Researchers discovered natural sulfur and carbon emissions from metamorphic rocks contribute to cooling spikes, while carbon remains in the atmosphere for centuries, influencing ancient ecosystem reorganizations. These findings shed new light on mass-extinction events, such as the Ordovician, Devonian, Permian, and Triassic Periods.
A review paper synthesizes nearly 20 years of research on the Great Barrier Reef's responses to sea-level shifts, finding five distinct reef phases that formed, drowned, and reformed over 30,000 years. The study highlights the reefs' dynamic nature and reveals they were shaped by multiple environmental pressures.
Researchers found that 77% of rocks analyzed cooled at roughly the same time between 5-7 million years ago, providing direct evidence for a massive uplift event. This timing coincides with a previously known event during which the Pacific plate rotated, causing widespread deformation and uplift along the Ring of Fire.
A new study in Geology has discovered evidence of a major impact event about 3.5 billion years ago on the Moon, matching the ages of known impacts on Earth and in the asteroid belt. The discovery provides a key link to the history of the inner solar system and sheds light on catastrophic events that may have affected early life on Earth.
Researchers confirmed locations for nine well-below-Earth's-crust deep earthquakes, proving the existence of continental mantle earthquakes. The study revealed striking patterns, including extremely high temperatures and a heterogeneous structure in the Wyoming Craton.
Scientists have discovered a previously unknown mechanism that transfers heat into the deep ocean, even when surface water temperatures remain stable. The study reveals an abrupt 5°C warming in intermediate waters at 800 meters depth over the past 11,000 years, linked to changes in Southern Hemisphere ocean-atmosphere circulation.
A new study reveals that climate change is accelerating the rate of sublimation, causing less ice to melt into water that feeds reservoirs and rivers. The research found evidence of increasing sublimation rates from 6,000 to 600 years ago, with implications for future snow droughts.
Researchers have identified a field of tektites in Brazilian territory, which may have been formed by a single cosmic collision event. The geraisites, named after the Brazilian state of Minas Gerais where they were first discovered, have distinct geochemical signatures and date back approximately 6.3 million years.
Researchers reveal that seafloor weathering may be responsible for the discrepancy in Snowball Earth event durations, with faster rates linked to longer glaciations. This finding has significant implications for predicting future climate change.
Research on Mars' volcanic systems shows that they were shaped by long-lasting and evolving magma beneath the planet's surface. The study found that these volcanoes experienced multiple eruptive phases, transitioning from early fissure-fed lava emplacement to later point-source activity.
A team from the University of Trento has identified an empty subsurface lava tube beneath Venus' surface, estimated to be approximately one kilometer in diameter and 375 meters deep. The discovery was made possible by analyzing Magellan's radar images and provides new insights into Venus' volcanic processes and geology.
A new study in Geology suggests that massive undersea volcanism triggered at least four Triassic extinctions. Marine large igneous provinces were found to be a key driver of these events, accounting for half of the extinctions with an identifiable geological trigger.
A recent study published in Geology found that new single-celled marine species evolved rapidly, occurring in some places in under two thousand years. This rapid evolution helps scientists understand how ocean ecosystems respond to environmental changes and could provide insights into future mass extinctions.
A study found that Japanese eels thrive in rivers with higher summer water temperatures, particularly those with farmland and urban land uses. Volcanic geology also plays a role, as younger formations result in cooler rivers and may limit the species' expansion.
This study reveals two key aspects of intracontinental orogeny: independence from active plate boundaries and control by continental weak zones. Intracontinental orgens are formed through reactivation of tectonic weak zones, involving dual dynamic mechanisms.
Researchers have discovered that tidal heating can cause ice shells to melt, leading to ocean boiling and unique geological features. The process can also drive compressional tectonics, shaping the surface of icy moons.
A multidisciplinary team identified a network of water tunnels carved into soft tufa rock at Nahal 'Amal, which powered sugar mills during the Mamluk period. Radiometric dating suggests these channels supplied water to sugar mills, highlighting local ingenuity and adaptation to scarcity.
A new study reveals an unusual microbial world in the Hatiba Mons hydrothermal vent fields, showcasing remarkable metabolic versatility. The microbes present demonstrate a unique ecosystem dominated by iron-driven metabolisms, which drive chemical transformations and sustain life under extreme conditions.
Researchers have made a major breakthrough in understanding how diamond-bearing kimberlites erupt from deep within the Earth's mantle to the surface. By modeling the influence of volatile compounds on magma ascent, they found that diamonds can reach the surface due to rapid ascent preventing them from reverting to graphite.
