Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6358
EASTING   558913     NORTHING   6043845     ZONE   14     DATUM   NAD83
Date of mapping    07/13/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 88 81

-small clay covered reef

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
hornblende - diopside bearing

Field Description:

-same as previous station
-mainly highly foliated HB-BO-BP black cleavable ampb with numerous granitic and pegmatitic veins
-also has 1 to 2 m layers of fine grained dense black volcanic ampb with plag. and BO megacrysts around 1 to 3 mm (sample) as an S side of previous outcrop
-outcrop has pitted weathering in layered ampb-possibly because of EP-DP pods and smooth uniform weathering in fine grained BO ampb

Minerals of Note
Mineral Abundance (%)
garnet


Manitoba Geological Survey, 2017