Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5027
EASTING 568925 NORTHING 6042614 ZONE 14 DATUM NAD83
Date of mapping 06/20/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 295 | 70 |

-crosscutting pegmatite vein set at NE-SW
-1.5 m quartz-microcline-biotite dike in foliation plane

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
augened
leucocratic
gneissic fabric
boudinaged
Field Description:

-strong parallel gneissic segregation both baudinage and augening of peg. veinlets

Textural Features
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit
mafic mineral | biotite | 0.0 | 0.0 | 6.0 | mm

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
occurs as a raft
1 by 15 metre size
boudinaged
Field Description:

-large boudinaged bodies 1 m x 10 to 15 m.

Minerals of Note
Mineral | Abundance (%)
hornblende
epidote

Manitoba Geological Survey, 2017