Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5679
EASTING   568842     NORTHING   6048446     ZONE   14     DATUM   NAD83
Date of mapping    07/26/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 271 53

PETROLOGIC DATA

Rock Number: 1

Rock Type: basalt
Descriptors:
pillowed

Field Description:

-good pillows in what looks like a true basalt ( not basalt-andesite)
-greenish grey pillow cores and black hornblendic selvages
-has unusual sherical?? texture on core/selvage boundary that may have been devitrification textures (see samples)


Manitoba Geological Survey, 2017