Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5683
EASTING   569834     NORTHING   6048354     ZONE   14     DATUM   NAD83
Date of mapping    07/29/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 272 71

PETROLOGIC DATA

Rock Number: 1

Rock Type: basalt
Descriptors:
pillowed
amygdaloidal

Field Description:

-slightly sheared and highly flattened but still preserves distinct pillow structures
-epidote CO3 masses are common in the interpillow interstices
-pillow cores are largely unaltered
-there is some confusion over amygdules
-there are numerous ovoid quartz bodies
-there are also scattered oval feldspar cloths
-these do not look like phenocrysts or amygdules may be some form of alteration


Manitoba Geological Survey, 2017