U.S. Geological Survey Open-File Report 2007-1047 Antarctica: A Keystone in a Changing World—Online Proceedings for the 10th International Symposium on Antarctic Earth Sciences Santa Barbara, California, U.S.A.—August 26 to September 1, 2007 Edited by Alan Cooper, Carol Raymond, and the 10th ISAES Editorial Team 2007 Extended Abstracts Extended Abstract 001 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea001.pdf Ross Aged Ductile Shearing in the Granitic Rocks of the Wilson Terrane, Deep Freeze Range area, north Victoria Land (Antarctica) by Federico Rossetti, Gianluca Vignaroli, Fabrizio Balsamo, and Thomas Theye Extended Abstract 002 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea002.pdf Postcollisional Magmatism of the Ross Orogeny (Victoria Land, Antarctica): a Granite- Lamprophyre Genetic Link S. Rocchi, G. Di Vincenzo, C. Ghezzo, and I. Nardini Extended Abstract 003 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea003.pdf Age of Boron- and Phosphorus-Rich Paragneisses and Associated Orthogneisses, Larsemann Hills: New Constraints from SHRIMP U-Pb Zircon Geochronology by C. J. Carson, E.S. Grew, S.D. Boger, C.M. Fanning and A.G. Christy Extended Abstract 004 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea004.pdf Terrane Correlation between Antarctica, Mozambique and Sri Lanka: Comparisons of Geochronology, Lithology, Structure And Metamorphism G.H. Grantham, P.H. Macey, B.A. Ingram, M.P. Roberts, R.A. Armstrong, T. Hokada, K. by Shiraishi, A. Bisnath, and V. Manhica Extended Abstract 005 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea005.pdf New Approaches and Progress in the Use of Polar Marine Diatoms in Reconstructing Sea Ice Distribution by A. Leventer, L. Armand, D. Harwood, R. Jordan, and R. Ligowski, Extended Abstract 006 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea006.pdf The Applicability of Topographic Mapping in Antarctica with the Advanced Land Observing Satellite (ALOS) by R.D. Sanchez, J.L. Mullins, and A.C. Echols Extended Abstract 007 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea007.pdf Antarctic Meteorological Data – Collection, Archive, and Distribution by Shelley L. Knuth, Charles R. Stearns, Matthew A. Lazzara, George A. Weidner, Linda M. Keller, and Jonathan E. Thom 1 Extended Abstract 008 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea008.pdf Molecular Data Can Help to Unveil Biogeographic Complexities since the Miocene: Lessons from Ameronothroid Mites and Isotomid Springtails by B. J. van Vuuren, E. Mortimer, M. I. Stevens, D. J. Marshall, P. Convey, S. R. Daniels, S. L. Chown Extended Abstract 009 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea009.pdf Tidal Forcing on David Glacier and Drygalski Ice Tongue by G. Casula, S. Danesi, M.Dubbini, and L. Vittuari Extended Abstract 010 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea010.pdf Authigenic Clay Minerals in Rock Matrices and Fractures from CRP-2 and CRP-3 Cores (Antarctica) by G. Giorgetti, T.J. Wilson, C. Millan, and F.S. Aghib Extended Abstract 011 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea011.pdf Hydroacoustic Monitoring of the Bransfield Strait and Drake Passage, Antarctica: A First Analysis of Seafloor Seismicity, Cryogenic Acoustic Sources, and Cetacean Vocalizations by R.P. Dziak, M. Park, H. Matsumoto, D.R. Bohnenstiehl, J.H. Haxel, D.K. Mellinger, K. Stafford, and Won Sang Lee Extended Abstract 012 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea012.pdf Gravity Survey along a Traverse from Patriot Hills to the South Pole by G. Reitmayr, G. Casassa, C. Iturrieta, A. Wendt, and R. Zamora Extended Abstract 013 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea013.pdf Evidence for a Long Warm Interglacial during Marine Isotope Stage 31: Comparison of Two Studies at Proximal and Distal Marine Sites in the Southern Ocean by L. Teitler, G. Kupp, D. Warnke, and L. Burckle Extended Abstract 014 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea014.pdf Modelling Recent Airborne Gravity Data over the Antarctic Peninsula for Regional Geoid Improvement by Mirko Scheinert, Fausto Ferraccioli, Jan Müller, Tom Jordan, and Reinhard Dietrich Extended Abstract 015 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea015.pdf Spatial and Temporal Distribution of Ikaite Crystals in Antarctic Glacial Marine Sediments by Eugene W. Domack, Galen Halverson, Veronica Willmott, Amy Leventer, Stefanie Brachfeld, and Scott Ishman Extended Abstract 016 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea016.pdf Tectonic Implications for Uplift of the Transantarctic Mountains by J.F. Lawrence, J.W. van Wijk, and N.W. Driscoll 2 Extended Abstract 017 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea017.pdf Neotectonic and Other Features of the Victoria Land Basin, Antarctica, Interpreted from Multibeam Bathymetry Data by L.A. Lawver, M.B. Davis, T.J. Wilson, and shipboard scientific party Extended Abstract 018 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea018.pdf Stable Isotopic