| Sunday Evening, 6:00-9:00 p.m. | |
| Science Center | Registration and Welcome Party |
| Monday Morning, 7:30 a.m. | |
| Science Center | Registration |
| Monday Morning, 8:15 a.m. | |
| Lecture Hall B | Plenary Session I: Introductory Remarks |
| Monday Morning, 8:30 a.m. | |
| Lecture Hall A | Global Cycles of Calcium and Carbon: Records and Models |
| Lecture Hall B | Absolute Timescale Calibration from the Big Bang to Noah's Ark |
| Lecture Hall C | The Nature of Igneous Layering and Melt Transport in Oceanic and Continental Layered Intrusions | Lecture Hall D | Atmospheric Geochemistry |
| Lecture Hall E | Geochemical Kinetics: Studies of Diffusion, Sorption, and Dissolution |
| Monday Afternoon, 1:30 p.m. | |
| Lecture Hall A | Molecular Records of Biological and Ecological Evolution: From Biomarkers to Phylogenetics |
| 3:30 p.m. Biogeochemistry | |
| Lecture Hall B | Dating Isotopic Signatures in the Early Solar System |
| Lecture Hall C | Mantle Melting: Sources, Timescales, Melt Migration, and Melt-Solid Interaction. Part I: Mid-Ocean Ridges |
| Lecture Hall D | History of Ocean Water and Its Salts |
| Lecture Hall E | Geochemistry of Hydrothermal Ore Deposits and Aqueous Geochemistry I: A Symposium in Honor of Hubert L. Barnes |
| Monday Afternoon, 5:15 p.m. | |
| Lecture Hall B | Plenary Session II: Induction of the 1999 EAG/GS Geochemistry Fellows |
| 5:30 p.m. Geochemical Society Presidential Address by Michael J. Drake | |
| Tuesday Morning, 8:30 a.m. | |
| Lecture Hall A | Black Carbon in the Environment I: Analytical Challenges |
| Lecture Hall B | Origin and Early Evolution of the Terrestrial Planets |
| Lecture Hall C | Mantle Melting: Sources, Timescales, Melt Migration, and Melt-Solid Interaction. Part II: The Arc Environment |
| Lecture Hall D | Marine Geochemistry I: Rare Earth Elements and Iron-Manganese Crusts |
| Lecture Hall E | Geochemistry of Hydrothermal Ore Deposits and Aqueous Geochemistry II: A Symposium in Honor of Hubert L. Barnes |
| Tuesday Afternoon, 1:30 p.m. | |
| Lecture Hall A | Black Carbon in the Environment II: Soils |
| Lecture Hall B | Continent Formation and Evolution I: Early Earth and Crustal Growth Rates |
| Lecture Hall C | Mantle Melting: Sources, Timescales, Melt Migration, and Melt-Solid Interaction. Part III: Melt Inclusions and Peridotites |
| Lecture Hall D | Marine Geochemistry II: Marine Chemistry |
| Lecture Hall E | Geochemistry of Hydrothermal Ore Deposits and Aqueous Geochemistry III: A Symposium in Honor of Hubert L. Barnes |
| Tuesday Afternoon, 5:15 p.m. | |
| Lecture Hall B | Plenary Session III: Patterson Award |
| 5:35 p.m. Lecture by Gerald J. Wasserburg | |
| Tuesday Evening, 8:30-10:00 p.m. | Science Center | Poster Session |
| Wednesday Morning, 8:30 a.m. | |
| Lecture Hall A | Black Carbon in the Environment III: Sediments | Lecture Hall B | Goldschmidt's Legacy I: A Symposium in Honor of Brian Mason |
| Lecture Hall C | Mantle Melting: Sources, Timescales, Melt Migration, and Melt-Solid Interaction. Part IV: Ocean Island Basalts |
| Lecture Hall D | Marine Geochemistry III: Paleoceanography and Paleoclimatology |
| Lecture Hall E | Geochemistry of Hydrothermal Ore Deposits and Aqueous Geochemistry IV: A Symposium in Honor of Hubert L. Barnes |
| Wednesday Afternoon, 1:30 p.m. | |
| Lecture Hall A | Geochemical Perspectives on Weathering |
| Lecture Hall B | Goldschmidt's Legacy II: A Symposium in Honor of Brian Mason |
| 3:30 p.m. Continent Formation and Evolution II: Dynamics of Growth and Loss | |
| Lecture Hall C | Mantle Melting: Sources, Timescales, Melt Migration, and Melt-Solid Interaction. Part V: Ocean Island Basalts and Continental Lavas |
| Lecture Hall D | Marine Geochemistry IV: Paleoceanography and Paleoclimatology |
| Lecture Hall E | Isotopic Tracers of Human Influence on the Environment |
| Wednesday Evening, 6:30-9:30 p.m. | Memorial Hall | 6:30-7:30 p.m. Cocktail Hour 7:30-9:30 p.m. Banquet, Goldschmidt and Clarke Awards |
| Thursday Morning, 8:30 a.m. | |
| Lecture Hall A | Microbial Biogeochemistry I: Aquatic and Sediments |
| Lecture Hall B | Continent Formation and Evolution III: Recycling and Subduction Flux |
| 9:30 a.m. Continent Formation and Evolution IV: Lower Crust | |
| Lecture Hall C | The Deep Earth: Reconciling Geochemical, Geophysical, and Mineral Physics Constraints |
| Lecture Hall D | Precambrian Oceans and Atmospheres I |
| Lecture Hall E | Availability and Reactivity of Environmental Contaminants |
| Thursday Afternoon, 1:30 p.m. | |
| Lecture Hall A | Microbial Biogeochemistry II: Aquatic and Sediments |
| Lecture Hall B | Continent Formation and Evolution V: Lithospheric Mantle |
| Lecture Hall C | Experimental Petrology |
| Lecture Hall D | Precambrian Oceans and Atmospheres II |
| Lecture Hall E | Environmental Geochemistry I: Field Studies |
| Thursday Afternoon, 5:15 p.m. | |
| Lecture Hall B | Plenary Session IV: Urey Award |
| 5:35 p.m. Lecture by Karl K. Turekian | |
| Friday Morning, 8:30 a.m. | |
| Lecture Hall A | Experimental and Theoretical Geomicrobiology I |
| Lecture Hall B | Crustal Geochemistry I |
| Lecture Hall C | Advances in Analytical Techniques I |
| Lecture Hall D | Geochemical Signatures of Mass Extinction |
| Lecture Hall E | Environmental Geochemistry II: Experimental Studies |
| Friday Afternoon, 1:30 p.m. | |
| Lecture Hall B | Plenary Session V: Paul Gast Lecture by Bernard J. Wood |
| Friday Afternoon, 3:00 p.m. | Lecture Hall A | Experimental and Theoretical Geomicrobiology II |
| Lecture Hall B | Crustal Geochemistry II |
| Lecture Hall C | Mantle Geochemistry |
| Lecture Hall D | Advances in Analytical Techniques II |
| Lecture Hall E | Environmental Geochemistry III: Theoretical and Isotopic Studies |
| Friday Evening, 5:00-9:00 p.m. | |
| Hoffman Lounge | Farewell Party |