity, especially in coarser core of dike
-margins show good chills
-hanging wall contact on SE 246 degrees

Minerals of Note
Mineral | Abundance (%)
magnetite

Manitoba Geological Survey, 2017