and Foraminiferal Evidence of Larsen-B Ice Shelf Stability throughout the Holocene by S. Ishman, M. Prentice, S. McCallum, E. Domack, A. Leventer, and V. Willmott Extended Abstract 019 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea019.pdf New Marine Sediment Core Data Support Holocene Stability of the Larsen B Ice Shelf by E.W. Domack, A. Leventer, V. Willmott, S. Brachfeld, S. Ishman, B. Huber, M. Rebesco, F. Zgur, L. Padman, and R. Gilbert Extended Abstract 020 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea020.pdf Magnetic Susceptibility of West Antarctic Rocks by D.J. Drewry and E.J. Jankowski Extended Abstract 021 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea021.pdf GPS Surveys to Detect Active Faulting in the Transantarctic Mountains, Antarctica by S.A. Konfal, T.J. Wilson, and M.J. Willis Extended Abstract 022 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea022.pdf Regional Geoid and Gravity Field from a Combination of Airborne and Satellite Data in Dronning Maud Land, East Antarctica by Jan Müller, SvenRiedel, MirkoScheinert, Martin Horwath, Reinhard Dietrich, Daniel Steinhage, Helgard Anschütz, and Wilfried Jokat Extended Abstract 023 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea023.pdf GIS Based Data Compilation of the New International Bathymetric Chart of the Southern Ocean (IBCSO) by N. Ott and H.W. Schenke Extended Abstract 024 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea024.pdf Showing a Strong Link between Climatic and pCO2 Changes: Resolving Discrepancies between Oceanographic and Antarctic Climate Records for the Oligocene and Early Miocene (34-16 Ma) by S.F. Pekar, and N. Christie-Blick Extended Abstract 025 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea025.pdf Three-Dimensional P Wave Tomography of Deception Island Volcano, South Shetland Islands by D. Zandomeneghi, A.H. Barclay, J. Almendros, J.M. Ibáñez, T. Ben-Zvi, W.S.D. Wilcock, and the TOMODEC Working Group 3 Extended Abstract 026 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea026.pdf ABRIS Project: New Bedrock Topography Map for Central Antarctica by S.V. Popov, G.L. Leitchenkov, M. Yu. Moskalevsky, V.V. Kharitonov, V.N. Masolov, and the BEDMAP Consortium Extended Abstract 027 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea027.pdf Upper Mantle Seismic Anisotropy of South Victoria Land/Ross Island, Antarctica from SKS and SKKS Splitting Analysis by Mitchell Barklage, Douglas A. Wiens, Andrew Nyblade, and Sridhar Anandakrishnan Extended Abstract 028 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea028.pdf Drake Passage and Bransfield Strait—New Geophysical Data and Modelling of the Crustal Structure by S.P. Levashov, N.A. Yakymchuk, I.N. Korchagin, V.G. Bachmutov, V.D. Solovyov, and D.N. Bozhezha Extended Abstract 029 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea029.pdf Kerguelen Plateau Benthic Foraminifera as a Proxy for Late Neogene Water Mass History and Antarctic Glacial-Deglacial Cycles by K. Johnson Extended Abstract 030 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea030.pdf One Hundred Negative Magnetic Anomalies over the West Antarctic Ice Sheet (WAIS), in Particular Mt. Resnik, a Subaerially Erupted Volcanic Peak, Indicate Eruption through at Least One Field Reversal by J.C. Behrendt, C. Finn, D.L. Morse, and D.D. Blankenship Extended Abstract 031 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea031.pdf Moho Topography of the West Antarctic Rift System from Inversion of Aerogravity Data: Ramifications for Geothermal Heat Flux and Ice Streaming by Michael Studinger and Robin E. Bell Extended Abstract 032 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea032.pdf Estimating the Salinity of Subglacial Lakes from Aerogeophysical Data by Michael Studinger Extended Abstract 033 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea033.pdf Proposed Subglacial Antarctic Lake Environment Access Methodology by W.W. Fleckenstein and A.W. Eustes Extended Abstract 034 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea034.pdf Exceptionally Well-Preserved Triassic and Early Jurassic Floras from North Victoria Land, Antarctica by B. Bomfleur, J. Schneider, R. Schöner, L. Viereck-Götte, and H. Kerp 4 Extended Abstract 035 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea035.pdf Short-Period Rayleigh-Wave Group Velocities in Antarctica Determined by the Cross- Correlation of Ambient Seismic Noise from the TAMSEIS Array by M.L. Pyle, D.A. Wiens, A. Nyblade, S. Anandakrishnan Extended Abstract 036 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea036.pdf Crust and Upper Mantle in Dronning Maud Land, Antarctica, Retrieved from Shear- Wave Splitting, Receiver Functions, Seismic Refraction and 3-D Gravity Modelling by B. Bayer, Ch. Müller, W.H. Geissler, D.W. Eaton, A. Eckstaller, and W. Jokat Extended Abstract 037 http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea037.pdf Insights into the East Antarctic Ice Sheet, 3.5 to 19 Ma, Inferred from Iceberg Provenance by T.