Also included is an introduction to the geology of non-glaciated regions, such as the arid southwest. Three lecture hours per week and a weekend field trip. Offered alternate years. GLS 221 Mineralogy 4 cr. DII A study of the elements of crystallography, physical and chemical properties of minerals, their structures, occurrences, and the conditions under which they form.
Laboratory includes study of crystal morphology and identification of minerals.
Two lecture hours and two two-hour laboratories per week. GLS 222 Gemology 3 cr. The properties, identification, origin, evaluation, and preparation of gem stones and gem materials. Three lecture hours per week. Offered alternate years.