Geology Page

Layered lava flows within the Wai Subgroup from near Ambenali Ghat, Western Ghats.

Do volcanoes or an asteroid deserve blame for dinosaur extinction?

Geology Page - February 21, 2019

Basaltic dykes with a newly determined Age of 619 Million years in Novillo Gneiss, Tamaulipas (Mexico).

A volcanic binge and its frosty hangover

Geology Page - February 21, 2019

New species of tiny tyrannosaur foreshadows rise of T. rex

Geology Page - February 21, 2019

Adzebill skeleton

Origins of giant extinct New Zealand bird traced to Africa

Geology Page - February 21, 2019

Earth

Earth may be 140 years away from reaching carbon levels not...

Geology Page - February 21, 2019

Total human carbon dioxide emissions could match those of Earth's last major greenhouse warming event in fewer than five generations, new research finds. A new...

Graphic showing the Transition Zone inside the Earth Princeton seismologist Jessica Irving worked with then-graduate student Wenbo Wu and another collaborator to determine the roughness at the top and bottom of the transition zone, a layer within the mantle, using scattered earthquake waves. They found that the top of the transition zone, a layer located 410 kilometers down, is mostly smooth, but the base of the transition zone, 660 km down, in some places is much rougher than the global surface average. “In other words, stronger topography than the Rocky Mountains or the Appalachians is present at the 660-km boundary,” said Wu. NOTE: This graphic is not to scale. Credit: Kyle McKernan, Office of Communications

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet

Geology Page - February 16, 2019

Most schoolchildren learn that the Earth has three (or four) layers: a crust, mantle and core, which is sometimes subdivided into an inner and...

Bubbles of liquid carbon dioxide float out of the seafloor at a vent on Northwest Eifuku volcano off the coast of Japan.

How undersea gases once helped superheat our planet

February 16, 2019

pillow basalts from undersea volcanic eruptions,

Researchers help define Southern Ocean’s geological features

February 10, 2019

This is a view of Coalcliff in New South Wales, Australia, where researchers discovered evidence that Earth's largest extinction may have extinguished plant life nearly 400,000 years before marine animal species disappeared. Credit: Christopher Fielding

Earth’s largest extinction event likely took plants first

February 2, 2019

Image depicts the change in impact rate modeled in this paper. Some of the craters used in the study on both the moon and Earth are highlighted in the background. Credit: Data from NASA GSFC / LRO / Arizona State University; Artwork by Rebecca Ghent

Scientists find increase in asteroid impacts on ancient Earth by studying...

January 18, 2019

Plate Tectonics

subducted oceanic crust inferred from this study.

plate tectonics

Fate of the subducted oceanic crust revealed by laboratory experiments

Geology Page - February 10, 2019

Professor Tetsuo Irifune of the Geodynamics Research Center (GRC) of Ehime University heads a research group investigating the Earth's interior by means of experiments...

The central Andes Mountains and surrounding landscape, as seen in this true-color image from NASA’s Terra spacecraft, formed over the past 170 million years as the Nazca Plate lying under the Pacific Ocean has forced its way under the South American Plate. Credit: NASA

Earth’s continental nurseries discovered beneath mountains

Geology Page - February 2, 2019

In his free time last summer, Rice University geoscientist Ming Tang made a habit of comparing the niobium content in various rocks in a...

University of Houston researchers John Suppe, left, Jonny Wu and Yi-Wei Chen have reconstructed the ancient plates under the Andes Mountains. Credit: University of Houston

Scientists reconstruct ancient lost plates under Andes mountains

January 27, 2019

Planktonic foraminifera, such as these collected in the Gulf of Mexico, form the base of many marine and aquatic food chains.

Climate, life and the movement of continents: New connections

November 18, 2018

Plate Tectonics

Enhanced views of Earth tectonics

November 7, 2018

Earth's mantle (dark red) lies below the crust (brown layer near the surface) and above the outer core (bright red).

A wrench in Earth’s engine: Stagnant slabs

October 3, 2018

Volcanoes

Basaltic dykes with a newly determined Age of 619 Million years in Novillo Gneiss, Tamaulipas (Mexico).