The book explores the state's stunning landscapes, from the Guadalupe Mountains to the Gulf Coast, highlighting over 50 roads and natural areas. With its comprehensive guide and detailed geologic maps, Roadside Geology of Texas, Third Edition is a must-have for geology enthusiasts and travelers.
Researchers at Washington University in St. Louis have created quantum sensors that can measure stress and magnetism in materials under pressure exceeding 30,000 times the atmospheric pressure. These breakthrough sensors offer a new frontier for studying high-pressure phenomena in fields like astronomy, geology, and superconductivity.
A new study has revealed chemical signatures of ancient Martian microbial life in the Bright Angel formation, a region of Jezero Crater known for its fine-grained mudstones rich in oxidized iron and organic carbon. The findings suggest that early microorganisms may have played a role in shaping these rocks through redox reactions.
A large region of unusually hot rock deep beneath the Appalachian Mountains in the United States could be linked to Greenland and North America splitting apart 80 million years ago. The 'mantle wave' theory suggests that hot, dense rock slowly peels away from the base of tectonic plates after continents break apart.
Researchers used tiny crystal clots to analyze pressure changes before the 2006 Augustine Volcano eruption, which increased pressure enough to break rocks and cause the eruption. The method complements geophysical modeling, increasing understanding of magmatic processes.
A new UNM study finds a connection between the Grand Canyon landslide and the Meteor Crater impact 56,000 years ago. The team used multiple dating methods to confirm that the lake deposits in the Grand Canyon were triggered by the meteor impact.
The Chang'e-6 mission has returned samples from the Moon's farside, providing new insights into the lunar geology and thermal evolution. The samples revealed prolonged volcanic activity, a fluctuating magnetic field, asymmetric water distribution, and ultra-depleted mantle signatures.
A new study published in Geology analysis the body profiles of organisms from around 545 million years ago and suggest that the Cambrian explosion may have happened much earlier than estimated. The researchers found that organisms with slender body profiles thrived during this period, indicating a level of complexity and adaptability t...
Researchers have discovered Hadean-age rocks in the Nuvvuagittuq Greenstone Belt, Canada, dating back ~4.16 billion years. The preservation of these ancient materials offers a unique window into early Earth geology and potentially sets the stage for life's emergence.
The Late Ordovician Mass Extinction was caused by the rapid onset of global warming after the Hirnantian glaciation. The extinction lasted approximately 400 kyr with an average species extinction rate of 71.6% per 100 kyr during this period.
A multidisciplinary team analyzed seismic waveforms to reveal a significant low shear-wave velocity anomaly at a depth of 5.4–8 km, indicating possible liquid water in the upper crust.
Most spring runoff heading to reservoirs is actually several years old, indicating that most mountain snowfall has a years-long invisible journey as groundwater before it leaves the mountains. The findings indicate there is an order of magnitude more water stored underground than most Western water managers account for.
A new study by Texas A&M University researchers has revealed insights into Mars' geological history and potential for ancient life. The team analyzed diverse volcanic rocks in the Jezero Crater, providing a window into the planet's distant past and signs of altered olivine.
The Lucy mission is surveying the three-mile-wide main belt asteroid Donaldjohanson, which may have formed 150 million years ago when a larger parent asteroid broke apart. The flyby will provide independent insights on evolutionary processes based on its shape, surface geology and cratering history.
Researchers at Washington University in St. Louis propose a new mechanism to explain Venus' geology: convection in the crust. If true, this process could influence volcano placement and type. High-resolution gravity measurements could detect differences in crust temperature and density.
A University of Otago-led study develops more accurate methods to predict ice sheet and glacier deformation, driven by climate change. The research uses 70 years of data from experiments worldwide, enabling more reliable predictions about future ice-sheet movement.
New modeling by Southwest Research Institute-led researchers suggests that asteroid Donaldjohanson formed around 150 million years ago when a larger parent asteroid broke apart. The mission's data could shed light on the asteroid's peculiar shape and surface geology.
Researchers forecast shaking damage from crustal earthquake scenarios in Mexico City, with varying levels of damage depending on the region's underlying geology. The study modeled earthquakes up to magnitude 5.5 and found that one- to two-story buildings received the most damage, particularly in areas with soft lakebed sediments.
Scientists have discovered that channels carved by rivers have distinct curves compared to those cut by lava or ice. The research could be used as a diagnostic tool for sinuous channels on other worlds with unknown fluid origins.
The Zhurong rover discovered hidden layers of rock under the Martian surface indicating an ancient northern ocean. This finding offers clear evidence that Mars once had a significant body of water and a more habitable environment for life.
