Figure 35.1

Data magnitudes. Donors of original stratigraphic data are shown at left. Lithological data (Lithodata) for Alberta, Peace River, British Columbia and Northwest Territories were donated by Canadian Stratigraphic Services Limited through Home Oil Company Limited.

Figure 35.2

Schematic representation of overall Atlas data processing.

Figure 35.3

Selection of Atlas control wells. See text for explanations (under Selection).

Figure 35.4

Example of an Atlas surface definition.

Figure 35.5

Components of the Atlas Database. See text for explanations (under Atlas Database). The box labelled "Digitized geological features" includes isopach zero edges, geological boundaries (e.g., reef edges, onlap edges etc.), subcrop/outcrop polygons, palinspastic restorations, and oil and gas field outlines.

Figure 35.6

Processes involved in generating input for Atlas contour maps. See text for elaboration (under Contour Maps).

Figure 35.7

Processes involved in generating input for Atlas lithofacies maps. See text for explanations (under Lithofacies Maps).