Imaging Near-Surface to Deep Lithospheric Structure Using Gravity, Magnetic, and Electromagnetic Methods I

Wednesday, 17 December 2014: 8:00 AM-10:00 AM
Chairs:  Jonathan M.G. Glen, USGS California Water Science Center Menlo Park, Menlo Park, CA, United States and Richard J. Blakely, U.S. Geological Survey, Menlo Park, CA, United States
Primary Conveners:  David A Ponce, U.S. Geological Survey, Menlo Park, CA, United States
Co-conveners:  Fabio Caratori Tontini1, Jonathan M.G. Glen2 and Richard J Blakely2, (1)GNS Science, Lower Hutt, New Zealand(2)USGS, Menlo Park, CA, United States
OSPA Liaisons:  Richard J. Blakely, U.S. Geological Survey, Menlo Park, CA, United States

Abstracts Submitted to this Session:

8:00 AM
The Effect of Finite Thickness Extent on Estimating Depth to Basement from Aeromagnetic Data
Ahmed Salem1, Richard Blakely Blakely2, Chris M Green3, Derek Fairhead1 and Dhananjay Ravat4, (1)GETECH, Leeds, United Kingdom, (2)USGS, Menlo Park, CA, United States, (3)University of Leeds, Leeds, LS2, United Kingdom, (4)University of Kentucky, Lexington, KY, United States
8:15 AM
An Equivalent Source Method for Modelling the Lithospheric Magnetic Field Using Satellite and Airborne Magnetic Data
Livia Kathleen Kother1, Magnus D. Hammer1, Christopher C Finlay1 and Nils Olsen2, (1)DTU Space, Lyngby, Denmark, (2)DTU Space, Kongens Lyngby, Denmark
8:30 AM
Calculation and Analysis of Magnetic Gradient Tensor Components of Global Magnetic Models
Markus Schiffler1,2, Matthias Queitsch1,2, Michael Schneider2,3, Andreas Goepel1, Ronny Stolz2, Wolfram Krech2, Hans-Georg Meyer2 and Nina Kukowski1, (1)Friedrich Schiller University of Jena, Institute of Geosciences, Jena, Germany, (2)Leibniz Institute of Photonic Technology, Department of Photonic Detection, Jena, Germany, (3)Ilmenau University of Technology, Institute of Biomedical Engineering and Informatics, Ilmenau, Germany
8:45 AM
Submarine Hydrothermal Sites in Arc Volcanic-Back Arc Environment: Insight from Recent Marine Geophysical Investigations in the Southern Tyrrhenian Sea.
Luca Cocchi1, Marco Ligi2, Giovanni Bortoluzzi2, Sven Petersen3, Sean Plunkett4, Filippo Muccini1, Simonepietro Canese5, Fabio Caratori Tontini6 and Cosmo Carmisciano1, (1)Istituto Nazionale di Geofisica e Vulcanologia, Fezzano, Italy, (2)Istituto di Scienze Marine CNR, Bologna, Italy, (3)GEOMAR, Helmholtz Center for Ocean Research, Kiel, Germany, (4)Nautilus Minerals, Milton, Queensland, Australia, (5)ISPRA Istituto Superiore per la Protezione e la Ricerca Ambientale, Rome, Italy, (6)GNS Science, Lower Hutt, New Zealand
9:00 AM
Unveiling subglacial geology and crustal architecture in the Recovery frontier of East Antarctica with recent aeromagnetic and airborne gravity imaging
Fausto Ferraccioli1, Rene Forsberg2, Tom A Jordan3, Kenichi Matsuoka4, Arne Olsen2, Owen King3 and Marta Ghidella5, (1)NERC British Antarctic Survey, Cambridge, CB3, United Kingdom, (2)Technical University of Denmark - Space, Kongens Lyngby, Denmark, (3)NERC British Antarctic Survey, Cambridge, United Kingdom, (4)Norwegian Polar Institute, Tromsø, Norway, (5)Instituto Antarctico Argentino, Buenos Aires, Argentina
9:15 AM
3D Geometry of Fault Intersections in Central California: The Importance of Ultramafic Ophiolitic Rocks
Janet Tilden Watt1, David A Ponce2 and Samuel Y Johnson1, (1)USGS, Santa Cruz, CA, United States, (2)U.S. Geological Survey, Menlo Park, CA, United States
9:30 AM
Near-surface structure of the Central Scandinavian Caledonides in northern Trøndelag, Norway, from correlation of seismic and MT profiles using gravity and magnetic data
Joerg Ebbing1, Lena Goerigk1, Aziz Nasuti2, David Roberts2, Toivo Johannes Korja3 and Maxim Smirnov3, (1)University of Kiel, Kiel, Germany, (2)Geological Survey of Norway, Trondheim, Norway, (3)University of Oulu, Oulu, Finland
9:45 AM
Geophysical expression of a buried niobium and rare earth element deposit: the Elk Creek carbonatite, Nebraska, USA
Benjamin Drenth1, Jeffrey D Phillips1, Andy Kass1 and Richard A Krahenbuhl2, (1)USGS, Denver, CO, United States, (2)Colorado School of Mines, Golden, CO, United States