This website will help you find some of the the best library databases, search tools, and reference sources for Geology.
Department of Geology at Middlebury College http://www.middlebury.edu/academics/geol
Middlebury College Libraries http://www.middlebury.edu/academics/lib
These are widely-used research databases in geology:
Working with scientific computing, coding, or data? MiddBazaar has resources!