Dictionary of Petroleum and Oilfield Terminology Save
Glossary of terms. The list is searchable and also contains links to further information.
http://www.anson.co.uk/oilfield_gloss...   

Earthquake Image Glossary Save
Heavily illustrated glossary of common terms in seismology.
http://earthquake.usgs.gov/image_glos...   

Geological and Gem Terminology Save
Jillian Banfield's glossary of geological and gem-related vocabulary.
http://seismo.berkeley.edu/~jill/glos...   

Geology Dictionary - Geology.com Save
Definitions of terms, written at a level appropriate for students in introductory courses.
http://geology.com/geology-dictionary...   

GeologyLink Glossary Save
Indexed glossary of geology terms.
http://college.hmco.com/geology/resou...   

Glacier Glossary Save
An A-to-Z glossary of glacier terms written by the professor and students of an NEIU glaciology class.
http://ebeltz.net/glacier/glacglos.html   

Glossary of Selected Geologic Terms Save
Glossary of selected geological terms from the University of Nebraska-Lincoln.
http://csd.unl.edu/general/glossary.asp   

Schlumberger Oilfield Glossary Save
Defines many terms related to oil and gas exploration and production. Includes illustrations.
http://www.glossary.oilfield.slb.com/   

USGS Photo Glossary of Volcanic Terms Save
Illustrates and describes commonly used volcano-related terms.
http://volcanoes.usgs.gov/Products/Pg...   

Volcanic and Geologic Terms Glossary Save
Common terms defined.
http://volcano.und.nodak.edu/vwdocs/m...   

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