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Virginia Tech Geosciences Presentations at the 2006 GSA National Meeting in Philadelphia

Posted: Tuesday, August 29th, 2006

GEOCHEMISTRY-MINERALOGY-PETROLOGY

A. A. Olsen and J. D. Rimstidt. Using Mineral Lifetime Diagrams: Predicting Olivine Grain Lifetimes on Earth and Mars.

R. J. Tracy. Aspects of the Role of Sulfur in High and Ultra-high Grade Metamorphism.

C. Loehn, P. S. Dahl, R. J. Tracy. Evidence for ~2550 Ma Convergent Thermotectonism in SW Montana, with Implications for Neoarchean Supercontinent Assembly

T. Detrie, N. Ross, J. Zhao, and R. J. Angel. High-Pressure Raman Spectroscopic Study of Prehnite, Ca2Al(AlSi3O10)(OH)2

S. Brown, C. Loehn, R. J. Tracy, and M. Hudson. U-Th-Pb Geochronology of Monazite in a quartz-sillimanite nodular leucogranite from the Carthage-Colton Mylonite Zone, Northwestern Adirondack Highlands, New York.

C. Loehn, P. Dahl, and R. J. Tracy. Evidence for ~2550 Ma Convergent Thermotectonism in SW Montana, with Implications for Neoarchean Supercontinent Assembly.

A. Wallace and P. Dove. Kinetic and Thermodynamic Drivers of Amorphous Silica Nucleation on Organic Surfaces: Towards an Understanding of Biosilicification Processes.

N. Han and P. Dove. Using Nucleation Theory to Understand the Dissolution Kinetics of Vitreous and Biogenic Silica.

R. J. Angel, M. Brown, E. Abramson, E. Johnson. Elasticity of Plagioclase Feldspars.

A. Mitra and J. D. Rimstidt. Unexpectedly High Quartz Dissolution Rates at Low pH.

J. Chermak. Geochemical Lessons Learned from Laboratory Testing through Operation of a Watershed-Scale Acid Rock Drainage Water Treatment System.

C. Ozerdem and R. J. Tracy. The Role of Maidens Gneiss in Understanding the Relationship between Morefield Pegmatite and Other Goochland Terrane Pegmatites.

J. D. Rimstidt. Acid Mine Drainage Kinetics.

S. El-Hadj and P. Dove. From peptides to proteins: Control of net molecular charge and hydrophilicity on the kinetics of calcite growth.

GEOPHYSICS-TECTONICS-STRUCTURAL GEOLOGY

A. M. Trehu, B. Beaudoin, S. Clarke, N. Godfrey, S. Gulick, T. Henstock, J. Hole, S. Klemperer, B. Leitner, C. Lendl, A. Levander, A. Meltzer, and W. Mooney. Pulling the Rug Out from Under California: Seismic Images of the Mendocino Triple Junction Region.

J. T. Buscher and J. A. Spotila. Heterogeneous Exhumation along the Southern San Andreas Fault as inferred from (U-Th)/He ages in the Northern San Gabriel Mountains, Southern California.

J. R. Thigpen. 3-D Depositional and Structural Evolution of the Western Blue Ridge: Implications for Pre-Orogenic Basement and Cover Geometry Controlling Major Paleozoic Faulting.

A. Berger and J. A. Spotila. Strain Partitioning within the Western Chugach - St. Elias Orogen, Alaska: The Effect of Glacial Erosion.

M. J. Jessup, J. M. Cottle, D. L. Newell, M. P. Searle, R. D. Law, and R. J. Tracy. Spatial and Temporal Variability in Deformation, Metamorphism, and Displacement along the South Tibetan Detachment System; Insights into the Exhumation of the Greater Himalayan Slab, Tibet.

HYDROGEOLOGY

B. Schwartz and M. E. Schreiber. Integrating Differential Electrical Resistivity Tomography and Time Domain Reflectometry as a Tool for modeling soil moisture and infiltration in Sinkholes.

