Masthead Logo Smith ScholarWorks Geosciences: Faculty Publications Geosciences 11-2009 From Decades to Epochs: Spanning the Gap Between Geodesy and Structural Geology of Active Mountain Belts Richard W. Allmendinger Cornell University John P. Loveless Harvard University,
[email protected] Matthew E. Pritchard Cornell University Brendan Meade Harvard University Follow this and additional works at: https://scholarworks.smith.edu/geo_facpubs Part of the Geology Commons Recommended Citation Allmendinger, Richard W.; Loveless, John P.; Pritchard, Matthew E.; and Meade, Brendan, "From Decades to Epochs: Spanning the Gap Between Geodesy and Structural Geology of Active Mountain Belts" (2009). Geosciences: Faculty Publications, Smith College, Northampton, MA. https://scholarworks.smith.edu/geo_facpubs/19 This Article has been accepted for inclusion in Geosciences: Faculty Publications by an authorized administrator of Smith ScholarWorks. For more information, please contact
[email protected] Manuscript Click here to view linked References 1 From decades to epochs: Spanning the gap between geodesy and 2 structural geology of active mountain belts 3 Richard W. Allmendinger1, John P. Loveless2, 4 Matthew E. Pritchard1, Brendan Meade2 5 1Dept. of Earth & Atmospheric Sciences Cornell University, Ithaca, N Y 14853-1504 6 2Dept. of Earth & Planetary Sciences, Harvard University, Cambridge, MA 7 Abstract 8 Geodetic data from the Global Navigation Satellite System (GNSS), and from sa- 9 tellite interferometric radar (InSAR) are revolutionizing how we look at instantaneou s 10 tectonic deformation, but the significance for long-term finite strain in orogenic belts is 11 less clear. We review two different ways of analyzing geodetic data: velocity gradient 12 fields from which one can extract strain, dilatation, and rotation rate, an d elastic block 13 modeling, which assumes that deformation is not continuous but occurs primarily on 14 networks of interconnected faults separating quasi-rigid blocks.