1. (n.) The science which treats of minerals, and teaches how to describe, distinguish, and classify them.

2. (n.) A treatise or book on this science.

cosmical geology crystallography dynamic geology geodesy geodetics geodynamics geognosy geographics geography geological chemistry geological engineering geology geomorphogeny geomorphology geophysics geoscopy geotectonic geology historical geology hydrogeology mineralogical chemistry mining engineering mining geology paleontological geology pedology petrography petrology physical geography physical geology physiographic geology physiography soil mechanics soil science stratigraphic geology stratigraphy