Special Symposia
Theme 01: New Approaches in Geochemistry
S01:	Applications of light stable isotopes to high-temperature problems
S02:	What do heavy stable isotopes tell us on high temperature geological processes?
S03:	Microanalytical techniques for stable isotope analysis
S04:	Experimental techniques for the study of hydrothermal fluids and silicate melts
S05:	Rare gases in geochemistry
S06:	Keeping good time: Frontiers in geochronology
S07:	Limits on precision, accuracy and detection: new advances in isotope and trace element geochemistry
Theme 02: Exploiting and Preserving Natural Resources
S08:	Advances in the geochemical and isotopic analyses of fluid inclusions in ore mineralizing systems
S09:	Developments and applications of classical (H, C, O, S) and new (Fe, Cu, Mo, Se) stable isotope analyses to ore deposit research.
S10:	The role of phase separation in magmatic-hydrothermal systems
S11:	Supergene metal accumulation and paleoclimate
S12:	The geochemistry of ore deposits
S13:	Applied geochemistry - From brines and rare-earth elements to diamonds: A tribute symposium to A. A. Levinson sponsored by IAGC
Theme 03: From Dust to Planets
S14:	Chemistry of the interstellar medium
S15:	From dust to planetesimals ­ Solar system processes and their timescales
S16:	From planetesimals to planets: Growth and differentiation
S17:	Impact - From the nano- to the macro-scale
S18:	Space missions: Probing comets, asteroids, planets & moons
Theme 04: Early Earth
S19:	The crust-mantle system in the Hadean and Early Archean
S20:	The early atmosphere and hydrosphere
S21:	Chemical geodynamics in the Hadean and Archean
S22:	Earth's first billion years - This symposium is dedicated to Bob Zartman
Theme 05: Earth's Mantle
S23:	Deep Earth mineralogy
S24:	Hidden reservoirs in the mantle: Required, desired, or superfluous?
S25:	Mantle processes and properties on multiple scales: Observation, experiment, modeling
S26:	Earth's energy Equation - Radioactive elements and heat flow in the core and mantle
S27:	A decade of Hf isotope research ­ What have we learned?
S28:	Siderophile and chalcophile trace elements in the earth's mantle
S29:	Magmatic phenocrysts and their inclusions as probes of mantle composition and melting
S30:	Melt formation and segregation in basalt source regions
S31:	Hotspots and LIPs: Plumes or shallow-mantle sources
Theme 06: Earth's Crust
S32:	Recycling of lower continental crust and implications for crustal and mantle geochemistry
S33:	Fluid-fluid equilibria in the crust
S34:	Accessory minerals as tracers of crustal processes
S35:	Peralkaline magmatic systems
S36:	Formation and evolution of granitic magmas
S37:	The Oceanic crust - Magma chamber processes and high-temperature reactions
S38:	The Oceanic crust - Hydrothermal processes
S39:	The Oceanic crust ­ Bio-geochemistry of hydrothermal fluids
S40:	From field observation to experimental petrology and back in memory of Werner Schreyer
Theme 07: Subduction Processes
S41:	Fluid-rock interaction and fluid loss during high-pressure metamorphism in subduction zones
S42:	Isotopic connections between metamorphism and magmatism in subduction zones
S43:	Experimental studies of the role of fluids in subduction processes
S44:	Mantle heterogeneity induced via ancient subduction
S45:	Volcanic processes and volatiles in island arcs
S46:	Magmatic differentiation in subduction zone volcanoes
Theme 08: Geochemical Constraints on Duration of Geologic Processes
S47:	Links between radioactive isotopes and diffusion modelling to constrain the timescales of magmatic processes
S48:	Rates of heat and mass transport through mid-ocean ridges
S49:	High-grade metamorphism: Duration and rates
Theme 09: Biogeochemistry and the Origin and Evolution of Life
S50:	Where Bio meets Geo: The deep subsurface and other extreme environments
S51:	Early evolution of life and bio/hydro/atmosphere
