2004 Denver Annual Meeting (November 7–10, 2004)
Session No. 108 Monday, November 8, 2004
1:30 PM-5:30 PM, Colorado Convention Center: 104/106

T68. Nano-Geochemistry and Nano-Structures in Earth Systems

Huifang Xu and Yifeng Wang, Presiding
 Paper #Start Time
108-11:30 PM SURFACE REACTIVITY OF NANOCRYSTALLINE ANATASE: RIDLEY, Moira K., Texas Tech Univ, PO Box 41053, Lubbock, TX 79409-1053, moira.ridley@ttu.edu, MACHESKY, Michael L., Illinois State Water Survey, 2204 Griffith Drive, Champaign, IL 61820, and HACKLEY, Vincent, National Institute of Standards & Technology, 100 Bureau Drive, Gaithersburg, MA 20899-8522
108-21:45 PM EFFECTS OF AGGREGATION-BASED GROWTH ON HEAVY METAL SORPTION AND PRECIPITATION ONTO NANOSCALE IRON OXYHYDROXIDES: KIM, Christopher S., Department of Physical Sciences, Chapman Univ, One University Drive, Orange, CA 92866, chriskim@stanfordalumni.org, WAYCHUNAS, Glenn A., Earth Sciences Division, Lawrence Berkeley National Lab, MS 70R0108B, Berkeley, CA 94720, and BANFIELD, Jillian F., Department of Earth and Planetary Sciences, Univ of California Berkeley, 307 McCone Hall, Berkeley, CA 94720
108-32:05 PM PHOTOCHEMICAL REDUCTION OF IRON OXIDE NANOPARTICLES AS A FUNCTION OF MINERAL SIZE: MADDEN, Andrew S. and HOCHELLA, Michael F. Jr, Dept. of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, amadden@vt.edu
108-42:20 PM HEAT CAPACITY OF INTRA-CRYSTALLINE WATER MOLECULES IN ZEOLITES: NEUHOFF, Philip S. and KEDDY, Scott M., Geological Sciences, Univ of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, neuhoff@ufl.edu
108-52:35 PM GEOCHEMICAL IMPLICATIONS OF NANOMETER-SCALE PORES IN NATURAL MATERIALS: WANG, Yifeng, P. O. Box, MS 0776, Sandia National Laboratories, Albuquerque, NM 87122, ywang@sandia.gov and XU, Huifang, Department of Geology and Geophysics, Univ of Wisconsin, Madison, WI 53706
108-62:55 PM THE MOUNT PLEASANT TUNGSTEN MINE: USING MICRO-ANALYTICAL TECHNIQUES TO UNDERSTAND MINERAL-WATER INTERACTIONS: PETRUNIC, Barbara M., Department of Geology, University of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, o0bsn@unb.ca and AL, Tom, Dept. of Geology, Univ. of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada
108-73:10 PM GEOCHEMICAL CHAOS: PERIODIC AND NONPERIDIC GROWTH OF MIXED- LAYER PHYLLOSILICATES: WANG, Yifeng, P. O. Box, MS 0776, Sandia National Laboratories, Albuquerque, NM 87122, ywang@sandia.gov and XU, Huifang, Department of Geology and Geophysics, Univ of Wisconsin, Madison 53706
 3:25 PM Break
108-83:40 PM THE IMPORTANCE OF NANOPARTICLES AND THEIR UNUSUAL PROPERTIES IN SEDIMENTS AND SOILS FROM HEAVY-METAL CONTAMINATED SITES: HOCHELLA, Michael F. Jr1, MADDEN, Andrew S.1, and MOORE, Johnnie N.2, (1) Dept. of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, hochella@vt.edu, (2) Department of Geology, Univ of Montana, Missoula, MT 59812
108-94:00 PM PEDOGENIC IRON OXIDE MINERALOGIC VARIATION FROM A CLIMATIC AND GEOGRAPHIC TRANSECT OF THE LOESS PLATEAU, CENTRAL CHINA: WAGONER, Laureen, Geology, Univ of California, One Shields Ave, Davis, CA 95616, wagoner@geology.ucdavis.edu, SINGER, Michael J., LAWR, Univ of California, Davis, CA 95616, and DENG, Chenglong, Institute of Geology and Geophysics, Chinese Academy of Sciences, POB#9825, Beijing, 100029, China
108-104:15 PM CHARACTERISTICS AND SIGNIFICANCE OF NANO-ROD CALCITES OF BIOMINERALIZATION IN THE LOESS OF CHINA: CHEN, Tianhu1, XU, Huifang2, XIE, Qiaoqin1, CHEN, Jun3, JI, Junfeng3, and LU, Huayu4, (1) Scholl of Natural Resources and Environmental Engineering, Hefei Univ of Technology, Hefei, 230009, chentianhu168@vip.sina.com, (2) Department of Geology and Geophysics, Univ of Wisconsin, Department of Geology and Geophysics, University of Wisconsin, Madison, WI 53706, USA, Madison, WI 53706, (3) Department of Earth Sciences, Nanjing Univ, Nanjing, 210093, China, (4) State Key Laboratory of Loess and Quaternary Geology, Chinese Academy of Sciences, No.10, Fenghui Nanlu, Xi'an, 710075, China
108-114:30 PM BIOMIMIC GROWTH OF NANO-STRUCTURED MINERALS IN ORGANIC-BEARING SOLUTIONS: XU, Huifang1, NIE, Zimin1, and WANG, Yifeng2, (1) Dept. of Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, hfxu@unm.edu, (2) P. O. Box, MS 0776, Sandia National Laboratories, Albuquerque, NM 87122
108-124:45 PM Paper Withdrawn
108-135:00 PM CHARACTERISTICS AND GENESIS OF MAGHEMITE IN LOESS-PALEOSOL SEQUENCES OF CHINA: XIE, Qiaoqin1, CHEN, Tianhu1, XU, Huifang2, XU, Xiaochun, CHEN, Jun3, JI, Junfeng3, and LU, Huayu4, (1) Scholl of Natural Resources and Environmental Engineering, Hefei Univ of Technology, Hefei, 230009, qqxie303@sohu.com, (2) Department of Geology and Geophysics, Univ of Wisconsin, Department of Geology and Geophysics, University of Wisconsin, Madison, WI 53706, USA, Madison, WI 53706, (3) Department of Earth Sciences, Nanjing Univ, Nanjing, 210093, China, (4) State Key Laboratory of Loess and Quaternary Geology, Chinese Academy of Sciences, No.10, Fenghui Nanlu, Xi'an, 710075, China
108-145:15 PM Paper Withdrawn

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