“Field Of View 275 microns. Cathodoluminescence photo on the left and Scanning Electron Micrograph on the right of polished-sections of zircon embedded in quartz. This technique basically highlights the variation of REE element concentration within a specimen. Here it is utilized to reveal the crystal growth pattern. Reprinted from Thesis "PETROGRAPHY OF HYDROTHERMAL ZIRCON, PIKES PEAK BATHOLITH, EL PASO COUNTY, COLORADO" by Max Ephraim, May 2013. Copywrite Colgate University. Used with permission from Dr. William Peck.”