312 Symposium--S9/S5 Joint Symposium On Ecosystem-Mineral Interactions: I

Oral Session
S09 Soil Mineralogy Soil is a synthograph of environmental conditions and ecosystem process through time. �Understanding how soil minerals interact with, control and record ecosystem processes is fundamental to understanding soil and ecosystem function. This joint symposium between the Soil Science Society of America�s Soil Mineralogy and Pedology divisions will explore the interaction between soil minerals and ecosystem processes across nano- to landscape spatial scales, modern to deep geologic time scales, and across natural and managed ecosystems. We seek to enhance communication between scientists studying ecosystem-mineral Interactions in a multidisciplinary forum. Topics include novel coupling of molecular, isotopic, or imaging techniques for using soil mineral data to better understand: (i) the coevolution of soil and ecosystem properties; (ii) soil biogeochemical cycling in natural and managed systems, and (iii) the quantification of mineral weathering and transformation processes.

Cosponsor(s):

Pedology
Tuesday, October 23, 2012: 9:00 AM-12:00 PM
Hyatt Regency, Buckeye AB, Third Floor

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Organizers:
Craig Rasmussen , Maria Nobles and Cynthia Stiles
Presider:
Craig Rasmussen
9:35 AM
Stable Carbon Isotope Composition of Calcite and Organic Matter From Californian Soils: Implications for CO2 Reconstructions.
Neil Tabor, Southern Methodist University; Timothy S. Myers, Southern Methodist University
10:05 AM
Soil Genesis and Mineralogy Across a Volcanic Lithosequence.
Stewart G. Wilson, University of California, Davis; Jean-Jacques Lambert, University of California-Davis; Randy Dahlgren, University of California, Davis
10:20 AM
Biogeochemical Weathering of Serpentinites: An Examination of the First Reactions Controlling Serpentine Soil Formation.
Elisabeth M. Hausrath, University of Nevada, Las Vegas; Amanda A. Olsen, University of Maine; Julie L. Baumeister, University of Nevada, Las Vegas; Eileen Yardley, University of Maine; Michael Bodkin, University of Maine; Kimberly Negrich, University of Maine
10:50 AM
Quantifying Mineral Transformations in Granitic Terrain Across the Santa Catalina Mountain Environmental Gradient.
Rebecca Lybrand, The University of Arizona; Craig Rasmussen, University of Arizona
11:05 AM
Colloidal Clay Redistribution: Quantifying a Pedogenic Process and Its Influence On Ecosystems.
Carleton Bern, USGS - U.S. Geological Survey; Aaron Thompson, University of Georgia; Alan Koenig, USGS - U.S. Geological Survey; Oliver Chadwick, University of California-Santa Barbara
11:50 AM
12:00 PM