Three decades after it was published, the Second Geological Survey of Pennsylvania was described as "the most remarkable series of reports ever issued by any survey." Considering the diversity of other geological...

This site was created by John Butler of the University of Houston. Included here are lecture materials on sedimentary rocks and processes with an online quiz, internet resources and a virtual trip to the Grand Canyon. ...

Online handbook on rock engineering written by Dr. Evert Hoek. Not formally published, the text is updated as necessary to reflect current needs of its audience.

In this activity, students, individually or in teams, have a set amount of time to collect as many specific elements, mixtures, and compounds as possible which are used in daily life and come from earth materials. It...

The rock cycle is an ongoing process in which rock, driven by tectonic processes such as volcanoes and earthquakes, the surface processes of weathering and erosion, and compaction, is created, destroyed, and recycled....