TWO PHLOGOPITE GENERATIONS IN AN ALNÖITE DIATREME: INSIGHTS INTO THE PETROGENESIS OF THE AVON ALKALINE IGNEOUS PROVINCE, MISSOURI
LIMBAUGH, Nathan, Department of Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, 1400 N Bishop Avenue, 129 McNutt Hall, Rolla, MO 65409, HOGAN, John, Department of Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, 1400 N Bishop Ave, Rolla, MO 65409 and HAMES, Bill, Department of Geosciences, Auburn University, 2050 Beard Eaves Coliseum, Auburn, AL 36849