@geosociety.bsky.social
The Geological Society of America (GSA) unites a diverse community of geoscientists in a common purpose to study the mysteries of our planet (and beyond) and share scientific findings.
Geosphere turns 20—and it’s always stood out. Think you know what sets it apart?
👇 Take the quiz & drop your guess in the comments. We’ll reveal the answer tomorrow!
Geosphere is GSA’s only journal that…
A. Is 100% open access
B. Uses landscape PDFs
C. Has a sans serif typeface
D. All of the above
The August 2025 #Geosphere issue celebrates 20 years—now live and 100% #OpenAccess!
Explore research from 3 continents + a special intro from the editors on Geosphere’s past & future.
Stay tuned for trivia next week: geosociety.co/4lR49UE
#GSAPubs #20YearsofGeosphere
Heading to #GSAConnects 2025? Don’t miss Night at the Museum—an evening of art, connection & culture at the Briscoe Western Art Museum.
📅 Sun, 19 Oct | 7:30–9:30 p.m.
Reserve your spot under “Ticketed Events”: geosociety.co/3UAdkwJ
#Geology
Abstract deadline is coming up FAST: 5 August!
Got research to share or an idea worth reviving? GSA Connects 2025 is your stage. Take it from @groovygeologist.bsky.social, presenting builds skills, connections, and your CV.
🔗 Submit: gsameetings.secure-platform.com/connects25
Michigan rockhounds, don’t miss this!
GSA member & author Paul Brandes is on tour today & tomorrow in MI:
🗓 29 July | East Lansing, 6:30 p.m. ET
🗓 30 July | Traverse City, 6:30 p.m. ET
Explore Michigan’s geology & grab Michigan Rocks! on-site or online: geosociety.co/46zKaVW
#MichiganRocks
How long did magma flow through a major feeder dike in the Columbia River flood basalts?
New research in Geosphere shows it may have been just 1.4–2.9 years—much shorter than expected! A key insight into the impact of LIPs.
Read more: geosociety.co/4fmvGLv
#Geology #GSAPubs
New study challenges the timing of the Late Ordovician extinction.
Zimmt et al. find peak tropical cooling during the Early Paleozoic Icehouse occurred after the event, based on isotope data from Anticosti Island.
Read the study here: geosociety.co/4f2jdw9
#Geology #GSAPubs
EarthCache Spotlight: New York Harbor
From ancient schist to Ice Age moraines, this iconic glacially carved harbor is packed with geologic history.
No containers—just science in the land.
📍 New York, USA
🔗 geocaching.com
#EarthCache #GSA #Geology
New insights into the Canadian Rockies! 🏔️
Welch & Shaw used 10,000+ new measurements to create a detailed 3D structural model of the Bow Valley–Kananaskis region, refining fold-and-thrust belt models.
Read in Geosphere: geosociety.co/45o8DLJ
#Geosphere #Geology #GSAPubs
Hey, Michigan! Paul Brandes is hitting the road next week to talk all things geology & you’re invited.
🗓️ 29 July | East Lansing Public Library
Hosted by Michigan Basin Geological Society
🗓️ 30 July | Traverse Area District Library
Can’t make it? Grab your copy online here: geosociety.co/4o3ckPh
Planning a real or virtual field trip to Iceland? 🌋
GSA Field Guide 54 explores its volcanic, tectonic & glacial landscapes—plus geothermal energy, geomorphology & more.
Get your copy: geosociety.co/40yPPYt
#Iceland #GSAPubs #Geology #Geothermal #Glaciation
Fieldwork in the Southwest? Paleo data from the Gulf Coast? Big tectonic models or local strat stories?
No matter where your science takes you—bring it to San Antonio!
🗓️ Abstracts Deadline: 5 August 2025
📍Connects 2025 | 19–22 October
🔗 Submit now: gsameetings.secure-platform.com/connects25
🦖 Farewell, fossil friend!
After years at GSA HQ, our iconic T. rex skull cast has a new home: on public display at Dinosaur Ridge! Ready to inspire dino-lovers of all ages along the Front Range, he’s off to shine in the spotlight. 💚
#DinosaurRidge #GSAFossils #FossilFarewell #Paleontology
New in #Geosphere: Dr. Fred M. Phillips unravels the uplift history of the Sierra Nevada!
Using Central Valley subsurface data, the study shows:
▪️ Rapid northern uplift 5–1.7 Ma
▪️ Gradual southern tilting since 12 Ma
Read more: geosociety.co/46clqTm
#Geology #GSAPubs
What can microbes tell us about copper-sulfide deposits?
