New in GSA Bulletin! A team at East China University of Technology (ECUT) reveals how chlorite alteration records hydrothermal fluid evolution and controls uranium mineralization in the Motianling tectonic dome, South China. Read the full issue: geosociety.co/chlorite Image: Fig. 3

Across career stages, GSA supports growth through grants, mentorship, and community—connecting research to real-world impact through lab and field experiences. With a GSA North-Central Section Grant, Kendall Wiggins turned curiosity into hands-on discovery. 🔗 Join: geosociety.org/membership

Two great opportunities for students and early career geoscientists to get involved with GSA. Self-nominate for Graduate Student Representative or Member-at-Large. 📅 Deadline: 15 June 2026 🔗 geosociety.co/serve 🌐 geosociety.co/nominations-portal

New research published in #Geology reveals that the Wasatch Fault—one of the most significant seismic hazards in the western U.S.—may be intrinsically weaker than previously thought, helping explain how it can generate large earthquakes. Read the study: geosociety.co/Shreedharan_et_al

The GSA Geoscience Job Board is stacked right now—from a fully funded undergrad research internship in Bermuda to a postdoc in Nevada, a Department Chair at the University of Waterloo, and more. Wherever your geoscience path is headed, something's worth a look. 🔎 geosociety.co/JobBoard

NEW BOOK: “From Plate Convergence to Oblique Rifting” explores how tectonics, magmatism, sedimentation, and climate shape NW México. The guides highlight southern Baja California as key for understanding plate boundaries, landscapes, and ecosystems. Buy now: geosociety.co/Excursions

This landmark study published in #Geology is reshaping our understanding of how meteorites fall to Earth—and what that means for impact risk worldwide. This research is gaining attention in mainstream media, including coverage in The Guardian—read the full study: geosociety.co/Evatt_et_al

New study uses 700 kyr microbial lipid proxies to show droughts on the Chinese Loess Plateau became stronger and more variable after the Mid-Brunhes Event. Results suggest warmer high-CO2 states amplify hydroclimatic extremes. Read more: geosociety.co/drought Image: Figure 3

The votes are in, and we have a champion! 🏆 Winner: Tarleton State University. Thank you to everyone who voted, supported, and celebrated the creativity and geoscience spirit behind each entry. Want to see the winning design in person? Join us at GSA Connects 2026👉 connects.geosociety.org

EarthCache Spotlight: Dolores Canyon, Colorado, United States More than 1,000 ft deep, Dolores Canyon reveals ancient limestone and sandstone layers shaped by uplift and erosion over millions of years. 🔗 Discover more: geosociety.co/EarthCache

The 3rd Annual GSA GeoClub Tee-Off National Finals is in its final round—and the geoscience community gets to decide who takes the crown. Study the finalists. Pick your champion. Make your vote count.🏆 geosociety.co/NationalFinals

GSA's Geology and Public Policy Committee was in Washington, D.C. last week—meeting with congressional offices and visiting USGS headquarters to advocate for sustained funding as Congress weighs a proposed 37% USGS budget cut. The science communities depend on is at stake. GSA is at the table.

Abstract submissions for GSA Connects 2026 are OPEN! Share your research with the global geoscience community—whether fieldwork, models, or emerging results. Explore this year’s themes, from continental drift to riverscapes and deep Earth to deep space. 🔗 Submit: geosociety.co/ConnectsAbstracts

GSA has landed at the European Geosciences Union (EGU) General Assembly 2026 in Vienna, Austria. 📍Stop by Booth X206 to chat with our team, explore membership and publishing opportunities, and find out how GSA can support wherever you are in your geoscience career. #EGU26 #Geoscience #GSA

New GSA Bulletin study introduces an AI-driven Raman + microscopy system for automated sandstone petrography. It reaches 98% mineral ID accuracy, boosts efficiency 40×, and cuts instrument costs 10×, advancing energy & groundwater research. Read more: geosociety.co/sandstone Image: Fig. 1

A new #Geology study reveals that the Tibetan Plateau grew through two major cycles of rapid uplift followed by subsidence, rather than a single, continuous rise. 🏔️ This study is gaining international attention and has been featured in mainstream media—read the study: geosociety.co/Xue_et_al

New in GSA Bulletin: Unraveling the displaced Tiburon Block in the Franciscan subduction accretionary complex (SF Bay Area) enables a new reconstruction of its original geometry. Read more in GSABulletin: geosociety.co/Mesozoic Image: Fig. 2 & 8

New #Geology research shows sublimation is key to Rocky Mountain snowpack loss during historic snow drought. Study by J. Munroe & C. Spötl links climate change to faster snow loss. Learn more: geosociety.co/snowpack | Press: geosociety.co/Research#Geology Photo: Bear Ice Cave, Utah.

