Prairie NATMAP field work and field database structure
R J Fulton, L H Thorleifson, G L D Matile, A Blais · 1994
In this second year of the Prairie NATMAP project, field work was conducted in southeastern and southwestern Manitoba. In the Virden area of southwestern Manitoba, field work has been completed to the stage where preliminary maps can be produced for 5 of the 16, 1:50 000 map sheets. The part of the area reported on this year is largely underlain by till, although glaciofluvial sediments suitable for aggregate are found in some of the numerous meltwater channels. The shale bedrock is not a significant surficial material but is responsible for a large number of slope failures where it has been intersected by the valley of Pipestone Creek. In southeastern Manitoba, mapping field work in the eastern half of the area was completed. Crews led by both provincial and federal government staff addressed the distribution of sediments related to the action of Lake Agassiz, the limit of calcareous drift, and striation patterns.