Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6248
EASTING 557825 NORTHING 6035526 ZONE 14 DATUM NAD83
Date of mapping 06/27/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 47 | 46 |

-poor outcrop--can't be sure of field rel.

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
massive
leucocratic
Field Description:

-salt and pepper gabbro - varies from locally near anorthesite (CI=5) over small area to average of around 17
-still in good shape with relativly weak fabric - appears to be raft complex in past GRDR
-rafts margins are generally sheared peg. mylonite
-90% of exposure gabbro

Rock Number: 2

Rock Type: granodiorite
Descriptors:
porphyritic
biotite
Field Description:

-pink phenos in light grey weathering GRDR
-shear fabric strong-->generally layered gneiss
-visable only at top of outcrop

Manitoba Geological Survey, 2017