S52:	Novel molecular & isotopic approaches in modern and paleo systems
S53:	Geochemical records of environmental and biotic change in the Phanerozic
S54:	Organic matter metal interaction
S55:	Stable Isotopes in environmental biogeochemistry
S56:	Geochemical impact of anthropogenic activities on the riverine and coastal environment
S57:	Applications of hydrogen isotopes in organic geochemistry
S58:	Atmospheric Organic Pollutants: The role of and interplay with geochemistry
S59:	Compound-specific radiocarbon dating and its applications in biogeochemistry, sedimentology and paleo-environmental research
S60:	Organic imaging: biomarkers at the microscopic range
S61:	Biogeochemical interactions in soils
S62:	Geochemistry of biominerals
Theme 10: Water in Planetary Systems
S63:	Water in the early Earth
S64:	Earth´s deep water cycle
S65:	Water and volatiles in volcanic processes
S66:	Fluid properties at high pressure and temperature
S67:	Water on Mars
Theme 11: Geochemistry of Surface Processes
S68:	Chemical and physical weathering of basalt on the Earth, Moon, and Mars
S69:	Geochemical constraints on the topographic evolution of Cenozoic orogens_
S70:	In-situ cosmogenic nuclides: Advances in methodology and applications
S71:	Geochemical and model-driven approaches to determining reaction rates at the Earth's surface
S72:	New isotope tracers of chemical weathering
S73:	Advances in using isotopic tracers for groundwater studies_
S74:	The impact of plants on Earth-surface cycling and preservation of elements
S75:	Continental-scale earth surface geochemical mapping - recent progress and future directions, sponsored by IAGC
Theme 12: Atmospheres and Oceans
S76:	Marine biogeochemistry and Earth's atmosphere
S77:	Geochemical evidence for changing oceans
S78:	Multi-proxy investigations of the marine environment
S79:	Biogeochemistry in extreme marine environments
S80:	Biomineralization in the marine realm: Processes and signatures in natural and model systems
S81:	Mechanisms of CO2 storage in deep onshore and offshore geological formations
S82:	Timescales and rates of climate change
Theme 13: Environmental Geochemistry and Mineralogy
S83:	Frontiers in the biogeochemistry of acid mine drainage and acidic pit lakes
S84:	Radiogeochemical aspects of nuclear waste disposal
S85:	Geochemical records of recent environmental change in sediment systems
S86:	Natural and anthropogenic particulate matter in the atmosphere: Mineralogy, isotope geochemistry, environment, health
S87:	Microbial mineralization: from environmental processes to new technologies
S88:	Biogeochemical processes in natural acidic environments
S89:	Natural radioactive isotopes as tracers in studies of environmental processes
S90:	Trace element interactions with sulfur species in reducing environments
Theme 14: Mechanisms of Geochemical Processes in Nature and Experiment
S91:	Nano-scale investigations of mineral-water interface processes
S92:	Mechanisms of metasomatic reactions
S93:	Microbially mediated processes governing the redox cycling of metals
S94:	Mechanisms of growth and dissolution of carbonates: Applications to the environment and industry
S95:	Metal oxide surface reactivity from the nano to macro-scale
S96:	Speciation and reactivity of trace elements in natural environments
Theme 15: Applied Mineralogy and Archeometry
S97:	Aspects of Modern Ceramics
S98:	Aspects of Melts and Glasses
S99:	Archeometry
General Symposia
Theme 16: General Symposia
G01:	Analytical geochemistry
G02:	Atmospheric geochemistry
G03:	Biogeochemistry
G04:	Computational geochemistry
G05:	Cosmochemistry
G06:	Crystallography
G07:	Environmental geochemistry/mineralogy
G08:	Experimental geochemistry
G09:	Geochronology
G10:	Hydrology/Hydrogeochemistry
G11:	Hydrothermal geochemistry
G12:	Igneous geochemistry
G13:	Isotope geochemistry
G14:	Marine geochemistry
G15:	Metamorphic geochemistry
G16:	Mineral deposits