Issues
ARTICLES
Provenance of the Neoproterozoic deep-water Zerrissene Group of the Damara Orogen, Namibia, and paleogeographic implications for the closing of the Adamastor Ocean and assembly of the Gondwana supercontinent
GSA Bulletin September 20, 2018, Vol.131, 355-371. doi:10.1130/B32032.1
Are landscapes buffered to high-frequency climate change? A comparison of sediment fluxes and depositional volumes in the Corinth Rift, central Greece, over the past 130 k.y.
GSA Bulletin September 21, 2018, Vol.131, 372-388. doi:10.1130/B31953.1
Drivers of earthflow motion revealed by an 80 yr record of displacement from Oak Ridge earthflow, Diablo Range, California, USA
GSA Bulletin September 21, 2018, Vol.131, 389-402. doi:10.1130/B32020.1
Evidence for deep crustal seismic rupture in a granulite-facies, intraplate, strike-slip shear zone, northern Saskatchewan, Canada
GSA Bulletin September 24, 2018, Vol.131, 403-425. doi:10.1130/B31922.1
Evolving passive- and active-margin tectonics of the Paleoproterozoic Aravalli Basin, NW India
GSA Bulletin October 11, 2018, Vol.131, 426-443. doi:10.1130/B35027.1
Glacial chronology and slip rate on the west Klamath Lake fault zone, Oregon
GSA Bulletin October 09, 2018, Vol.131, 444-460. doi:10.1130/B31961.1
Drainage control of Eocene to Miocene sedimentary records in the southeastern margin of Eurasian Plate
GSA Bulletin October 31, 2018, Vol.131, 461-478. doi:10.1130/B32053.1
Variations in ice-sheet dynamics along the Amundsen Sea and Bellingshausen Sea West Antarctic Ice Sheet margin
GSA Bulletin November 01, 2018, Vol.131, 479-498. doi:10.1130/B31744.1
A 9 million-year-long astrochronological record of the early–middle Eocene corroborated by seafloor spreading rates
GSA Bulletin November 01, 2018, Vol.131, 499-520. doi:10.1130/B32050.1
Early Cretaceous ridge subduction beneath southern Alaska: Insights from zircon U-Pb geochronology, hafnium, and oxygen isotopic compositions of the Western Chugach tonalite-trondhjemite suite
GSA Bulletin October 31, 2018, Vol.131, 521-546. doi:10.1130/B31918.1
Seismically enhanced hydrothermal plume advection through the process zone of the Compione extensional Fault, Northern Apennines, Italy
GSA Bulletin November 14, 2018, Vol.131, 547-571. doi:10.1130/B32029.1
Linking high-pressure mafic granulite, TTG-like (tonalitic-trondhjemitic) leucosome and pluton, and crustal growth during continental collision
GSA Bulletin November 09, 2018, Vol.131, 572-586. doi:10.1130/B31822.1
The zircon Hf isotope archive of rapidly changing mantle sources in the south Patagonian retro-arc
GSA Bulletin November 15, 2018, Vol.131, 587-608. doi:10.1130/B31983.1
Magmatic response to the interplay of collisional and accretionary orogenies in the Korean Peninsula: Geochronological, geochemical, and O-Hf isotopic perspectives from Triassic plutons
GSA Bulletin November 29, 2018, Vol.131, 609-634. doi:10.1130/B32021.1
Origins of mafic microgranular enclaves and enclave swarms in granites: Field and geochemical relations
GSA Bulletin November 08, 2018, Vol.131, 635-660. doi:10.1130/B32028.1
Subplinian monogenetic basaltic eruption of Sunset Crater, Arizona, USA
GSA Bulletin November 15, 2018, Vol.131, 661-674. doi:10.1130/B31905.1
Breakup of the northern margin of Gondwana through lithospheric delamination: Evidence from the Tibetan Plateau
GSA Bulletin November 27, 2018, Vol.131, 675-697. doi:10.1130/B31958.1
Early Paleozoic rifting and reactivation of a passive-margin rift: Insights from detrital zircon provenance signatures of the Potsdam Group, Ottawa graben: Comment
GSA Bulletin January 25, 2019, Vol.131, 695-698. doi:10.1130/B35104.1
Early Paleozoic rifting and reactivation of a passive-margin rift: Insights from detrital zircon provenance signatures of the Potsdam Group, Ottawa graben: Reply
GSA Bulletin January 25, 2019, Vol.131, 699-703. doi:10.1130/B35176.1
ERRATUM
ERRATUM: Climatic and glacial impact on erosion patterns and sediment provenance in the Himalayan rain shadow, Zanskar River, NW India
GSA Bulletin March 01, 2019, Vol.131, 704. doi:10.1130/B31573E.1
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Cover Image
Cover Image
Cover: Exposure of part of the Torres del Paine intrusive complex (Patagonia, Chile) in the cliffs of Cerro Castillo, Valle del Frances. The vast glacier-polished outcrops of these cliffs provide a unique opportunity to study how such sheeted intrusions are built up. In this image, multiple distinct magmatic units of the Mafic Sill Complex are exposed in spectacular detail, and display ductile contacts between magmatic units, as exemplified by the flame structures visible in the image. Geologists for scale. Isotopic differences between the Mafic Sill Complex and other units of the Torres del Paine intrusive complex testify to the waning influence of subduction, after large-scale geodynamic changes resulted in the transient migration of arc magmatism into the retro-arc region (Ewing et al., this issue). See “The zircon Hf isotope archive of rapidly changing mantle sources in the south Patagonian retro-arc” by Ewing et al., p. 587–608.
Photo by: Tanya Ewing
Cover design by: Eric Christensen
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