A new #OpenAccess study in #Geology explores how microbial DNA can help detect ore mineralization—key for meeting rising resource demands.
Read more: geosociety.co/4kLBUWd
#GSAPubs #Mineralization
Science connects us—but community sustains us.
At #GSAConnects, Non-Technical Events like Alumni Nights and social events bring our geoscience family together beyond the session room. Want to host one? Space requests are now open!
🗓️ Deadline: 29 August
🔗 Submit your request: geosociety.co/3TMVJ4s
Going to #GSAConnects or thinking about it? Join Rachel & @groovygeologist.bsky.social for a LIVE Q&A next Thursday!
🗓️ 24 July
⏰ 9:30 a.m. MT / 11:30 a.m. ET
📍 YouTube Live
Get the scoop on abstracts, funding, field trips & more!
Tune in here: geosociety.co/4lw2l3d
#LiveQandA #AskAGeologist
Explore your future at GeoCareers Corner at GSA Connects 2025!
Mentoring, resume help, networking & more.
📅 19–21 Oct | 9 a.m.–5 p.m. | San Antonio
🔗 Details: geosociety.co/4m25bwZ
#GeoCareers #GSAConnects2025
Two new studies in #GSABulletin trace lithium’s deep-time journey in Western Canada—revealing sediment-sourced brines and wind-blown evaporites rich in Li. A game-changer for finding future resources!
🔗 Source to sink: geosociety.co/4lWBLQP
🔗 Wind: geosociety.co/4lSPbNu
#Geology #GSAPubs
LAST CALL: Proposals Due Today!
This is your final chance to submit a session, short course, or field trip idea for the 2026 Section Meetings. Don’t just attend—lead the conversations shaping the future of geoscience.
🔗 Choose a Section Meeting and submit here: geosociety.co/3Sok6og
How did Earth’s continents form—and what did the earliest ones look like?
In this #GeologyBites episode, Renée Tamblyn explores early continental lithosphere, water’s role in geologic processes, and hydrogen’s link to early life.
geosociety.co/4eHQsVt
#Geoscience #GSA
New #Geosphere research on the Famatinian arc (NW Argentina) reveals two distinct magmatic stages—shaped by mantle-crust interactions and pre-existing lithosphere.
Read more: geosociety.co/4nYWeGz
#GSAPubs
Final days to submit your 2026 Section Meeting proposal!
Got a bold idea for a session, short course, or field trip? You’ve got until 15 July to bring it to life.
From field boots to conference rooms—help shape the future of geoscience.
🔗 Submit here: geosociety.co/3Sok6og
How do massive salt layers deform over millions of years?
A new #GSABulletin study uses 3D seismic data to unravel the multiphase evolution of the Mediterranean salt giant in the Levant Basin.
🔗 geosociety.co/4lGn2Jt
#Geology #GSAPubs #GSA
Is it time to recognize a fourth class of rocks?
Fault rocks like mylonites and cataclasites may not fit the classic trio. The July #GSAToday issue makes the case—and features field insights from Sage Hen Flat to Cuba.
Read now: geosociety.org/GSAToday
#Geology #GSA
Tiny zircon grains = big tectonic clues.
A new #GSABulletin study traces ancient links between Arctic Alaska, Baltica & Laurentia using detrital zircon geochronology—offering a two-part model for the Amerasia Basin’s opening.
🔗 geosociety.co/4eClz4O
#ArcticGeology #GSAPubs
📢 The July/August issue of #GSABulletin is now available!
Read online: geosociety.co/4ewtd0c
#GSAPubs #Geoscience #EarthScience
What can tiny salt crystals reveal about Earth—and Mars?
A new #GSABulletin study utilizes Permian halite from Kansas and North Dakota to decode ancient lake chemistry and refine our understanding of Martian water.
Read more: geosociety.co/4lbfte4
#Geology #GSAPubs
🧪 From Grant to Breakthrough
GSA-funded research just made its mark in the Mojave! Fabian Cerón Hardy, a recent GSA Grad Grant recipient, published his first paper on Miocene herbivores + ancient ecosystems. Now he’s faculty at SRU!
🔗 geosociety.co/4kqJcyp
#GSAFunded #Geology
REMINDER: Abstract submissions for GSA Connects 2025 are open!
Got research to share? Field or lab—put your work on the map in San Antonio.
🗓️ Deadline: 5 Aug 2025
📍 San Antonio, Texas | 19–22 October
🔗 Submit: gsameetings.secure-platform.com/connects25
#GSAConnects #CallForAbstracts #Geology
