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Issues
Volume 45, Number 6
1 June 2017
ISSN 0091-7613
EISSN 1943-2682
In this Issue
Articles
In Memory of Bennie Troxel
Terry Pavlis; Jim Calzia; Laura Serpa; Marli Miller; with contributions from Brian Wernicke; Darrel Cowan; Wyatt Troxel; Jeff Knott; Tony Wright; Steve Edelman
Geology June 01, 2017, Vol.45, 482. doi:https://doi.org/10.1130/troxel022017.1
The rise and fall of stromatolites in shallow marine environments
Geology June 01, 2017, Vol.45, 487-490. doi:https://doi.org/10.1130/G38931.1
The fate of sediment, wood, and organic carbon eroded during an extreme flood, Colorado Front Range, USA
Geology June 01, 2017, Vol.45, 499-502. doi:https://doi.org/10.1130/G38935.1
Glendonites track methane seepage in Mesozoic polar seas
Chloé Morales; Mikhail Rogov; Hubert Wierzbowski; Victoria Ershova; Guillaume Suan; Thierry Adatte; Karl B. Föllmi; Erik Tegelaar; Gert-Jan Reichart; Gert J. de Lange; Jack J. Middelburg; Bas van de Schootbrugge
Geology June 01, 2017, Vol.45, 503-506. doi:https://doi.org/10.1130/G38967.1
A common origin of carbonatite magmas
Geology June 01, 2017, Vol.45, 507-510. doi:https://doi.org/10.1130/G38801.1
Modification of river meandering by tropical deforestation
Alexander J. Horton; José Antonio Constantine; Tristram C. Hales; Benoît Goossens; Michael W. Bruford; Eli D. Lazarus
Geology June 01, 2017, Vol.45, 511-514. doi:https://doi.org/10.1130/G38740.1
Cascadia subduction tremor muted by crustal faults
Geology June 01, 2017, Vol.45, 515-518. doi:https://doi.org/10.1130/G38835.1
Mantle melt production during the 1.4 Ga Laurentian magmatic event: Isotopic constraints from Colorado Plateau mantle xenoliths
Geology June 01, 2017, Vol.45, 519-522. doi:https://doi.org/10.1130/G38891.1
Modelling satellite-derived magma discharge to explain caldera collapse
Geology June 01, 2017, Vol.45, 523-526. doi:https://doi.org/10.1130/G38866.1
Timing of initial seafloor spreading in the Newfoundland-Iberia rift
Geology June 01, 2017, Vol.45, 527-530. doi:https://doi.org/10.1130/G38766.1
Paleozoic echinoderm hangovers: Waking up in the Triassic
Geology June 01, 2017, Vol.45, 531-534. doi:https://doi.org/10.1130/G38909.1
Microfossil measures of rapid sea-level rise: Timing of response of two microfossil groups to a sudden tidal-flooding experiment in Cascadia
B.P. Horton; Y. Milker; T. Dura; K. Wang; W.T. Bridgeland; L. Brophy; M. Ewald; N.S. Khan; S.E. Engelhart; A.R. Nelson; R.C. Witter
Geology June 01, 2017, Vol.45, 535-538. doi:https://doi.org/10.1130/G38832.1
Subtropical climate conditions and mangrove growth in Arctic Siberia during the early Eocene
Guillaume Suan; Speranta-Maria Popescu; Jean-Pierre Suc; Johann Schnyder; Séverine Fauquette; François Baudin; Daichi Yoon; Karsten Piepjohn; Nikolay N. Sobolev; Loïc Labrousse
Geology June 01, 2017, Vol.45, 539-542. doi:https://doi.org/10.1130/G38547.1
New age constraints on Aptian evaporites and carbonates from the South Atlantic: Implications for Oceanic Anoxic Event 1a
Leonardo R. Tedeschi; Hugh C. Jenkyns; Stuart A. Robinson; Antonio E.S. Sanjinés; Marta Claudia Viviers; Cláudia M.S.P. Quintaes; Joselito C. Vazquez
Geology June 01, 2017, Vol.45, 543-546. doi:https://doi.org/10.1130/G38886.1
Recent retreat of Columbia Glacier, Alaska: Millennial context
Anders E. Carlson; Zoe Kilmer; Leah B. Ziegler; Joseph S. Stoner; Greg C. Wiles; Kaitlin Starr; Maureen H. Walczak; William Colgan; Alberto V. Reyes; David J. Leydet; Robert G. Hatfield
Geology June 01, 2017, Vol.45, 547-550. doi:https://doi.org/10.1130/G38479.1
Paleofluvial and subglacial channel networks beneath Humboldt Glacier, Greenland
Geology June 01, 2017, Vol.45, 551-554. doi:https://doi.org/10.1130/G38860.1
Defining the mechanism for compaction of the CV chondrite parent body
Geology June 01, 2017, Vol.45, 559-562. doi:https://doi.org/10.1130/G38864.1
Recycling of metal-fertilized lower continental crust: Origin of non-arc Au-rich porphyry deposits at cratonic edges
Zengqian Hou; Ye Zhou; Rui Wang; Yuanchuan Zheng; Wenyan He; Miao Zhao; Noreen J. Evans; Roberto F. Weinberg
Geology June 01, 2017, Vol.45, 563-566. doi:https://doi.org/10.1130/G38619.1
Rock magnetic chronostratigraphy of the Shuram carbon isotope excursion: Wonoka Formation, Australia
Geology June 01, 2017, Vol.45, 567-570. doi:https://doi.org/10.1130/G38572.1
Evidence for hydrothermal alteration and source regions for the Kiruna iron oxide–apatite ore (northern Sweden) from zircon Hf and O isotopes
Geology June 01, 2017, Vol.45, 571-574. doi:https://doi.org/10.1130/G38894.1
Research Focus
Forum
The origin of contractional structures in extensional gneiss domes: COMMENT
Geology June 01, 2017, Vol.45, e415. doi:https://doi.org/10.1130/G39092C.1
The origin of contractional structures in extensional gneiss domes: REPLY
Geology June 01, 2017, Vol.45, e416. doi:https://doi.org/10.1130/G39229Y.1
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Cover Image
Cover Image
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COVER: Scientists from Harvard University and Lamont Doherty Earth Observatory/Columbia University wait to retrieve a marine sediment core on the deck of the R/V Atlantis in the northeast Pacific Ocean near the Juan de Fuca mid-ocean ridge. The corer had previously descended to a depth of over 2000 m, collecting a cylindrical core of seafloor sediment. Due to the proximity to the volcanically active ridge, these sediments contain small particles of volcanic glass, dispersed and deposited during ocean floor eruptions. Glasses sampled from successive layers of the sediment provide an unusually detailed record of magmatic activity at the ridge over many tens of thousands of years. See “A 65 k.y. time series from sediment-hosted glasses reveals rapid transitions in ocean ridge magmas” by Ferguson et al., p. 491–494.
Photo by: David Ferguson
Cover design by: Heather L. Sutphin
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