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Volume 130, Number 7-8
1 July 2018
GSA Bulletin Cover Image for Volume 130, Issue 7-8
ISSN: 0016-7606
EISSN: 1943-2674
In this Issue

ARTICLES

Geophysical evidence for an igneous dike swarm, Buffalo Creek, Northeast Alberta
Elahe P. Ardakani; Douglas R. Schmitt; Claire A. Currie
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Terrestrial cooling and changes in hydroclimate in the continental interior of the United States across the Eocene-Oligocene boundary
Majie Fan; Sara A. Ayyash; Aradhna Tripati; Benjamin H. Passey; Elizabeth M. Griffith
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Coupled Re-Os and U-Pb geochronology of the Tonian Chuar Group, Grand Canyon
Alan D. Rooney; Jacqueline Austermann; Emily F. Smith; Yang Li; David Selby; Carol M. Dehler; Mark D. Schmitz; Karl E. Karlstrom; Francis A. Macdonald
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End-Permian impactogenic earthquake and tsunami deposits in the intracratonic Paraná Basin of Brazil
Eric Tohver; Martin Schmieder; Cris Lana; Pedro S.T. Mendes; Fred Jourdan; Lucas Warren; Claudio Riccomini
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Genesis of a major gully mass-wasting complex, and implications for valley filling, East Cape, New Zealand
Anya Leenman; Jon Tunnicliffe
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Paleomagnetic constraints on the kinematic relationship between the Guerrero terrane (Mexico) and North America since Early Cretaceous time
Lydian M. Boschman; Roberto S. Molina Garza; Cor G. Langereis; Douwe J.J. van Hinsbergen
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Revised age constraints for Late Cretaceous to early Paleocene terrestrial strata from the Dawson Creek section, Big Bend National Park, west Texas
Caitlin E. Leslie; Daniel J. Peppe; Thomas E. Williamson; Matthew Heizler; Mike Jackson; Stacy C. Atchley; Lee Nordt; Barbara Standhardt
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U-Pb geochronology and geochemistry from the Kumaun Himalaya, NW India, reveal Paleoproterozoic arc magmatism related to formation of the Columbia supercontinent
Purbajyoti Phukon; Koushik Sen; Hari B. Srivastava; Saurabh Singhal; Aranya Sen
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Episodicity within a mid-Cretaceous magmatic flare-up in West Antarctica: U-Pb ages of the Lassiter Coast intrusive suite, Antarctic Peninsula, and correlations along the Gondwana margin
Teal R. Riley; Alex Burton-Johnson; Michael J. Flowerdew; Martin J. Whitehouse
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Additional records of ichnogenus Rhizocorallium from the Lower and Middle Triassic, South China: Implications for biotic recovery after the end-Permian mass extinction
Xueqian Feng; Zhong-Qiang Chen; David J. Bottjer; Margaret L. Fraiser; Yan Xu; Mao Luo
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Cretaceous strata at the west edge of the Canadian Rocky Mountains—A piggyback basin remnant of the Western Canada foreland basin
M.E. McMechan; L.D. Currie; W.A. Matthews; A.R. Sweet; J. Reyes
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Late Neogene–Quaternary tephrochronology, stratigraphy, and paleoclimate of Death Valley, California, USA
Jeffrey R. Knott; Michael N. Machette; Elmira Wan; Ralph E. Klinger; Joseph C. Liddicoat; Andrei M. Sarna-Wojcicki; Robert J. Fleck; Alan L. Deino; John W. Geissman; Janet L. Slate; David B. Wahl; Brian P. Wernicke; Stephen G. Wells; John C. Tinsley, III; Jeffrey C. Hathaway; Veva M. Weamer
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Scanning electron microscope (SEM) microtextural analysis as a paleoclimate tool for fluvial deposits: A modern test
Curtis Smith; Gerilyn S. Soreghan; Tohru Ohta
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Stress concentrations at structural discontinuities in active fault zones in the western United States: Implications for permeability and fluid flow in geothermal fields
Drew L. Siler; Nicholas H. Hinz; James E. Faulds
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Geodynamics of the Indosinian orogeny between the South China and Indochina blocks: Insights from latest Permian–Triassic granitoids and numerical modeling
Huichuan Liu; Yuejun Wang; Zhonghai Li; Jian-Wei Zi; Pengpeng Huangfu
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Tectonics, structure, and resurgence of the largest Quaternary caldera in Japan: Kutcharo, Hokkaido
Yoshihiko Goto; Jocelyn McPhie
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Global perturbation of the marine calcium cycle during the Permian-Triassic transition
Juan Carlos Silva-Tamayo; Kimberly V. Lau; Adam B. Jost; Jonathan L. Payne; Paul B. Wignall; Robert J. Newton; Anton Eisenhauer; Donald J. Depaolo; Shaun Brown; Kate Maher; Daniel J. Lehrmann; Demir Altiner; Meiyi Yu; Sylvain Richoz; Adina Paytan
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Taconic suprasubduction zone magmatism in southern Laurentia: Evidence from the Dadeville Complex
James F. Tull; Paul A. Mueller; David W. Farris; Benjamin L. Davis
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Gangdese culmination model: Oligocene–Miocene duplexing along the India-Asia suture zone, Lazi region, southern Tibet
Andrew K. Laskowski; Paul Kapp; Fulong Cai
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Early Paleozoic rifting and reactivation of a passive-margin rift: Insights from detrital zircon provenance signatures of the Potsdam Group, Ottawa graben
David G. Lowe; R.W.C. Arnott; Jeffrey R. Chiarenzelli; Robert H. Rainbird
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Whole-rock 40Ar/39Ar geochronology, geochemistry, and stratigraphy of intraplate Cenozoic volcanic rocks, central Mongolia
Leonard D. Ancuta; Peter K. Zeitler; Bruce D. Idleman; Brennan T. Jordan
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  • Cover Image

    Cover Image

    issue cover

    Cover: Cretaceous terrestrial strata from the Dawson Creek section of Big Bend National Park. Outcropping in the foreground are paleosols and sandstone channels of the Javelina Formation which documents two rapid, greenhouse events and contains a dinosaur fauna that supports the hypothesis of dinosaur endemism and provinciality in North America. See “Revised age constraints for Late Cretaceous to early Paleocene terrestrial strata from the Dawson Creek section, Big Bend National Park, west Texas” by Leslie et al., p. 1143–1163.

    Photo by: Caitlin Leslie

    Cover design by: Eric Christensen

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  • Online ISSN 1943-2674
  • ISSN 0016-7606
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