Lauren Berger, a Texas A&M University doctoral student, has been awarded a prestigious FINESST grant from NASA to study Martian dunes. She aims to analyze the shapes and patterns of compound dunes on Mars using high-resolution images, comparing them to similar dunes on Earth.
Paleontologists re-evaluate fossil records and discover a previously unknown predatory dinosaur species, Tameryraptor markgrafi, with significant differences from Carcharodontosaurus. The new findings suggest a more diverse dinosaur fauna in North Africa than previously thought.
Researchers at Southwest Research Institute propose a new model for the formation of Pluto and Charon, suggesting they may have originated from a giant collision similar to the Earth-Moon system. The scenario supports Pluto's active geology and possible subsurface ocean, with implications for the Kuiper Belt.
A study led by University of Alaska Fairbanks researcher Sean Regan has identified a 620-mile segment of the Denali Fault as a site where two landmasses joined and were later torn apart. The research focused on formations at three locations in Southcentral Alaska, Yukon, and near Juneau.
Scientists have developed a new technique to study faults, which can improve earthquake forecasts by determining the origins and directions of past rupture events. By analyzing curved scratches left on the fault plane, researchers can pinpoint where earthquakes start and spread, providing valuable insights for modeling future scenarios.
A new study reveals rare whitefly insect fossils found in Miocene age crater lake sediments at Hindon Maar, near Dunedin. The fossils, preserved in the position they lived and died, provide evidence of the ecological component of ancient forests on the South Island.
A new study provides a comprehensive breakdown of how water injected into the Permian Basin changes subsurface pressures and causes earthquakes. The research offers insights that oil and gas operators and regulators can use to reduce seismicity and associated hazards.
Geology researchers from UTEP are partnering with Bhutanese scientists to better understand and mitigate the impact of glacial floods on rural mountain villages. The project aims to use geophysical methods to identify changes in water levels and sediment transport, potentially helping vulnerable villages create early warning systems.
Researchers refine classic stratigraphic model of the Grand Canyon's Tonto Group, shedding light on sea-level rise, catastrophic storms and rapid trilobite diversification during the Cambrian period. The study offers a deeper understanding of global changes in climate and tectonics.
Scientists have identified a 22-million-year-old dolphin species, Romaleodelphis pollerspoecki, that was able to hear high-frequency sounds. The fossil, found in Austria, reveals an elongated snout and uniform teeth, differing significantly from known prehistoric dolphin lineages.
The Geological Society of America has acquired the award-winning geology book series from Mountain Press Publishing Company, expanding its publications and broadening engagement with the public. The acquisition includes copyrights and licensing agreements for select titles, which will continue to be distributed by Mountain Press.
China has launched 9 Earth observation satellites since 2022, enhancing its capacity for independent satellite detection and prevention of geological disasters. The satellites feature advanced radar payloads and can be applied in various fields such as geology, land use, and environmental monitoring.
A research team led by Dr. Franco Marcantonio found significant lead pollution in a Tibetan glacier starting in 1974, with highest levels between 2000 and 2007. The team traced the source of pollution to Chinese gasoline emissions containing lead until its phasedown after 2007.
Researchers discovered a mysterious subduction zone deep beneath the Pacific Ocean, reshaping our understanding of Earth's interior structure. The team found an unusually thick area in the mantle transition zone, suggesting the presence of colder material that slows down oceanic slabs as they sink through the mantle.
A nearly continuous 1268-meter-long drill core of serpentinized abyssal mantle peridotite has provided new insights into Earth's deep geology and the potential biogeochemical conditions involved in the origins of life. The findings reveal significant mineralogical variations, including low pyroxene content and oblique melt migration.
The DART mission provided a unique opportunity for studying the geology of a near-Earth asteroid binary system, shedding light on its origin and evolution. Researchers found that Dimorphos likely spun off from Didymos in a large mass shedding event, with Dimorphos having a surface age 40-130 times older than Didymos.
A new study suggests that using a combination of smaller impermeable barriers, known as a 'composite confining system,' can effectively trap CO2 for long-term storage. This approach is considered more efficient than traditional caprock-sealed reservoirs, which can be prone to leaks.
Researchers found seawater mixed with ore fluids to form gold, revealing a new mechanism for gold vein formation. This discovery could lead to the identification of high-grade gold deposits in sub-seafloor settings, reducing environmental impact.
Researchers have discovered concentrated rare earth elements in coal mines and adjacent formations in Utah and Colorado. The findings could enable the extraction of these critical minerals from domestic sources, supporting the transition to renewable energy.
Researchers have found that lithium can be extracted from Pennsylvania wastewater with high efficiency, potentially supplying up to 40% of the country's demand. This could bring the US closer to meeting its goal of producing all lithium domestically by 2030.