Abstract
Compilation of bottom-hole temperature (BHT) data (3,466 readings) and their correction along the 680-km profile from the Rocky Mountain Foothills to the western edge of the Canadian Shield has allowed detailed analysis of the 2D temperature distribution, calculation of the thermal gradient, and estimate of heat flow. Temperature data are available typically from only a section of the depth interval making 2D contouring of the temperature field difficult. Surface temperature values were used in calculations of the thermal gradient. The quality of the BHT data deteriorates towards the shallow part of the basin where larger errors of heat-flow estimates of the profile are calculated. Estimated heat flow increases from the southwest towards the northeast. Anomalously high values between 300 km – 500 km of the profile are questionable.
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