New research published in #Geology reveals the hidden eruptive history of the Kolumbo submarine volcano and its surprising connection to its famous neighbor, Santorini. 🌋 This study is gaining attention and has been featured in Eos—read the full study: geosociety.co/Metcalfe_et_al

New in Geosphere: M.E. Holland and S.P. Regan use new combined zircon U-Pb–Hf isotopes, field data, and compiled detrital zircon records to show the Mazatzal and Yavapai provinces are continuous—not separate terranes. Read more: https://geosociety.co/Mazatzal

No matter where you are in your geoscience journey, there's a place for you at GSA. Student, early career, professional, or K–12 educator—free journal access, field trips, short courses, leadership, and a global community are waiting. Find your membership: geosociety.org/membership

New research published in #Geology offers a look into how marine life responded to past climate change. The study identifies a potential tipping threshold between ~1.5°C and 3°C, beyond which marine ecosystems begin to break down. Read the study: geosociety.co/Fokkema_et_al#Geology

NEW in the Geology Rocks! series: “Montana Rocks!” coming soon! Explore 60 top geologic sites across Big Sky Country with Robert C. Thomas. From iconic landscapes to hidden gems—perfect for rockhounds, travelers, educators, and geology fans. 📚 Pre-order: Geosociety.co/MontanaRocks

From shoreline to open waters, aragonite crystals reveal environmental signals. A study from Abu Dhabi lagoon (UAE) finds diverse morphologies shaped by Mg²⁺, Mg/Ca ratios, and temperature, recording coastal change. Read more: geosociety.co/marine Image: Fig. 12

EarthCache Spotlight: Lake Quinault, Washington, United States Lake Quinault formed when retreating Ice Age glaciers left moraines that dammed the Quinault River. Today, the lake’s broad basin and surrounding rainforest reflect its glacial origins. 🔗 Discover more: geosociety.co/EarthCache

New in Geosphere's themed issue "Uplift History of the Sierra Nevada, USA": M.T. Hren and M.T. Brandon use leaf wax hydrogen isotope data to show that the Sierra Nevada experienced renewed uplift in the late Cenozoic. Read the full issue: geosociety.co/FossilLeaf Image: Figure 3. (A)

New Book: Excursions in the Mississippi Embayment (Jackson Jr., Van Arsdale & Harrison) from the 2026 GSA Triple Joint Southeastern / South-Central / North-Central Section Meeting. Covers seismic hazard, mining, groundwater, outreach, mapping & tectonics. Buy Now: geosociety.co/Mississippi

Stay connected with GSA and the geoscience community—from careers and student opportunities to global collaboration, policy, and research. Explore and subscribe to: GSA Connection, GeoScene, GSA International, Geoscience Policy, CPE, or GSA Today. 🔗 geosociety.co/eNews

The April issue of #Geology is now online. Topics include paleohydraulics of cyclonic storm deposits, release of toxic-metal acid brines, and Ediacaran endlings from the Avalon Assemblage. Explore the issue: geosociety.co/Volume54#Geology #GSAPubs #Ediacaran #Geoscience

Join the GSA, GAC, and SGM in recognizing outstanding mid-career geoscientists. Self-nominate or nominate a colleague for the 50 Under 50 Award: geosociety.co/50-Under-50 Deadline: 18 May 2026 #MidCareerAward #GSA #GAC #SGM

What an unforgettable day exploring Isla del Carmen 🌊 This incredible Cordilleran Section Meeting field trip took participants through millions of years of Earth’s history and a living showcase of biodiversity. Looking to join GSA on a field trip? Browse upcoming trips: geosociety.co/field-trips

EarthCache Spotlight: Mount Robert, New Zealand On Lake Rotoiti, glacial carving shaped sharp ridges and deep valleys. A 1887 fire removed vegetation, accelerating frost wedging, rockslides, and erosion—reshaping the post-glacial landscape over time. 🔗 Discover more: geosociety.co/EarthCache

A successful and collaborative gathering in Loreto at the Cordilleran Section Meeting is wrapping up. We are grateful to all the attendees contributed to this vibrant meeting. And we extend our deepest thanks to the Local Organizing Committee for their leadership in bringing this event to life.

