Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5619
EASTING 578458 NORTHING 6067005 ZONE 14 DATUM NAD83
Date of mapping 07/19/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
gneissosity | 297 | 59 |

-EBB and Flow Rapids-->one way passage only

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
gneissic
hornblende - biotite bearing
Field Description:

-good GS developed with discrete segregations approx. 1 to 2 mm thick of HB and BO
-quartz has dropped to 25 to 30 % abundant ejected pegmatite all appear to be primative
-potassic quartz poor BO peg.

Minerals of Note
Mineral | Abundance (%)
magnetite

Rock Number: 2

Rock Type: amphibolite
Descriptors:
massive
hornblende bearing
Field Description:

-a variety of massive coarse and fine grained AMPB that could be either VOLC or intrusive
-probably some of both
-there have been no felsic or clastic inclusions noted so far today

Manitoba Geological Survey, 2017