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Cover Image

Cover: An Antarctic camp in the Friis Hills, Transantarctic Mountains, Antarctica. The camp was home for a team of geologists and drillers who used a Webster Drilling HPP-150 drill rig and chilled compressed air system to recover an 80-m-thick sequence of middle Miocene glacial-fluvial and glacial-lacustrine sediments from frozen ground. The camp is located on a 14-million-year-old surface at ~1300 m above sea level, across which cobble- to boulder-sized granite and dolerite erratics and ventifacts are scattered. At 2010 m, Mount Brearly (midground left) is the southwesternmost peak in the Kukri Hills, and at 4025 m, Mount Lister (background right) is the highest peak in the Royal Society Range. See “East Antarctic Ice Sheet variability during the middle Miocene Climate Transition captured in drill cores from the Friis Hills, Transantarctic Mountains” by Chorley et al., p. 1503–1529.

Photo by: Richard Levy.
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Compositional change from high-Mg to low-Mg magmatism at ca. 150 Ma in the central Lhasa terrane, Tibet: Switching from advancing to retreating subduction of the Bangong Tethyan slab

Hydrothermal alteration episodes reflect multiple Proterozoic tectonic and magmatic events in the Kangdian region, western Yangtze Block

Continentalization of an intraoceanic arc as exemplified by the Jurassic Bonanza arc of Vancouver Island, Canada

Peak-ring magnetism: Rock and mineral magnetic properties of the Chicxulub impact crater

First report of a nephrite deposit from Somaliland, Africa: Characterization and geological and archaeological implications

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The long-lived transcrustal magmatic systems of Southeast China in response to paleo-Pacific plate subduction, recorded by the Cretaceous volcanic sequences in southeastern Zhejiang Provi...

A combination of plume and subduction tectonics contributing to breakup of northern Rodinia: Constraints from the Neoproterozoic magmatism in the Dunhuang-Alxa Block, northwest China

Initial opening of the Neotethyan Ocean in SE Asia: Constraints from Triassic magmatism and sedimentation

A case of Ampferer-type subduction beneath the New Caledonia arc: Evidence for inefficient subduction of hydrated lithologies into the upper mantle

Covering the Great Unconformity in southern Laurentia during Rodinia breakup: Detrital zircon studies of provenance evolution during Cambrian marine transgression (Llano Uplift, Texas)

Thermal equation of state for zoisite: Implications for the transportation of water into the upper mantle and the high-velocity anomaly in the Farallon plate

Intensified and apace bauxitization over the paleo-karstic surface linked to volcanism

Fault zone architecture and lithology-dependent deformation mechanisms of the Himalayan frontal fold-thrust belt: Insights from the Nahan Thrust, India

Unconformity-bounded rift sequences in Terreneuvian–Miaolingian strata of the Caledonian Highlands, Atlantic Canada

Structure, geochronology, and petrogenesis of Permian peraluminous granite dykes in the southern Chinese Altai as indicators of Altai–East Junggar convergence

Constraint on the temperature of A-type magma from contact metamorphic aureole, Biesituobie batholith, West Junggar in NW China, Central Asian Orogenic Belt

Deoxygenation and organic carbon sequestration in the Tethyan realm associated with the middle Eocene climatic optimum

Tracing remnants of Ediacaran S-type granitoids from beach placers in SE Madagascar

Migration and localization of faulting near the intersection of the Dead Sea Fault and the Carmel–Gilboa–Faria Fault System

Plio-Pleistocene cooling of the northeastern Tibetan Plateau due to global climate change and surface uplift

Drainage initiation, expansion, and channel-head arrest in heterogenous bedrock landscapes of the Colorado Plateau

Late Permian-Triassic ridge subduction beneath the northeastern margin of the North China Craton: Evidence from the Kaiyuan appinitic to high-Mg intermediate intrusions in northern Liaoni...

Petrogenesis of arsenic and platinum-group minerals from a partially serpentinized dunite in East Dover, Vermont, USA

The Ediacaran–Cambrian transition in the southern Great Basin, United States

Filling critical gaps in the space-time record of High Lava Plains and co-Columbia River Basalt Group rhyolite volcanism

Timing and spatial variation of deformation along the Kanggur-Huangshan shear zone in the Chinese Tianshan: Implications for regional differential uplift and mineralization

Mid–late Neoproterozoic tectonic evolution of the northern margin of the Yangtze Block, South China, as constrained from the detrital zircon record

A 50 m.y. melting model for the rare metal–rich Koktokay pegmatite in the Chinese Altai: Implications from a newly identified Jurassic granite

Guide for interpreting and reporting luminescence dating results

East Antarctic Ice Sheet variability during the middle Miocene Climate Transition captured in drill cores from the Friis Hills, Transantarctic Mountains

New insights into deep carbon recycling and formation of nepheline-bearing alkaline rocks from Sr-Nd-Mg isotope compositions

Late Cenozoic deepening of Yosemite Valley, USA

Geological architecture and history of the Antigua volcano and carbonate platform: Was there an Oligo–Miocene lull in Lesser Antilles arc magmatism?

Cretaceous–Cenozoic cooling history of the Qiangtang terrane and implications for Central Tibet formation

How headward erosion breaches upstream paleolakes: Insights from dated longitudinal fluvial terrace correlations within the Sanmen Gorge, Yellow River

Cambrian–Ordovician magmatic flare-up in NE Gondwana: A silicic large igneous province?

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