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A new #GSABulletin study of rift-related volcanism shows that 3-D fault structure controls magma pathways, eruption volumes, and whether melts evolve to felsic or stay mafic.

Read more: geosociety.co/Haproff_et_al
#RiftTectonics #BasinAndRange #GSAPubs
Image: Figure 1 from the paper.

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New research in #GSABulletin explores how magma moves through shallow, faulted sediments—using exceptional coastal exposures in the western Pyrenees.

Read more: geosociety.co/Agirrezabala_Sarrionandia
#Volcanology #StructuralGeology #GSAPubs
Image: Figure 4 from the paper.

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Read the latest geoscience research in the March/April issue of GSA Bulletin, now available online: geosociety.co/BulletinVolume138

#GSAPubs #Geology #Geoscience #EarthScience
Cover: Photogrammetry of outcrops at Lakes of the Gods. Photo by Sophie Johnson.

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New #Geology research proposes wide rifting and wide rift-inversion mountain building may have been dominant modes of continental deformation in the Proterozoic, producing mountains that differ from those formed by narrow rift inversion.

Full article: geosociety.co/Ibrahim_and_Rey
#GSAPubs

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How long did it take for life to bounce back after the KPg asteroid impact and mass extinction event 66 million years ago? ☄️ A new #Geology study found that life recovered much faster than we previously thought.

🔗 Read the full study: geosociety.co/Lowery_et_al
#MassExtinction #Chicxulub #GSAPubs

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New in #GSABulletin: M.N. Ducea and colleagues explore the role of crustal magmatism in the formation and the evolution of orogenic plateaus.

Read the paper and learn more here: geosociety.co/Ducea_et_al
#Geochemistry #Petrology #Tectonics #GSAPubs
Image: Figure 17 from the paper.

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New in #GSABulletin: Carbonate U/Th ages confirm the Mono Basin excursion as the Laschamps geomagnetic excursion

Full article: geosociety.co/Ali_el_al
#Geochronology #Paleomagnetism #QuaternaryGeology #GSAPubs
Image: Fig 1 from paper

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Tree-ring records reveal the positive feedback between debris flow and climate warming in a periglacial watershed, Eastern Himalaya Syntaxis.

Read the full article: geosociety.co/Li_et_al
#ClimateChange #Himalayas #GSABulletin #GSAPubs
Image: Fig 1 from the paper.

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The January 2026 issue of #Geology is available online. Scanning electron microscope images of zircon sand grains from Algodones Dunes, California, USA.

Read the full issue: geosociety.co/Geology_Jan26
#GSAPubs
Photo by M. Colin Marvin.

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Catch up on the latest geoscience research in the January/February #GSABulletin issue: geosociety.co/GSABulletin

#GSAPubs #Geology
Cover: Rocher Percé, a famous “pierced rock” in the Gulf of Saint Lawrence on the tip of the Gaspé Peninsula in Québec, Canada, off Percé Bay. Photo by Morgann Perrot.

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With co-authors Francis Macdonald, Galen Halverson, Chadlin Ostrander, Sune Nielsen, and Erik Sperling
@stanforddoerr.bsky.social #GSAPubs

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New research uncovers fresh geological insights into Brazil’s 40-km-wide Araguainha impact structure.

Explore the full article: geosociety.co/48Eyhxc
#ImpactCratering #Geology #Tectonics #Brazil #GSABulletin #GSAPubs
Image: Figure 14 from the paper.

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A new paper redefines transform faults. Read “Transform fault system: A microplate-based perspective on transform faults” in #GSABulletin.

Read the full paper by Sanzhong Li et al.: geosociety.co/4a4kTVr
#Tectonics #GlobalTectonics #StructuralGeology #GSAPubs
Image: Figure 1 from the paper.

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New research uncovers how a laterally mixed Pennsylvanian shelf evolved in the Sacramento Mountains.

Read the full article in #GSABulletin: geosociety.co/4aBj6HA
#Geology #Sedimentology #Stratigraphy #Paleozoic #GSAPubs
Image: Figure 26 from the paper.

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Did you know that magma can ascend like rain through the upper mantle?

Learn more from this new #Geology paper by Changyeol Lee and colleagues: geosociety.co/4iHVNhk
#GSAPubs #IntraplateVolcanism #Geodynamics #Magmatic

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The December issue of #Geology is now online!

