The Geological Society of America (GSA)
@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.
Discover how planetary scientists and astronauts learn from Earth itself in “Analogs for Planetary Exploration” (edited by W. Brent Garry & Jacob E. Bleacher).
Buy a PDF of the book today: geosociety.co/4i11R4l
#PlanetaryScience #Astronaut #FieldTrips #Moon #Mars
Buy a PDF of the book today: geosociety.co/4i11R4l
#PlanetaryScience #Astronaut #FieldTrips #Moon #Mars
November 15, 2025 at 5:01 PM
Discover how planetary scientists and astronauts learn from Earth itself in “Analogs for Planetary Exploration” (edited by W. Brent Garry & Jacob E. Bleacher).
Buy a PDF of the book today: geosociety.co/4i11R4l
#PlanetaryScience #Astronaut #FieldTrips #Moon #Mars
Buy a PDF of the book today: geosociety.co/4i11R4l
#PlanetaryScience #Astronaut #FieldTrips #Moon #Mars
GSA was proud to support the 7th Annual Fería de las Ciencias de la Tierra y el Espacio in Puerto Vallarta! Students explored earthquakes, volcanoes, tides, hurricanes & more—guided by members of the scientific community.
Learn more: raugm.org.mx/feria
#PuertoVallarta2025 #CienciaParaTodos
Learn more: raugm.org.mx/feria
#PuertoVallarta2025 #CienciaParaTodos
November 14, 2025 at 10:22 PM
GSA was proud to support the 7th Annual Fería de las Ciencias de la Tierra y el Espacio in Puerto Vallarta! Students explored earthquakes, volcanoes, tides, hurricanes & more—guided by members of the scientific community.
Learn more: raugm.org.mx/feria
#PuertoVallarta2025 #CienciaParaTodos
Learn more: raugm.org.mx/feria
#PuertoVallarta2025 #CienciaParaTodos
New #GSABulletin research uncovers Andean-type plutons hidden within the Spanish Central System batholith. The study suggests back-arc basin closure and subduction of hyperextended Gondwanan crust enabled transient oceanic input.
Read the full paper: geosociety.co/47S52GQ
#Geology #Petrology
Read the full paper: geosociety.co/47S52GQ
#Geology #Petrology
November 14, 2025 at 9:01 PM
New #GSABulletin research uncovers Andean-type plutons hidden within the Spanish Central System batholith. The study suggests back-arc basin closure and subduction of hyperextended Gondwanan crust enabled transient oceanic input.
Read the full paper: geosociety.co/47S52GQ
#Geology #Petrology
Read the full paper: geosociety.co/47S52GQ
#Geology #Petrology
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
Read more: geosociety.co/3JFKdGy
#Geodynamics #Lithosphere #Geoscience #GSAPubs
November 14, 2025 at 6:55 PM
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
Read more: geosociety.co/3JFKdGy
#Geodynamics #Lithosphere #Geoscience #GSAPubs
Meet Gladys Pantoja, a PhD candidate at Clarkson University and two-time GSA On To the Future (OTF) scholar. Gladys champions diversity and mentorship, showing how OTF transforms careers and builds community.
🔗 Learn more about OTF: geosociety.co/OTF
#OnToTheFuture #GSAConnects #Geoscience
🔗 Learn more about OTF: geosociety.co/OTF
#OnToTheFuture #GSAConnects #Geoscience
November 9, 2025 at 1:00 AM
Meet Gladys Pantoja, a PhD candidate at Clarkson University and two-time GSA On To the Future (OTF) scholar. Gladys champions diversity and mentorship, showing how OTF transforms careers and builds community.
🔗 Learn more about OTF: geosociety.co/OTF
#OnToTheFuture #GSAConnects #Geoscience
🔗 Learn more about OTF: geosociety.co/OTF
#OnToTheFuture #GSAConnects #Geoscience
Big ideas start close to home. 🌎
Abstract submissions for GSA’s 2026 Section Meetings are OPEN! Share your regional discoveries, connect with peers, and shape the future of geoscience.
🗓️ Deadline: Jan 13, 2026
🔗 geosociety.co/SectionMeetings
Abstract submissions for GSA’s 2026 Section Meetings are OPEN! Share your regional discoveries, connect with peers, and shape the future of geoscience.
🗓️ Deadline: Jan 13, 2026
🔗 geosociety.co/SectionMeetings
November 7, 2025 at 8:59 PM
Big ideas start close to home. 🌎
Abstract submissions for GSA’s 2026 Section Meetings are OPEN! Share your regional discoveries, connect with peers, and shape the future of geoscience.
