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Volume 45, Number 7
1 July 2017
Geology Cover Image for Volume 45, Issue 7
ISSN: 0091-7613
EISSN: 1943-2682
In this Issue

Articles

Fluid-rock interaction is decisive for the formation of tungsten deposits
Pilar Lecumberri-Sanchez; R. Vieira; C.A. Heinrich; F. Pinto; M. Wӓlle
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10Be dating of late Pleistocene megafloods and Cordilleran Ice Sheet retreat in the northwestern United States
Andrea M. Balbas; Aaron M. Barth; Peter U. Clark; Jorie Clark; Marc Caffee; Jim O’Connor; Victor R. Baker; Kevin Konrad; Bruce Bjornstad
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The onset of the Dead Sea transform based on calcite age-strain analyses
P. Nuriel; R. Weinberger; A.R.C. Kylander-Clark; B.R. Hacker; J.P. Craddock
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Did Paleo-Tethyan anoxia kill arc magma fertility for porphyry copper formation?
Jeremy P. Richards; A.M. Celâl Şengör
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Biological memory of the first Pleistocene glaciation in New Zealand
Dave Craw; Phaedra Upton; Jon Waters; Graham Wallis
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Magma sheets defined with magnetic susceptibility in the Maiden Creek sill, Henry Mountains, Utah, USA
Sven Morgan; Rebecca Jones; Jeremy Conner; James Student; Megan Schaner; Eric Horsman; Michel de Saint Blanquat
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A triple S-shaped compositional profile in a Karoo dolerite sill—Evidence of concurrent multiple fractionation processes
R.G. Cawthorn; S.Y. Chistyakova; R.M. Latypov; V.S. Kamenetsky; L.V. Danyushevsky
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Precarious ephemeral refugia during the earliest Triassic
Amanda Godbold; Shane Schoepfer; Shuzhong Shen; Charles M. Henderson
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Biotic effects on oxygen consumption during weathering: Implications for the second rise of oxygen
Yoshiki Kanzaki; Lee R. Kump
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Persistence of a freshwater surface ocean after a snowball Earth
Jun Yang; Malte F. Jansen; Francis A. Macdonald; Dorian S. Abbot
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Middle Eocene CO2 and climate reconstructed from the sediment fill of a subarctic kimberlite maar
Alexander P. Wolfe; Alberto V. Reyes; Dana L. Royer; David R. Greenwood; Gabriela Doria; Mary H. Gagen; Peter A. Siver; John A. Westgate
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Zircon petrochronological evidence for a plutonic-volcanic connection in porphyry copper deposits
Yannick Buret; Jörn-Frederik Wotzlaw; Stan Roozen; Marcel Guillong; Albrecht von Quadt; Christoph A. Heinrich
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Small profile concavity of a fine-bed alluvial channel
Jongmin Byun; Kyungrock Paik
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A volcanic trigger for the Late Ordovician mass extinction? Mercury data from south China and Laurentia
David S. Jones; Anna M. Martini; David A. Fike; Kunio Kaiho
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Recognizing seamount-forearc collisions at accretionary margins: Insights from discrete numerical simulations
Julia K. Morgan; Nathan L. Bangs
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Xenoconformities and the stratigraphic record of paleoenvironmental change
Alan R. Carroll
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El Niño–Southern Oscillation–like variability in a late Miocene Caribbean coral
Thomas L. Weiss; Rhawn F. Denniston; Alan D. Wanamaker, Jr.; Gabriele Villarini; Anna S. von der Heydt
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Plateau subduction, intraslab seismicity, and the Denali (Alaska) volcanic gap
Lindsay Chuang; Michael Bostock; Aaron Wech; Alexandre Plourde
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Millennial-scale ocean dynamics controlled export productivity in the subtropical North Pacific
Dawei Li; Li-Wei Zheng; Samuel L. Jaccard; Tien-Hsi Fang; Adina Paytan; Xufeng Zheng; Yuan-Pin Chang; Shuh-Ji Kao
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Monsoonal upwelling in the western Arabian Sea since the middle Miocene
Guangsheng Zhuang; Mark Pagani; Yi Ge Zhang
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Global biogeography of Albian ammonoids: A network-based approach
Alexis Rojas; Pedro Patarroyo; Liang Mao; Peter Bengtson; Michał Kowalewski
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Increased mud deposition reduces stromatolite complexity
Tyler J. Mackey; Dawn Y. Sumner; Ian Hawes; Anne D. Jungblut; Justin Lawrence; Sasha Leidman; Brian Allen
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Dating the Paleoproterozoic snowball Earth glaciations using contemporaneous subglacial hydrothermal systems
D.O. Zakharov; I.N. Bindeman; A.I. Slabunov; M. Ovtcharova; M.A. Coble; N.S. Serebryakov; U. Schaltegger
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Research Focus

Introducing the Xenoconformity
Galen P. Halverson
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Forum

Paleozoic echinoderm hangovers: Waking up in the Triassic: COMMENT
Daniel B. Blake
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Paleozoic echinoderm hangovers: Waking up in the Triassic: REPLY
Ben Thuy; Hans Hagdorn; Andy S. Gale
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Paleozoic echinoderm hangovers: Waking up in the Triassic: COMMENT
Mariusz A. Salamon; Przemysław Gorzelak
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Paleozoic echinoderm hangovers: Waking up in the Triassic: REPLY
Ben Thuy
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  • Cover Image

    Cover Image

    issue cover

    COVER: In the Lower Grand Coulee of Washington State (USA), a chaotic butte and basin scabland was deeply eroded into Columbia River basalt as recently as 15,000 yr ago by repeated outburst floods from Glacial Lake Missoula. The pockmarked surface was swept by megafloods hundreds of feet deep flowing up to ~110 km/hr before discharging into the Quincy Basin. See Balbas et al., “10Be dating of late Pleistocene megafloods and Cordilleran Ice Sheet retreat in the northwestern United States”, p. 583–586.

    Photo by: Bruce Bjornstad

    Cover design by: Heather L. Sutphin

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  • Online ISSN 1943-2682
  • ISSN 0091-7613
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