Alberta Table of Formations Chart | Official AGS Stratigraphic Guide

Master the complex subsurface of the Western Canada Sedimentary Basin with the Official Alberta Table of Formations. This definitive stratigraphic reference, updated by the Alberta Geological Survey (AGS) and the Alberta Energy Regulator (AER), is the industry standard for identifying and naming geological rock units across the province.

This edition represents a significant leap in geological accuracy, aligning Alberta’s stratigraphic nomenclature with the North American Stratigraphic Code. This chart is an indispensable tool for petroleum geologists, hydrogeologists, mining engineers, and academic researchers who require a scientifically validated framework for well-log correlation and resource exploration.

Key Features include:

• Comprehensive Stratigraphy: Features 8 detailed geographic columns representing the typical rock layer relationships found in the Mountains, Foothills, and Plains.

• Chronostratigraphic Precision: Includes the most current numerical ages (in millions of years) based on the IUGS International Commission on Stratigraphy (ICS).

• Lithological Insights: Color-coded polygons represent dominant rock types—from Paleozoic carbonates to Mesozoic clastics—allowing for rapid visual identification of facies changes.

• Updated Nomenclature: Reflects the latest revisions to the Neoproterozoic Miette Group, Cambrian carbonate units, and Permian time-stratigraphic subdivisions.

• Resource Context: Essential for mapping oil and gas reservoirs, coal seams, and regional hydrostratigraphy (groundwater systems).