🗓️ Deadline: Jan 13, 2026
🔗 geosociety.co/SectionMeetings
Abstract submissions for GSA’s 2026 Section Meetings are OPEN! Share your regional discoveries, connect with peers, and shape the future of geoscience.
🗓️ Deadline: Jan 13, 2026
🔗 geosociety.co/SectionMeetings
What if geothermal energy could power the nation? 🔥
In a new #GSAConnectscast feature, USGS scientists explore how geothermal research is shaping a more sustainable energy future.
🎥 Watch now: geosociety.co/geothermal
#USGS #GeothermalEnergy #EnergyTransition #Sustainability
In a new #GSAConnectscast feature, USGS scientists explore how geothermal research is shaping a more sustainable energy future.
🎥 Watch now: geosociety.co/geothermal
#USGS #GeothermalEnergy #EnergyTransition #Sustainability
November 6, 2025 at 7:02 PM
What if geothermal energy could power the nation? 🔥
In a new #GSAConnectscast feature, USGS scientists explore how geothermal research is shaping a more sustainable energy future.
🎥 Watch now: geosociety.co/geothermal
#USGS #GeothermalEnergy #EnergyTransition #Sustainability
In a new #GSAConnectscast feature, USGS scientists explore how geothermal research is shaping a more sustainable energy future.
🎥 Watch now: geosociety.co/geothermal
#USGS #GeothermalEnergy #EnergyTransition #Sustainability
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
🔗 Read the newest issue here: geosociety.co/4qI5Gz5
#GSAToday #Geoscience #GSAPubs
November 5, 2025 at 8:01 PM
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
🔗 Read the newest issue here: geosociety.co/4qI5Gz5
#GSAToday #Geoscience #GSAPubs
Ever walked where the ocean once was? Deep in Peru’s 150-million-year-old limestone, Las Estalactitas y Estalagmitas de Quiocta hide fossils and spectacular cave formations.
📍 Location: Provincia de Luya , Peru
📊 Difficulty: 2/5 | Terrain: 3/5
🔗 Discover more EarthCaches: geocaching.com/play/search
📍 Location: Provincia de Luya , Peru
📊 Difficulty: 2/5 | Terrain: 3/5
🔗 Discover more EarthCaches: geocaching.com/play/search
November 3, 2025 at 11:22 PM
Ever walked where the ocean once was? Deep in Peru’s 150-million-year-old limestone, Las Estalactitas y Estalagmitas de Quiocta hide fossils and spectacular cave formations.
📍 Location: Provincia de Luya , Peru
📊 Difficulty: 2/5 | Terrain: 3/5
🔗 Discover more EarthCaches: geocaching.com/play/search
📍 Location: Provincia de Luya , Peru
📊 Difficulty: 2/5 | Terrain: 3/5
🔗 Discover more EarthCaches: geocaching.com/play/search
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
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
November 1, 2025 at 12:32 PM
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
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
What a week! #GSAConnects 2025 reminded us why geoscience matters—and how much stronger we are together.
From field trips and poster sessions to award-winning research and late-night conversations, San Antonio was alive with discovery and connection. Every moment moved our science forward.
From field trips and poster sessions to award-winning research and late-night conversations, San Antonio was alive with discovery and connection. Every moment moved our science forward.
October 31, 2025 at 6:41 AM
What a week! #GSAConnects 2025 reminded us why geoscience matters—and how much stronger we are together.
From field trips and poster sessions to award-winning research and late-night conversations, San Antonio was alive with discovery and connection. Every moment moved our science forward.
From field trips and poster sessions to award-winning research and late-night conversations, San Antonio was alive with discovery and connection. Every moment moved our science forward.
Congrats to Dr. Mahmud Muhammad, a 2022 GSA Grant Recipient! 🌎
His research connects geoscience with Indigenous culture, showing Qwélqwélústen (Mount Meager) was once a kilometer taller.
#GSA #Geoscience #IndigenousKnowledge
His research connects geoscience with Indigenous culture, showing Qwélqwélústen (Mount Meager) was once a kilometer taller.
#GSA #Geoscience #IndigenousKnowledge
September 25, 2025 at 10:01 PM
Congrats to Dr. Mahmud Muhammad, a 2022 GSA Grant Recipient! 🌎
His research connects geoscience with Indigenous culture, showing Qwélqwélústen (Mount Meager) was once a kilometer taller.
#GSA #Geoscience #IndigenousKnowledge
His research connects geoscience with Indigenous culture, showing Qwélqwélústen (Mount Meager) was once a kilometer taller.
