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Volume 49, Number 5
1 May 2021
Geology Cover Image for Volume 49, Issue 5
ISSN: 0091-7613
EISSN: 1943-2682
In this Issue

Articles

Drill core from seismically active sandstone gas reservoir yields clues to internal deformation mechanisms
Berend A. Verberne; Suzanne J.T. Hangx; Ronald P.J. Pijnenburg; Maartje F. Hamers; Martyn R. Drury; Christopher J. Spiers
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A new model for the growth of normal faults developed above pre-existing structures
Emma K. Bramham; Tim J. Wright; Douglas A. Paton; David M. Hodgson
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Mixing of brine with oil triggered sphalerite deposition at Pine Point, Northwest Territories, Canada
Marko Szmihelsky; Matthew Steele-MacInnis; Wyatt M. Bain; Hendrik Falck; Robin Adair; Brandon Campbell; S. Andrew Dufrane; Ashley Went; Hilary J. Corlett
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Rapid gravity flow transformation revealed in a single climbing ripple
Jaco H. Baas; Jim Best; Jeff Peakall
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Mechanical contrast and asymmetric distribution of crustal deformation across plate boundaries: Insights from the northern Dead Sea fault system
Neta Dembo; Roi Granot; Yariv Hamiel
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The global distribution of depositional rivers on early Mars
J.L. Dickson; M.P. Lamb; R.M.E. Williams; A.T. Hayden; W.W. Fischer
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An ∼1100 yr record of human and seabird occupation in the High Arctic inferred from pond sediments
Wenhan Cheng; Linda E. Kimpe; Mark L. Mallory; John P. Smol; Jules M. Blais
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Stable Ca and Sr isotopes support volcanically triggered biocalcification crisis during Oceanic Anoxic Event 1a
Jiuyuan Wang; Andrew D. Jacobson; Bradley B. Sageman; Matthew T. Hurtgen
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Terrestrial methane cycle perturbations during the onset of the Paleocene-Eocene Thermal Maximum
Gordon N. Inglis; Megan Rohrssen; Elizabeth M. Kennedy; Erica M. Crouch; J. Ian Raine; Dominic P. Strogen; B. David A. Naafs; Margaret E. Collinson; Richard D. Pancost
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Hotspot signatures at the North American passive margin
Zhongmin Tao; Aibing Li; Karen M. Fischer
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Long-lived seamount subduction in ancient orogens: Evidence from the Paleozoic South Tianshan
Bo Wan; Xinshui Wang; Xijun Liu; Keda Cai; Wenjiao Xiao; Ross N. Mitchell
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Hikurangi Plateau subduction a trigger for Vitiaz arc splitting and Havre Trough opening (southwestern Pacific)
K. Hoernle; J. Gill; C. Timm; F. Hauff; R. Werner; D. Garbe-Schönberg; M. Gutjahr
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“Missing links” for the long-lived Macdonald and Arago hotspots, South Pacific Ocean
L. Buff; M.G. Jackson; K. Konrad; J.G. Konter; M. Bizimis; A. Price; E.F. Rose-Koga; J. Blusztajn; A.A.P. Koppers; Santiago Herrera
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A detrital zircon test of large-scale terrane displacement along the Arctic margin of North America
Timothy M. Gibson; Karol Faehnrich; James F. Busch; William C. McClelland; Mark D. Schmitz; Justin V. Strauss
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Anisovolumetric weathering in granitic saprolite controlled by climate and erosion rate
Clifford S. Riebe; Russell P. Callahan; Sarah B.-M. Granke; Bradley J. Carr; Jorden L. Hayes; Marlie S. Schell; Leonard S. Sklar
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Total organic carbon and the preservation of organic-walled microfossils in Precambrian shale
C.R. Woltz; S.M. Porter; H. Agić; C.M. Dehler; C.K. Junium; L.A. Riedman; M.S.W. Hodgskiss; S. Wörndle; G.P. Halverson
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Experimental constraints on nonskeletal CaCO3 precipitation from Proterozoic seawater
Sascha Roest-Ellis; Justin V. Strauss; Nicholas J. Tosca
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Geochemical evidence of tropical cyclone controls on shallow-marine sedimentation (Pliocene, Taiwan)
Shahin E. Dashtgard; Ludvig Löwemark; Pei-Ling Wang; Romy A. Setiaji; Romain Vaucher
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Episodic exhumation of the Appalachian orogen in the Catskill Mountains (New York State, USA)
Chilisa M. Shorten; Paul G. Fitzgerald
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Quantitative reconstruction of pore-pressure history in sedimentary basins using fluid escape pipes
Joe Cartwright; Chris Kirkham; Martino Foschi; Neil Hodgson; Karyna Rodriguez; David James
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Transport and accumulation of plastic litter in submarine canyons—The role of gravity flows
Guangfa Zhong; Xiaotong Peng
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Recognition of a Middle–Late Jurassic arc-related porphyry copper belt along the southeast China coast: Geological characteristics and metallogenic implications
Jingwen Mao; Wei Zheng; Guiqing Xie; Bernd Lehmann; Richard Goldfarb
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A new model for the optimal structural context for giant porphyry copper deposit formation
José Piquer; Pablo Sanchez-Alfaro; Pamela Pérez-Flores
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Extreme Quaternary plate boundary exhumation and strike slip localized along the southern Fairweather fault, Alaska, USA
Richard O. Lease; Peter J. Haeussler; Robert C. Witter; Daniel F. Stockli; Adrian M. Bender; Harvey M. Kelsey; Paul B. O’Sullivan
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Research Focus

Anthropogenic pollution in deep-marine sedimentary systems—A geological perspective on the plastic problem
I.A. Kane; A. Fildani
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  • Cover Image

    Cover Image

    issue cover

    COVER: Dogtooth calcite and saddle dolomite crystals cemented by bitumen from Pine Point, Northwest Territories, Canada. The sphalerite grains host primary fluid inclusion assemblages of metal-rich brine and petroleum, indicating that sphalerite precipitation was triggered when these fluids mixed. See “Mixing of brine with oil triggered sphalerite deposition at Pine Point, Northwest Territories, Canada” by Szmihelsky et al., p. 488–492.

    Photo by: M. Steele-MacInnis

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  • Online ISSN 1943-2682
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