Affiliation: | 1.Earth & Environmental Sciences Division, MS J495,Los Alamos National Laboratory,Los Alamos,USA;2.New Mexico Bureau of Geology and Mineral Resources, and the National Cave and Karst Research Institute,New Mexico Institute of Mining and Technology,Carlsbad,USA;3.Earth and Environmental Science Department,New Mexico Institute of Mining and Technology,Socorro,USA;4.New Mexico Bureau of Geology and Mineral Resources,New Mexico Institute of Mining and Technology,Albuquerque,USA |