Petrology description of rocks while petrography is the speciality that deals with microscopic details. In the petroleum industry, lithology, or more specifically mud logging, is the graphic representation of geological formations being drilled through, and drawn on a log called a mud log. As the cuttings are circulated out of the borehole they are sampled, examined (typically under a 10× microscope) and tested chemically when needed. Petrology utilizes the fields of mineralogy, petrography, optical mineralogy, and chemical analysis to describe the composition and texture of rocks. Petrologists also include the principles of geochemistry and geophysics through the study of geochemical trends
Institute for the Study of Academic Racism as Raymond Cattell and Richard Lynn on what they considered to be nonscientific grounds. Whitney stated that Mehler combats those he accuses of racism primarily through popular rather than scientific channels (for example TV programs, such as "Geraldo"). Institute for the Study of Academic Racism The Institute for the Study of Academic Racism (ISAR) is an organization that monitors "changing intellectual trends in academic racism, biological determinism, and eugenics." ISAR states that in this capacity it "acts as a resource service for students, academics, journalists, legislators and civil rights activists." ISAR was founded by Barry Mehler in 1993. The institute