Geology Old: Web & Social Media

Has maps and information useful for undergraduate students. The USGS is a science organization.

Links to resources from the San Diego Natural History Museum. Includes links on mineral identification and minerals found in California.

Information on earth history/geologic time periods and climate history.

Covers news, rocks, minerals, maps. Has dictionary. Short articles on astronomy, climate change, earth science records, earthquakes, fossils, historical geology, minerals, oceans, plate tectonics, volcanoes, water and more.

Information and animated gifs on plate tectonics.