Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5647
EASTING   569123     NORTHING   6049017     ZONE   14     DATUM   NAD83
Date of mapping    07/23/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 294 66

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
hornblende-epidote bearing

Field Description:

-very small outcrop right at back of bay, obviously volcanic derived, however, does not look like a primary extrusive
-texture is more that of a siltstone, possibly a mafic tuff or reworked tuff
-the next exposure is mafic greywacke containing the same white proloquartzite layer

SAMPLE B protoquartzite layer, 10 cm south in mafic greywacke
-no alteration gneisson

Minerals of Note
Mineral Abundance (%)
garnet


Manitoba Geological Survey, 2017