4. Magneto-stratigraphic profile in the Coleman field area.
The Crowsnest Formation is associated with a magnetic high, and
can be regarded as a "marker bed" allowing geologists to map structures
based on magnetic response. KWp Wapiabi Formation; KCa Cardium Formation;
KBk Blackstone Formation; KC Crowsnest Formation; KBl Blairmore
Group. A and B illustrate that TMI profile values may or may not