#GSA #Geoscience #IndigenousKnowledge
Decades of data show how the Xiaolangdi Reservoir has transformed erosion in China’s Lower Yellow River. This study reveals vital insights for sustainable river management.
👉 Read more: geosociety.co/3VGJ2Ja
👉 Read more: geosociety.co/3VGJ2Ja
September 25, 2025 at 9:32 PM
Decades of data show how the Xiaolangdi Reservoir has transformed erosion in China’s Lower Yellow River. This study reveals vital insights for sustainable river management.
👉 Read more: geosociety.co/3VGJ2Ja
👉 Read more: geosociety.co/3VGJ2Ja
🌎✨ Adventure is calling—will you answer?
Join expert guides, discover world-class sites, and experience geoscience where it happens—out in the field.
Spots are limited and selling fast, don’t get left behind!
Explore all field trips here: geosociety.co/FieldTrips
#GSAConnects #GSAintheField
Join expert guides, discover world-class sites, and experience geoscience where it happens—out in the field.
Spots are limited and selling fast, don’t get left behind!
Explore all field trips here: geosociety.co/FieldTrips
#GSAConnects #GSAintheField
September 8, 2025 at 4:50 PM
🌎✨ Adventure is calling—will you answer?
Join expert guides, discover world-class sites, and experience geoscience where it happens—out in the field.
Spots are limited and selling fast, don’t get left behind!
Explore all field trips here: geosociety.co/FieldTrips
#GSAConnects #GSAintheField
Join expert guides, discover world-class sites, and experience geoscience where it happens—out in the field.
Spots are limited and selling fast, don’t get left behind!
Explore all field trips here: geosociety.co/FieldTrips
#GSAConnects #GSAintheField
🗻 How did the Appalachian Mountains form—and what do they have in common with mountain belts across the Atlantic?
Geologist Cees van Staal connects the tectonic dots in the latest @geologybites.bsky.social episode.
Listen Now: geosociety.co/4gamRo4
#GeologyBites #Geoscience #AppalachianGeology
Geologist Cees van Staal connects the tectonic dots in the latest @geologybites.bsky.social episode.
Listen Now: geosociety.co/4gamRo4
#GeologyBites #Geoscience #AppalachianGeology
September 8, 2025 at 1:53 PM
🗻 How did the Appalachian Mountains form—and what do they have in common with mountain belts across the Atlantic?
Geologist Cees van Staal connects the tectonic dots in the latest @geologybites.bsky.social episode.
Listen Now: geosociety.co/4gamRo4
#GeologyBites #Geoscience #AppalachianGeology
Geologist Cees van Staal connects the tectonic dots in the latest @geologybites.bsky.social episode.
Listen Now: geosociety.co/4gamRo4
#GeologyBites #Geoscience #AppalachianGeology
We’re proud to be at the Annual Technical Conference of the National Association of Black Geoscientists (NABG) in the Green Center at the Colorado School of Mines campus.
Come connect with the GSA team, learn how we support geoscientists & explore opportunities.
#NABG44 #Geoscience #GSAintheField
Come connect with the GSA team, learn how we support geoscientists & explore opportunities.
#NABG44 #Geoscience #GSAintheField
September 4, 2025 at 8:53 PM
We’re proud to be at the Annual Technical Conference of the National Association of Black Geoscientists (NABG) in the Green Center at the Colorado School of Mines campus.
Come connect with the GSA team, learn how we support geoscientists & explore opportunities.
#NABG44 #Geoscience #GSAintheField
Come connect with the GSA team, learn how we support geoscientists & explore opportunities.
#NABG44 #Geoscience #GSAintheField
🌋 Kīlauea is erupting again! Scientists studying the 2018 eruption discovered that Kīlauea’s lava—full of bubbles and crystals—remains low in viscosity. That means lava can flow faster and farther than expected, making monitoring essential.
Read the #Geology study here: geosociety.co/4mWL3wM
Read the #Geology study here: geosociety.co/4mWL3wM
September 3, 2025 at 9:43 PM
🌋 Kīlauea is erupting again! Scientists studying the 2018 eruption discovered that Kīlauea’s lava—full of bubbles and crystals—remains low in viscosity. That means lava can flow faster and farther than expected, making monitoring essential.
Read the #Geology study here: geosociety.co/4mWL3wM
Read the #Geology study here: geosociety.co/4mWL3wM
September is #NationalPreparednessMonth, a reminder to plan ahead for natural hazards.
Congress is weighing bills to support #geohazard science: earthquake, volcano, landslide & sinkhole programs. GSA's advocating for science to ensure resilience.
Read our position statement: geosociety.co/46gVohb
Congress is weighing bills to support #geohazard science: earthquake, volcano, landslide & sinkhole programs. GSA's advocating for science to ensure resilience.
