Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5016
EASTING 567969 NORTHING 6044319 ZONE 14 DATUM NAD83
Date of mapping 06/19/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 78 | 59 |

-photos--pegmatitic lit in GRDR

PETROLOGIC DATA

Rock Number: 1

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

-highly injected by early pegmatitic lit
-lots of augen

Rock Number: 2

Rock Type: granodiorite
Descriptors:
massive
biotite
boudin or boudinaged
Field Description:

-1 x 3 m boudins of grey GRDR
-.1-3cm veins of aplite intruded then intenively ptygmatically folded in foliation plane

PHOTOS

Augen leuco-tonalite with ptygmatic folded pegmatitc lit.

Young pegmatitic lit intruded into the axial plane of ptygmatic folds. Occurs in porphyritic grey granodiorite raft in the older augen leuco-tonalite

Manitoba Geological Survey, 2017