Cover photo by Eliel Anttila: Volcaniclastic strata of the Blanca Formation form cliffs along the southern coast of Santa Cruz Island, California, USA

Read the full issue: geosociety.co/3MquUm3
#GSAPubs #CoastRanges #SantaCruz

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New #Geosphere study shows Utah’s east Traverse Mountains aren’t fault-bounded—they’re a 75–150 km³ mega-landslide that slid 16 km from the Little Cottonwood stock ~6 Ma!

🔗 Read more: geosociety.co/4oK1QUW
#GSAPubs #UtahGeology #WasatchFront #StructuralGeology #Geoscience

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The Nov/Dec issue of #GSABulletin is now online! Explore new research across the geosciences and check out this month’s stunning cover featuring a large microbial buildup in the Upper Cambrian Wilberns Formation.

Read the full issue: geosociety.co/4ewtd0c
#GSAPubs #Geology #Geoscience #EarthScience

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The November issue of #Geology is now online. Topics include "Evolution of skeletal mineralogy in cheilostome bryozoans from calcite to aragonite seas" and "Unique leaf mimicry in Jurassic insects."

Read more at geosociety.co/3M2YZaY
#Jurassic #Mineralogy #GSAPubs

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What controls rifted margin symmetry? New #Geology models show that mechanical anisotropy alone can shift rifts from symmetric to asymmetric—no rheology changes needed. Even moderate anisotropy can reshape rift systems.

Read more: geosociety.co/3JFKdGy
#Geodynamics #Lithosphere #Geoscience #GSAPubs

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The November issue of GSA Today is packed with discovery—mountain bending in Alaska, a new way to visualize lithium resources, and the story of Victorian scientist Hertha Ayrton.

🔗 Read the newest issue here: geosociety.co/4qI5Gz5
#GSAToday #Geoscience #GSAPubs

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Did you know sand grains record their transport history?

New research in Geology shows zircon grains reveal their journey through microscopic abrasion “microtextures”—even in billion-year-old rocks!

Read more: geosociety.co/4oHG2J6
#Geology #GSAPubs

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510-Ma fossils from North China reveal that some of Earth’s earliest animals built skeletons with cell-controlled organic templates — pushing back the origin of this strategy to the Cambrian explosion.

Read more: geosociety.co/4fD7wwm
#GSAPubs #Paleontology

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New #GSABulletin research links volcanism, environment, and marine influence in forming giant karstic bauxite deposits—using Hg and isotope data from China’s largest bauxite belts.

📖 Read more: geosociety.co/41s4S6s
#Geology #Geochemistry #GSAPubs

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Did you know Alabama hosts a 5–7 km-wide marine impact crater?

A new #GSABulletin study models the Wetumpka crater’s Late Cretaceous formation—revealing what shaped its unusual rim.

🔗 geosociety.co/45laxfX
#Geology #GSAPubs

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A new #Geology study suggests the Northern Appalachian Anomaly is a migrating Rayleigh-Taylor instability, sparked by Labrador Sea rifting ~80 Ma—challenging links to the Central Atlantic margin.

Read more: geosociety.co/4lXmbVn
#Geodynamics #GSAPubs

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A new #GSABulletin study analyzes 544 biostratigraphic events across 108 sites in the Mississippi Embayment, revealing patterns of Upper Cretaceous sea-level change and faunal turnover.

🔗 geosociety.co/4fqiogL
#Stratigraphy #CretaceousPeriod #GSAPubs

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What drives sedimentation—climate or tectonics?

A new #GSABulletin study from Utah’s Fisher Valley shows a shift from climate-driven to tectonic control, tied to the Onion Creek salt diapir.

📖 geosociety.co/3HoDHme
#Geology #Paleoclimate #GSAPubs

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What can manganese reveal about ancient oceans?

A new #GSABulletin study links Permian Mn carbonates in South China to deep-water oxygenation driven by tectonics and sea-level change.

🔗 geosociety.co/4lf7jRa
#Geology #Paleoceanography #GSAPubs

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What shaped massive microbial buildups 500+ million years ago in Texas?

A new #GSABulletin study links sea level shifts, sedimentation, and microbial activity in the Upper Cambrian.

Read more: geosociety.co/4lcHMaY
#Geology #TexasGeology #GSAPubs

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