Reference Books

Below are some useful and informative text books that I recommend.

Understanding Earth
by Press & Siever

Earth Structure: An Introduction to Structural Geology and Tectonics
by Ben A. Van Der Pluijm, Stephen Marshak

Earth Structure: An Basic Methods of Structural Geology
by Stephen Marshak, Gautum Mitra

Minerals in Thin Section, Second Edition
by Dexter Perkins, Kevin R. Henke, Kevin R Henke

Manual of Mineralogy, 21st Edition, Revised
by by Cornelis Klein, Cornelius S.Arle Hurlbut