N. West, M. E. Schreiber, and M. Gotkowitz. Effect of Chlorination on Arsenic release from Sulfide Minerals in the St. Peter Sandstone, Eastern Wisconsin.

D. Rugh and T. J. Burbey. Using Tracers to Evaluate Preferential Recharge Pathways in the Blue Ridge Province.

R. Lauer and T. J. Burbey. Characterizing Fractured Rock Aquifers of the Blue Ridge Physiographic Province Using Surface and Downhole Geophysical Methods.

T. J. Burbey. GPS and INSAR Reveal Heterogeneous and Anisotropic Aquifer Conditions During an Aquifer Test.

M. Harvey and M. E. Schreiber. Adsorption Properties of Roxarsone on Goethite and Kaolinite.

E. Diesel and M. E. Schreiber. The Mobility of Arsenic Adsorbed to Particulates Within Agricultural Watersheds.

GEOBIOLOGY

R. A. Krause Jr., S. Barbour-Wood, M. Kowalewski, M. G. Simoes, D. Kaufman, C. Romanek, and J. F. Wehmiller. Age Mixing among Sympatric Bivalves and Brachiopods from the Brazilian South Atlantic.

S. Barbour-Wood and G. M. Daley. Ten Years of Picking Shells: Faunal Patterns in the Neogene Atlantic Coastal Plain Deposits of Virginia.

L. Dong, B. Shen, S. Xiao, and M. Kowalewski. Morphological Saturation and Constraints in Ediacara Fossils.

B. Shen, S. Xiao, A. J. Kaufman, X. Yuan, and C. Zhou. Sulfur Isotope Evidence for Rapid Cementation of the Neoproterozoic Zhamoketi Cap Carbonate in the Quruqtagh Area of Tianshan.

G. Jiang, S. Xiao, T. Bristow, and K. McFadden. The Antinomy of Organic and Inorganic Carbon Isotopes at ca. 551 Ma: A Record of Biological Responses to Ocean Redox Change?

S. Xiao, L. Dong, J. Huntley, and M. Kowalewski. Proterozoic Evolution of Photosynthetic Eukaryotes: A Primer for Proterozoic Evolution of Ocean and Atmospheric Redox State.

J. Schiffbauer, S. Xiao, R. J. Bodnar, L. Yin, X. Yuan, F. Meng, J. Hu, and A. J. Kaufman. Can Organic-walled Microfossils Survive Extreme Metamorphic Heating? Characterization of Experimentally Heated Acritarchs Using Raman Spectroscopy.

K. McFadden, S. Xiao, C. Zhou, G. Zie, and J. Schiffbauer. Doushantuo-Pertatataka Acritarchs in Ediacaran Successions of South China: Preservational Bias or Ecological Control?

Y. Yanes, A. Delgado and M. Kowalewski. Stable Isotope Composition of Modern Land Snails from Canary Islands.

A. Bush, M. Kowalewski, A. P. Hoffmeister, R. K. Bambach, and G. M. Daley. Sieve Mesh Size Biases and the Ecologic Composition of Fossil Samples.

J. Huntley, Y. Yanes, and M. Kowalewski. A Tale of Two Snails: Testing Limiting Similarity in Quaternary Theba.

M. Kowalewski, D. Scarponi, S. Barbour-Wood, M. Aberhan, W. Kiessling, and F. T. Fuersich. The Few, the Brave, the Marine: Taxonomic Structure of Neogene Benthic Associations.

SEDIMENTOLOGY-STRATIGRAPHY

A. Husinec and J. F. Read. Late Jurassic Tithonian Greenhouse Climate Inferred from Facies Stacking: Adriatic Cyclic Platform Interior, Croatia.

T. C. Wynn and J. F. Read. Carbon-Oxygen Isotope Signal of Mississippian Slope Carbonates of Virginia: A Complex Response to Climate-Driven Fourth-Order Glacio-Eustasy

Fall 2004 Geosciences Magazine cover

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