THE second volume of Prof. Johannsen's work on petrography is both a descriptive petrography of the quartz-bearing igneous rocks and an illustration of the author's proposed new method of ...

Things Petrography Can and Cannot Do…. Cracks. Blisters. Spalling. Scaling. Delamination. Low Strength. These are sources of dissatisfaction for owners and aggravation for contractors involved ...

Housed within the Michigan Geological Repository for Research and Education in the Department of Geological and Environmental Sciences at Western Michigan University, this facility is the leading lab ...