NEW opportunity in the Tar Heel State! Western Carolina University is hiring an Instructor in Geology & Environmental Science. Hydrology or geosciences background? This one's for you. Experiential learning, great students, gorgeous Appalachian backdrop. Ready to dig in? 🔎 geosociety.co/3QVJOCX

Posters, talks, GeoCareers workshops and luncheons, and a Geology Club Meetup—Thursday had it all in Loreto. The Cordilleran Section Business Meeting wrapped things up and set sights on what's next. Congrats to Loret Hernández Rodríguez on winning an engraved orange Axis Brunton compass!

Congratulations to this year’s Cordilleran Section champions. 🎉 This club's design secured a spot to advance to Nationals this May. 🏆 Winner: Portland State University Student Chapter of the Association of Environmental and Engineering Geologists

Some days at a meeting just hit differently—day two in Loreto was one of them. 🌊 Research presentations, GeoCareers workshops, a Town Hall with GSA Leadership, an Earth-Life Symposia Keynote, Map Blast, and more. This is what the 2026 Cordilleran Section Meeting is all about!

Explore our new Professional Learning Pathways at the 2026 Rocky Mountain Section Meeting to: ✔️ Earn CEUs ✔️ Receive documented recognition of your structured learning ✔️ Build progress toward future GSA Certificate opportunities Learn more: geosociety.co/RM-Pathways #ProfessionalDevelopment #GSA

Loreto delivered on day one. 🌵 Between poolside conversations during the Opening Reception, field trips out into the rugged Baja terrain, and engaging short courses, the 2026 Cordilleran Section Meeting hit a solid outcrop—great science and even better company. We're just scratching the surface!

The 2026 Cordilleran Section Meeting GSA Geology Club Tee-Off is here! Daily voting is open from 21–24 April. One club per Section will advance to the National Finals later this month. 🎯 Make your vote count: geosociety.co/Vote-Cord

Self-nominations for GSA Council & Committee service are still open. Join the Research Grants Committee to help evaluate proposals and award funding, or the Publications Committee to support editors and guide GSA’s journals. 📅 Deadline: 15 June 2026 🔗 Submit: geosociety.co/serve

Your geoscience journey doesn’t have to be a solo. The On To the Future® (OTF) program connects you with mentors, peers, and opportunities at GSA Connects 2026, while removing financial barriers to get you there. Learn more & apply: geosociety.co/OTF Deadline: 7 May

Geoscience funding supports research that protects communities. GSA and the USGS Coalition urge Congress to support continued funding for USGS programs in FY2027. 🔗 Read more: geosociety.co/USGS-Coalition-Statement #GSA #USGS #Policy #Congress #Geoscience #SciencePolicy

Slope failures in Manicouagan Reservoir reveal landslide deposits, some tied to the 1663 Charlevoix earthquake. Sediment cores show disruption after impoundment. Read more: geosociety.co/slope Image: EROS/USGS, 1964/2024.

Your voice matters in shaping science policy. 🏛️ Start advocating for geoscience with tools to connect with policymakers. Access resources below: • GSA Member Policy Toolkit: geosociety.co/policytoolkit • EarthDay.org Toolkit: geosociety.co/resources

Ready to lead at the next level and help shape the future of geoscience? 🌍 Join GSA’s 2026 Virtual Volunteer Fair on 4 June at 11 a.m. MT to discover meaningful ways to give back, grow your network, and advance your career. Register now: geosociety.co/2026-Virtual-Volunteer

How do coral reef margins respond to climate shifts? Seven drill cores from the Dominican Republic record 1.6 million years of reef evolution across the Mid-Pleistocene Transition, linking reef architecture, sea level, and coral change. Read more: geosociety.co/coral Image: Figure 1.

How does Earth recover from extreme global warming? New research in #Geology traces how landscapes across North America responded to the Paleocene–Eocene Thermal Maximum (PETM)—a rapid ~5–9°C warming event 56 million years ago. Read the paper: geosociety.co/Jaimes-Gutierrez-et-al#Geology #Paleoclimate

How did the Orogrande Basin evolve in Pennsylvanian–early Permian time, and what does it reveal about the Ancestral Rocky Mountains? New mapping shows synchronous deformation, flexural subsidence, and basement-involved reverse faulting. Read more: geosociety.co/permian-orogrande Image: Figure 15

Streams shaped by nature and engineering are everywhere, but rarely studied together. New GSA Bulletin research classifies natural and artificial stream reaches using 164 sites, identifying 12 stream types to guide restoration and watershed planning. Read more: geosociety.co/watersheds Image: Fig. 1