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Volume 49, Number 8
1 August 2021
Geology Cover Image for Volume 49, Issue 8
ISSN: 0091-7613
EISSN: 1943-2682
In this Issue

Articles

Controls on the origin and evolution of deep-ocean trench-axial channels
Adam D. McArthur; Daniel E. Tek
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Transient Permian-Triassic euxinia in the southern Panthalassa deep ocean
S.E. Grasby; D.P.G. Bond; P.B. Wignall; R. Yin; L.J. Strachan; S. Takahashi
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How Himalayan collision stems from subduction
M. Soret; K.P. Larson; J. Cottle; A. Ali
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Ghost-dune hollows of the eastern Snake River Plain, Idaho: Their genesis, evolution, and relevance to Martian ghost-dune pits
David R. Gaylord; Tammy M. Rittenour; Paul K. Link; Brent D. Turrin; Mel A. Kuntz
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Ferric iron triggers greenalite formation in simulated Archean seawater
Isaac L. Hinz; Christine Nims; Samantha Theuer; Alexis S. Templeton; Jena E. Johnson
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Water transfer to the deep mantle through hydrous, Al-rich silicates in subduction zones
Jörg Hermann; Shayne Lakey
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Annually resolved sediments in the classic Clarkia lacustrine deposits (Idaho, USA) during the middle Miocene Climate Optimum
Daianne Höfig; Yi Ge Zhang; Liviu Giosan; Qin Leng; Jiaqi Liang; Mengxiao Wu; Brent Miller; Hong Yang
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Eruption risks from covert silicic magma bodies
Shane M. Rooyakkers; John Stix; Kim Berlo; Maurizio Petrelli; Freysteinn Sigmundsson
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New statistical quantification of the impact of active deformation on the distribution of submarine channels
Marco Pizzi; Alexander C. Whittaker; Lidia Lonergan; Mike Mayall; W. Hamish Mitchell
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Mud in sandy riverbed deposits as a proxy for ancient fine-sediment supply
N. Wysocki; E. Hajek
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Did accretion of the Caribbean oceanic plateau drive rapid crustal thickening in the northern Andes?
Sarah W.M. George; Brian K. Horton; Cristian Vallejo; Lily J. Jackson; E. Gabriela Gutierrez
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Protogenetic sulfide inclusions in diamonds date the diamond formation event using Re-Os isotopes
M.G. Pamato; D. Novella; D.E. Jacob; B. Oliveira; D.G. Pearson; S. Greene; J.C. Afonso; M. Favero; T. Stachel; M. Alvaro; F. Nestola
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Paleozoic evolution of crustal thickness and elevation in the northern Appalachian orogen, USA
Ian W. Hillenbrand; Michael L. Williams
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Subduction of the Izanagi-Pacific Ridge–transform intersection at the northeastern end of the Eurasian plate
Toru Yamasaki; Gen Shimoda; Kenichiro Tani; Jinichiro Maeda; Futoshi Nanayama
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Enhanced Quaternary exhumation in the Namche Barwa syntaxis, eastern Himalaya
Rong Yang; Frédéric Herman; Ting Liu; Rabiul Haque Biswas; Maria Giuditta Fellin; Yuntao Tian; Junfeng Gong; Ruohong Jiao; Colin Maden; Hanlin Chen
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Confirmation of slow Ti diffusion in quartz by diffusion couple experiments and evidence from natural samples
Andreas Audétat; Nobuyoshi Miyajima; Dorothea Wiesner; Jean-Nicolas Audinot
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Nonlinear fault damage zone scaling revealed through analog modeling
Sylvain Mayolle; Roger Soliva; Stéphane Dominguez; Christopher Wibberley; Yannick Caniven
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Climatically driven instability of marine methane hydrate along a canyon-incised continental margin
Richard J. Davies; Miguel Ángel Morales Maqueda; Ang Li; Mark Ireland
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History of the Larsen C Ice Shelf reconstructed from sub–ice shelf and offshore sediments
J.A. Smith; C.-D. Hillenbrand; C. Subt; B.E. Rosenheim; T. Frederichs; W. Ehrmann; T.J. Andersen; L. Wacker; K. Makinson; P. Anker; E.J. Venables; K.W. Nicholls
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Diapiric relamination of the Orocopia Schist (southwestern U.S.) during low-angle subduction
James B. Chapman
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The interfacial energy penalty to crystal growth close to equilibrium
Fred Gaidies; Freya R. George
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Diverse marine fish assemblages inhabited the paleotropics during the Paleocene-Eocene thermal maximum
Sanaa El-Sayed; Matt Friedman; Tarek Anan; Mahmoud A. Faris; Hesham Sallam
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Immediate temperature response in northern Iberia to last deglacial changes in the North Atlantic
J.L. Bernal-Wormull; A. Moreno; C. Pérez-Mejías; M. Bartolomé; A. Aranburu; M. Arriolabengoa; E. Iriarte; I. Cacho; C. Spötl; R.L. Edwards; H. Cheng
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Widespread glacial erosion on the Scandinavian passive margin
Vivi K. Pedersen; Åsne Rosseland Knutsen; Gustav Pallisgaard-Olesen; Jane Lund Andersen; Robert Moucha; Ritske S. Huismans
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A hidden Rodinian lithospheric keel beneath Zealandia, Earth's newly recognized continent
R.E. Turnbull; J.J. Schwartz; M.L. Fiorentini; R. Jongens; N.J. Evans; T. Ludwig; B.J. McDonald; K.A. Klepeis
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Clay minerals modulate early carbonate diagenesis
N. Tanner Mills; Julia S. Reece; Michael M. Tice
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Pityusa Patera, Mars: Structural analyses suggest a mega-caldera above a magma chamber at the crust-mantle interface
Hannes Bernhardt; David A. Williams
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  • Cover Image

    Cover Image

    issue cover

    COVER: An ∼450-km-wide, southwest-looking perspective view of Pityusa Patera in the Malea Planum region, southwest of Hellas Planitia, on Mars. The 20-fold height-exaggerated, blended digital terrain model from is from data from the Mars Orbiter Laser Altimeter and High Resolution Stereo Camera over a daytime mosaic by the Thermal Emission Imaging System. White and red colors show high elevations, yellow and green colors show lower elevations. See ‘Pityusa Patera, Mars: Structural analyses suggest a mega-caldera above a magma chamber at the crust-mantle interface’ by Bernhardt and Williams, p. 1020–2024.

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  • Online ISSN 1943-2682
  • ISSN 0091-7613
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