Geological Sciences

e-book from the library's subscription to the Oxford Reference Online series.

Contains over 500 short entries for terms related to geology.

A free, fully searchable collection of articles written by scholars, professionals, educators, and other approved experts. Articles are written in non-technical language and are intended to be useful to students, educators, scholars, and professionals, as well as to the general public.

Includes definitions, short articles and images about commonly used geological terms.

Navigate through specific time periods of the earth's history. From the University of California Museum of Paleontology.

"The USGS serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life."