Tectonics

Cover image for Tectonics

December 2012

Volume 31, Issue 6

    1. Paleozoic to early Cenozoic cooling and exhumation of the basement underlying the eastern Puna plateau margin prior to plateau growth

      N. Insel, M. Grove, M. Haschke, J. B. Barnes, A. K. Schmitt and M. R. Strecker

      Article first published online: 22 DEC 2012 | DOI: 10.1029/2012TC003168

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      Key Points

      • Cooling histories from Ordovician Puna granites are noticeably different
      • Differences in timing of cooling/fault initiation reflect crustal disparities
      • Cooling throughout the Cenozoic was <150C; thus, total Cenozoic unroofing <6-4 km
    2. On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides

      L. Matenco and D. Radivojević

      Article first published online: 22 DEC 2012 | DOI: 10.1029/2012TC003206

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      Key Points

      • Novel early to late Miocene extensional evolution
      • Migration in time and space of the normal faulting
      • Novel component of rollback of a Dinaridic slab
    3. Integrated gravity and topography analysis in analog models: Intraplate deformation in Iberia

      Javier Fernández-Lozano, Dimitrios Sokoutis, Ernst Willingshofer, Endre Dombrádi, Alfonso M. Martín, Gerardo De Vicente and Sierd Cloetingh

      Article first published online: 12 DEC 2012 | DOI: 10.1029/2012TC003122

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      Key Points

      • Gravity analysis of analogue models
      • Folding and thickening result in distinctive gravity signals
      • Topography of eastern Iberia due to folding and western Iberia due to thickening
    4. Stratigraphic evidence of a Middle Pleistocene climate-driven flexural uplift in the Alps

      Giancarlo Scardia, Roberto De Franco, Giovanni Muttoni, Sergio Rogledi, Grazia Caielli, Cipriano Carcano, Dario Sciunnach and Andrea Piccin

      Article first published online: 12 DEC 2012 | DOI: 10.1029/2012TC003108

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      Key Points

      • A shift from distal to proximal braid plain occurred at ~0.45 Ma in the Po Plain
      • This shift is ascribed to the flexural rebound of the northern Po Plain
      • Flexural rebound is produced by climate-driven unloading and uplift of the Alps
    5. The Binalud Mountains: A key piece for the geodynamic puzzle of NE Iran

      Esmaeil Shabanian, Olivier Bellier, Lionel Siame, Mohammad R. Abbassi, Didier Bourlès, Régis Braucher and Yassaman Farbod

      Article first published online: 28 NOV 2012 | DOI: 10.1029/2012TC003183

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      Key Points

      • Three episodes of alluvial surface abandonment are dated at ~4.8, ~105, and ~255 ka
      • The northward motion of central Iran-Eurasia is suggested at ~3.8 mm/yr
      • Active faulting in Binalud argues for the rigid faulting model in NE Iran
    6. The sub-Himalayan fold-thrust belt in the 1905 Kangra earthquake zone: A critical taper model perspective for seismic hazard analysis

      T. Singh, A. K. Awasthi and R. Caputo

      Article first published online: 7 NOV 2012 | DOI: 10.1029/2012TC003120

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      Key Points

      • The paper represents original research based on an integrated analysis
      • All available data are analyzed in the frame of critical taper model
      • Critical analysis of possible seismotectonic scenarios improving SHA
    7. New constraints on the origin of the Sierra Madre de Chiapas (south Mexico) from sediment provenance and apatite thermochronometry

      C. Witt, S. Brichau and A. Carter

      Article first published online: 3 NOV 2012 | DOI: 10.1029/2012TC003141

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      Key Points

      • Tectonic evolution of the Sierra Madre de Chiapas
      • Exhumation and sediment provenance at the Sierra Madre de Chiapas
      • Evolution of the limit between the Caribbean and North American plates

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