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Posts by The Geological Society of America (GSA)

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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

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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

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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

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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

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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.

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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

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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

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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.

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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

#Paleoclimate

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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

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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

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⏰ Final chance for Early Registration and Travel Grant applications for the Rocky Mountain Section Meeting.

Join peers this May for regionally focused science, in-person conversations, and field-area insights you won’t get anywhere else.

🗓️ Deadline: 16 April
🔗 Learn more: geosociety.co/RM2026

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Voting is still live in the GSA International Cordilleran Section (Mexico) Student Photo Contest—and the competition continues. We’re sharing it with our followers so you have a chance to help support a talented student photographer and help choose the winner.

🗳️ Vote: geosociety.co/photocontest

6 days ago 1 1 0 0
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📅 Undergraduate Research Week is April 20-24. Celebrate with us by:
1️⃣ Adding what's happening on your campus
2️⃣ Sharing UR stories for CUR to highlight
3️⃣ Participating in the daily social media prompts

🔗 Details at www.cur.org/events-services/undergra...

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A new study published in #Geology reports the first-ever tektite strewn field discovered in Brazil—revealing evidence of a previously unknown meteorite impact ~6.3 million years ago.

Read the study: geosociety.co/Crosta_et_al

#MeteoriteImpact #Tektites

1 week ago 3 1 0 0
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Congratulations to the Rocky Mountain Section champions! 🎉 This outstanding team is heading to Nationals this May with their winning design.

🏆 Winner: BYU–Idaho

Don’t miss your chance to see the final design up close—make plans for GSA Connects 2026: connects.geosociety.org

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New GSA Bulletin research shows buried mass-transport complexes (MTCs) precondition continental slopes for future failures. 3-D seismic & IODP data from NW Australia reveal how MTCs’ topography, lithology, and compaction guide failure paths.

Read more: geosociety.co/MTCs
Image: Figure 7

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Caves, granite domes, dinosaur tracks & deep time—what a weekend. 🪨

Our Roadside Geology Central Texas & Hill Country Field Trip explored Longhorn Cavern, Enchanted Rock, Dinosaur Valley, Pedernales Falls & more—bringing Texas geology to life in the field.

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🌍 Get ready to celebrate Earth Day 2026 with us! In honor of this year’s theme, Our Power, Our Planet, we’ve curated a YouTube playlist spotlighting how geoscientists tackle today’s environmental challenges. 🎥 Discover more: geosociety.co/earth

#EarthDay2026 #OurPowerOurPlanet #Geoscience

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EarthCache Spotlight: Pedernales Falls, Texas—Here the Pedernales River flows over tilted Pennsylvanian limestone of the Llano Uplift, etched with calcite veins and fossils. Flowing water carves pools and potholes (tinajas), while flash floods reshape it. 🔗 geosociety.co/EarthCache

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Self-nominations are open for GSA Council and Committees!

Featured Positions:
• Member-at-Large Student on the Annual Program Committee
• Member-at-Large Early Career Professional on the Penrose Conferences & Thompson Field Forums Committee

📅 Deadline: 15 June
🌐 geosociety.co/nominations-portal

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What if we could “see” where the next major earthquake might begin—deep beneath the surface?

New #Geology research reveals hidden zones of weakness and locked stress beneath the Marmara Sea through 3D electromagnetic imaging: geosociety.co/Kaya-Eken_et_al

#Earthquakes #NaturalHazards #Mapping

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Featured Opportunity:
The University of Wisconsin Stevens Point - College of Natural Resources is hiring an Assistant Professor - Fisheries and Extension Specialist—combining teaching, applied research, and community-focused water science.

🔎 Learn more: geosociety.co/4cfQYcu

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New GSA Bulletin research reveals Lower Triassic trace fossils from South China showing limulid (horseshoe crab) predators hunting polychaete worms. Predation and infaunalization were shaping marine ecosystems after the Permian–Triassic extinction. Article: geosociety.co/Triassic_ocean
Image: Fig. 8

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Could the formation of gold deposits start within "Fool's Gold?" 🪙

A new #GSABulletin study reveals that the formation of one of the largest gold deposits in the South Tianshan region begins long before the gold is even “visible:" geosociety.co/Ma_et_al

#MineralExploration #EconomicGeology #Gold

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Attend GSA Connects 2026—with funding, mentoring and a built-in community!

The On To the Future® (OTF) program offers:
• Funding
• Mentorship & community
• Exclusive events

⏰ Deadline: 7 May
🔗 Learn more and apply: geosociety.co/OTF

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A new #Geology study used advanced thermomechanical modeling to explore a process called vertical extrusion, in which large volumes of continental crust can be subducted to mantle depths and then rise vertically through the overlying plate.

Read the full study: geosociety.co/Muldashev_Nagel

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🚨 Last chance! GSA Section Undergraduate Research Grants fund undergrad projects at any stage—fieldwork, lab work, data analysis & more. Awards $500–$2,000.

🔗 Apply now: GeoSociety.co/Undergrad_Grants

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🏔️ Get ready for the 2026 Rocky Mountain Section Meeting GSA Geology Club Tee-Off! Voting for this section kicks off early on 7 April. Every vote counts—your club could be the one to advance to the National Finals, 5–7 May.

👉 Cast your vote: geosociety.co/vote-rockymountain

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Relics of an ancient sandstorm on Mars point to Earth-like winds Curiosity rover finds what may be the first direct evidence that Mars once had a thick atmosphere

The martian atmosphere is currently 200 times thinner than that of Earth. A 3 billion-year-old sandstorm recorded in the rocks could be the first direct evidence that wasn't always so. My latest for @science.org.🧪⚒️ 🚀🪐

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