Issues

TECTONICS

Oldest Paleo-Tethyan ophiolitic mélange in the Tibetan Plateau

Qing-guo Zhai; Bor-ming Jahn; Jun Wang; Pei-yuan Hu; Sun-lin Chung; Hao-yang Lee; Suo-han Tang; Yue Tang

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GSA Bulletin March 01, 2016, Vol.128, 355-373. doi:10.1130/B31296.1

Spatio-temporal evolution of intraplate strike-slip faulting: The Neogene–Quaternary Kuh-e-Faghan Fault, central Iran

Gabriele Calzolari; Federico Rossetti; Marta Della Seta; Reza Nozaem; Valerio Olivetti; Maria Laura Balestrieri; Domenico Cosentino; Claudio Faccenna; Finlay M. Stuart; Gianluca Vignaroli

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GSA Bulletin March 01, 2016, Vol.128, 374-396. doi:10.1130/B31266.1

Synchronous opening of the Rio Grande rift along its entire length at 25–10 Ma supported by apatite (U-Th)/He and fission-track thermochronology, and evaluation of possible driving mechanisms

Jason W. Ricketts; Shari A. Kelley; Karl E. Karlstrom; Brandon Schmandt; Magdalena S. Donahue; Jolante van Wijk

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GSA Bulletin March 01, 2016, Vol.128, 397-424. doi:10.1130/B31223.1

High-resolution temporal and stratigraphic record of Siletzia’s accretion and triple junction migration from nonmarine sedimentary basins in central and western Washington

Michael P. Eddy; Samuel A. Bowring; Paul J. Umhoefer; Robert B. Miller; Noah M. McLean; Erin E. Donaghy

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GSA Bulletin March 01, 2016, Vol.128, 425-441. doi:10.1130/B31335.1

STRATIGRAPHY

Integrated stratigraphic, geochemical, and paleontological late Ediacaran to early Cambrian records from southwestern Mongolia

Emily F. Smith; Francis A. Macdonald; Tanya A. Petach; Uyanga Bold; Daniel P. Schrag

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GSA Bulletin March 01, 2016, Vol.128, 442-468. doi:10.1130/B31248.1

QUATERNARY GEOLOGY/GEOMORPHOLOGY

Post-tectonic landscape evolution of a coupled basin and range: Pinaleño Mountains and Safford Basin, southeastern Arizona

Matthew C. Jungers; Arjun M. Heimsath

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GSA Bulletin March 01, 2016, Vol.128, 469-486. doi:10.1130/B31276.1

Petrology

Systematic mineralogical diversity in A-type granitic intrusions: Control of magmatic source and geological processes

Angeliki Papoutsa; Georgia Pe-Piper; David J.W. Piper

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GSA Bulletin March 01, 2016, Vol.128, 487-501. doi:10.1130/B31245.1

PALEOCLIMATOLOGY

Coupling of marine and continental oxygen isotope records during the Eocene-Oligocene transition

Nathan D. Sheldon; Stephen T. Grimes; Jerry J. Hooker; Margaret E. Collinson; Melanie J. Bugler; Michael T. Hren; Gregory D. Price; Paul A. Sutton

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GSA Bulletin March 01, 2016, Vol.128, 502-510. doi:10.1130/B31315.1

PRECAMBRIAN GEOLOGY

An authigenic origin for Precambrian greenalite: Implications for iron formation and the chemistry of ancient seawater

Nicholas J. Tosca; Stephen Guggenheim; Peir K. Pufahl

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GSA Bulletin March 01, 2016, Vol.128, 511-530. doi:10.1130/B31339.1

GEOCHEMISTRY

A hot and high Eocene Sierra Nevada

Hari T. Mix; Daniel E. Ibarra; Andreas Mulch; Stephan A. Graham; C. Page Chamberlain

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GSA Bulletin March 01, 2016, Vol.128, 531-542. doi:10.1130/B31294.1

Assimilation, differentiation, and thickening during formation of arc crust in space and time: The Jurassic Bonanza arc, Vancouver Island, Canada

Rameses J. D’Souza; Dante Canil; Robert A. Creaser

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GSA Bulletin March 01, 2016, Vol.128, 543-557. doi:10.1130/B31289.1

Oxygen, facies, and secular controls on the appearance of Cryogenian and Ediacaran body and trace fossils in the Mackenzie Mountains of northwestern Canada

Erik A. Sperling; Calla Carbone; Justin V. Strauss; David T. Johnston; Guy M. Narbonne; Francis A. Macdonald

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GSA Bulletin March 01, 2016, Vol.128, 558-575. doi:10.1130/B31329.1

GEOMORPHOLOGY: UPLIFT AND EROSION

Late Cenozoic evolution of high-gradient trough mouth fans and canyons on the glaciated continental margin offshore Troms, northern Norway—Paleoclimatic implications and sediment yield

Tom Arne Rydningen; Jan Sverre Laberg; Vidar Kolstad

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GSA Bulletin March 01, 2016, Vol.128, 576-596. doi:10.1130/B31302.1

PALEOCLIMATOLOGY

Low seasonality in central equatorial Pangea during a late Carboniferous highstand based on high-resolution isotopic records of brachiopod shells

Andy Roark; Ethan L. Grossman; Joseph Lebold

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GSA Bulletin March 01, 2016, Vol.128, 597-608. doi:10.1130/B31330.1

A unique annually laminated maar lake sediment record shows orbital control of Southern Hemisphere midlatitude climate across the Oligocene-Miocene boundary

B.R.S. Fox; G.S. Wilson; D.E. Lee

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GSA Bulletin March 01, 2016, Vol.128, 609-626. doi:10.1130/B31349.1

Neotectonics/paleoseismicity

A 2000 yr rupture history for the Alpine fault derived from Lake Ellery, South Island, New Zealand

Jamie D. Howarth; Sean J. Fitzsimons; Richard J. Norris; Robert Langridge; Marcus J. Vandergoes

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GSA Bulletin March 01, 2016, Vol.128, 627-643. doi:10.1130/B31300.1

SEDIMENTARY GEOLOGY

Tectonic evolution from subduction to arc-continent collision of the Junggar ocean: Constraints from U-Pb dating and Hf isotopes of detrital zircons from the North Tianshan belt, NW China

Xiaoran Zhang; Guochun Zhao; Min Sun; Paul R. Eizenhöfer; Yigui Han; Wenzhu Hou; Dongxing Liu; Bo Wang; Qian Liu; Bing Xu

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GSA Bulletin March 01, 2016, Vol.128, 644-660. doi:10.1130/B31230.1

Hydrogeology

Application of actualistic sand petrofacies in hydrogeology: An example from the northern Sacramento Valley, California, USA

Raymond V. Ingersoll; Martin G. Steinpress; Debbie Spangler

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GSA Bulletin March 01, 2016, Vol.128, 661-668. doi:10.1130/B31334.1

STRUCTURAL GEOLOGY

Effects of lateral friction on the structural evolution of fold-and-thrust belts: Insights from sandbox experiments with implications for the origin of landward-vergent thrust wedges in Cascadia

Jianxun Zhou; Bo Zhang; Qiang Xu

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GSA Bulletin March 01, 2016, Vol.128, 669-683. doi:10.1130/B31320.1

TECTONIC GEOMORPHOLOGY

Paleoseismology of the Mount Narryer fault zone, Western Australia: A multistrand intraplate fault system

Beau B. Whitney; Dan Clark; James V. Hengesh; Paul Bierman

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GSA Bulletin March 01, 2016, Vol.128, 684-704. doi:10.1130/B31313.1