Micro-distribution of heavy rare earth elements in Round Top Mountain rhyolite deposit (Hudspeth County, Texas, USA) by EPMA mapping

Nicholas E Pingitore Jr1, Margaret Piranian2, Maria A Amaya3, Lorraine Marie Negron2 and Daniel Gorski4, (1)University of Texas at El Paso, Department of Earth, Environmental, and Resource Sciences, El Paso, TX, United States, (2)University of Texas at El Paso, El Paso, TX, United States, (3)University of Texas at El Paso, School of Nursing, El Paso, TX, United States, (4)Texas Rare Earth Resources, Sierra Blanca, TX, United States