Read our position statement: geosociety.co/46gVohb
September 3, 2025 at 7:08 PM
September is #NationalPreparednessMonth, a reminder to plan ahead for natural hazards.
Congress is weighing bills to support #geohazard science: earthquake, volcano, landslide & sinkhole programs. GSA's advocating for science to ensure resilience.
Read our position statement: geosociety.co/46gVohb
Congress is weighing bills to support #geohazard science: earthquake, volcano, landslide & sinkhole programs. GSA's advocating for science to ensure resilience.
Read our position statement: geosociety.co/46gVohb
TONIGHT’S the deadline! 🚨 Want to host an Alumni Night, affinity group social, or informal meet-up at GSA Connects in San Antonio? Space requests close at midnight.
Don’t let this opportunity slip by—the best connections happen outside the session rooms.
🔗 Submit your request: geosociety.co/3TMVJ4s
Don’t let this opportunity slip by—the best connections happen outside the session rooms.
🔗 Submit your request: geosociety.co/3TMVJ4s
August 29, 2025 at 6:20 PM
TONIGHT’S the deadline! 🚨 Want to host an Alumni Night, affinity group social, or informal meet-up at GSA Connects in San Antonio? Space requests close at midnight.
Don’t let this opportunity slip by—the best connections happen outside the session rooms.
🔗 Submit your request: geosociety.co/3TMVJ4s
Don’t let this opportunity slip by—the best connections happen outside the session rooms.
🔗 Submit your request: geosociety.co/3TMVJ4s
🌍 Earlier this year, geoscientists from around the world joined our Thompson Field Forum in Cuba. These forums showcase what makes geoscience unique—discovering Earth’s processes through the land itself, enriched by cultural exchange and collaboration.
🔗 Watch here: youtube.com/watch?v=gIw0A3EEN6A
🔗 Watch here: youtube.com/watch?v=gIw0A3EEN6A
GSA Thompson Field Forum 2025 — Cuba
YouTube video by geosociety
youtube.com
August 29, 2025 at 1:12 PM
🌍 Earlier this year, geoscientists from around the world joined our Thompson Field Forum in Cuba. These forums showcase what makes geoscience unique—discovering Earth’s processes through the land itself, enriched by cultural exchange and collaboration.
🔗 Watch here: youtube.com/watch?v=gIw0A3EEN6A
🔗 Watch here: youtube.com/watch?v=gIw0A3EEN6A
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
Read more: geosociety.co/4fD7wwm
#GSAPubs #Paleontology
August 28, 2025 at 7:59 PM
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
Read more: geosociety.co/4fD7wwm
#GSAPubs #Paleontology
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
📖 Read more: geosociety.co/41s4S6s
#Geology #Geochemistry #GSAPubs
August 27, 2025 at 5:21 PM
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
📖 Read more: geosociety.co/41s4S6s
#Geology #Geochemistry #GSAPubs
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
A new #GSABulletin study models the Wetumpka crater’s Late Cretaceous formation—revealing what shaped its unusual rim.
🔗 geosociety.co/45laxfX
#Geology #GSAPubs
August 27, 2025 at 12:37 AM
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
A new #GSABulletin study models the Wetumpka crater’s Late Cretaceous formation—revealing what shaped its unusual rim.
🔗 geosociety.co/45laxfX
#Geology #GSAPubs
Houston, we’ve landed. 🚀
We're at IMAGE ’25 from today until 28 August! Come visit us at Booth #701 to connect with our team, explore opportunities, and see how GSA can support your geoscience journey.
#IMAGE25 #Geoscience #GSAintheField
We're at IMAGE ’25 from today until 28 August! Come visit us at Booth #701 to connect with our team, explore opportunities, and see how GSA can support your geoscience journey.
#IMAGE25 #Geoscience #GSAintheField
August 25, 2025 at 11:34 PM
Houston, we’ve landed. 🚀
We're at IMAGE ’25 from today until 28 August! Come visit us at Booth #701 to connect with our team, explore opportunities, and see how GSA can support your geoscience journey.
#IMAGE25 #Geoscience #GSAintheField
We're at IMAGE ’25 from today until 28 August! Come visit us at Booth #701 to connect with our team, explore opportunities, and see how GSA can support your geoscience journey.
#IMAGE25 #Geoscience #GSAintheField
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
Read more: geosociety.co/4lXmbVn
#Geodynamics #GSAPubs
August 25, 2025 at 3:35 PM
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
Read more: geosociety.co/4lXmbVn
#Geodynamics #GSAPubs