Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5627
EASTING   577492     NORTHING   6049930     ZONE   14     DATUM   NAD83
Date of mapping    07/21/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 350 77 W

Planar Structures:
Structure type Strike Dip Separation
schistosity 44 85

-south of fault contact on air photo is between units O + O below

PETROLOGIC DATA

Rock Number: 1

Rock Type: siltstone
Descriptors:
laminated
semipelitic

Field Description:

-laminated siltstone with mm to cm bedding
-similar to previous SCSN except mush deirtier??--semipelite?? with 3 to 5 mm pelite caps
-much larger GR development

Minerals of Note
Mineral Abundance (%)
garnet

Rock Number: 2

Rock Type: sandstone
Descriptors:
festoon bedding
lithic

Field Description:

-overlying dirty SLSN is thick section of clean lithic SNDS
-large scale festoon?? cross bedding and travel cross bedding with coarse granul deposits in bases
-rare pebbles in thin lag deposits


Manitoba Geological Survey, 2017