The Theory of Plate Tectonics forms the framework from which to view the majority of other geologic processes.

This interactive program is designed to aid advanced undergraduate and graduate students in the geological sciences in visualising and learning about processes within the Earth and how these processes are related to plate tectonics.

Earth's Dynamic Surface goes in-depth into the study of the processes that shape the Earth's surface.

This unique interactive program allows you to study minerals at your own pace from your present level of understanding.

This multimedia "field guide" helps you to identify over 14,500 mineral names and synonyms for both beginners and serious collectors.

An Introduction to Structural Methods, narrated by the authors, is richly illustrated with animations, 3-D diagrams, geologic maps, and photographs all in full colour offering a new approach to teaching structural geology.

An Introduction to Structural Methods, narrated by the authors, is richly illustrated with animations, 3-D diagrams, geologic maps, and photographs all in full colour offering a new approach to teaching structural geology.

Earth’s Atmosphere and Its Season's helps students investigate and understand the causes of the seasons, Earth-Sun relationships, the composition of the atmosphere, Sun’s role as the main source of energy that drives weather and climate, the greenhouse effect, and more.

With Introduction to Topographic Maps the user will learn how to read and draw contour lines based on points of known elevations, construct topographic profiles, and determine slope and relief.

Tasa Graphic Arts, Inc. and the American Geological Institute collaborate to bring you an exciting new geology reference CD-ROM! Geological terms are easier to understand with full colour photographs, movies, and labelled illustrations.