Dictionary / Glossary

Schlumberger Oilfield Glossary
http://www.glossary.oilfield.slb.com/

Encyclopedic Dictionary of Applied Geophysics, fourth edition
http://www.segdl.org/dictionary/

A Glossary of Geologic Terms
http://www.wwnorton.com/college/geo/earth2/glossary/a.htm

Basic Types of Faults
http://www.eas.slu.edu/People/KChauff/earth_systems/faults.pdf

Legend for geological Maps and the brief description of Formations
http://www.mafi.hu/microsites/kekkonyv/geolegend_hu.pdf