A volcanic binge and its frosty hangover

Geology Page - February 21, 2019

A major volcanic event could have triggered one of the largest glaciations in Earth's history -- the Gaskiers glaciation, which turned the Earth into...

Satellite images reveal interconnected plumbing system that caused Bali volcano to...

February 16, 2019

This is a false color electron-microscope image of a resorbed apatite crystal (green) in pitchstone glass (blue). The composition of the pitchstone glass and the characteristic mineral textures are identical in the studied pitchstone sites of the Sgùrr of Eigg and Òigh-sgeir, although over 30km apart, indicating a common origin, and thus a large and geographically widespread volcanic eruption. Credit: Valentin Troll

Large volcanic eruption in Scotland may have contributed to prehistoric global...

January 27, 2019

The Santiaguito volcano: The Santiaguito dome complex in Guatemala regularly spews out plumes of gas and volcanic ash.

Geological fingerprinting of volcanic ash

January 18, 2019

Findings about the effect of a volcano's age on its likelihood to erupt will be applied to the Merapi volcano in Indonesia, among others.

How to predict when a volcano will erupt

January 14, 2019

Earthquake

Graphic showing the Transition Zone inside the Earth Princeton seismologist Jessica Irving worked with then-graduate student Wenbo Wu and another collaborator to determine the roughness at the top and bottom of the transition zone, a layer within the mantle, using scattered earthquake waves. They found that the top of the transition zone, a layer located 410 kilometers down, is mostly smooth, but the base of the transition zone, 660 km down, in some places is much rougher than the global surface average. “In other words, stronger topography than the Rocky Mountains or the Appalachians is present at the 660-km boundary,” said Wu. NOTE: This graphic is not to scale. Credit: Kyle McKernan, Office of Communications

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet

Geology Page - February 16, 2019

Most schoolchildren learn that the Earth has three (or four) layers: a crust, mantle and core, which is sometimes subdivided into an inner and...

Indonesia’s devastating 2018 earthquake was a rare supershear, UCLA study finds

February 16, 2019

On the area map on the left, the colored background is the ground displacement induced by the Palu earthquake and the thin black line is the fault, both derived from satellite radar images. The black dot is the city of Palu. The circles are spots that radiated waves during the earthquake; their color indicates time (blue at the beginning, red at the end). The right figure shows the timing and position of these earthquake radiators. Their alignment indicates a steady earthquake speed of about 4.1 km/s Credit: © Han Bao et al., Nature Geoscience

Earthquake with magnitude 7.5 in Indonesia—an unusual and steady speed

February 4, 2019

Floating seismometers dubbed MERMAIDs -- Mobile Earthquake Recording in Marine Areas by Independent Divers -- reveal that Galapagos volcanoes are fed by a mantle plume reaching 1,900 km deep. By letting their nine MERMAIDs float freely for two years, an international team of researchers created an artificial network of oceanic seismometers that could fill in one of the blank areas on the global geologic map, where otherwise no seismic information is available. Drifting a mile below the surface, MERMAIDs cover a large area. The red circles show where a MERMAID picked up a seismic signal. Credit: Courtesy of the researchers

MERMAIDs reveal secrets from below the ocean floor

February 4, 2019

Where plates collide: The main frontal thrust (red line) extends over the entire length of the Himalayas. Credit: NASA Earth Observatory

Waiting for the complete rupture

January 17, 2019

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Videos

Debris Flow Dynamics

Geology Page - February 19, 2019

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Paleontology

Layered lava flows within the Wai Subgroup from near Ambenali Ghat, Western Ghats.

Do volcanoes or an asteroid deserve blame for dinosaur extinction?

February 21, 2019

New species of tiny tyrannosaur foreshadows rise of T. rex

February 21, 2019

Adzebill skeleton

Origins of giant extinct New Zealand bird traced to Africa

February 21, 2019

Scientists excavate a dinosaur bone bed along the Colville River.

Marsupial lived among Arctic dinosaurs

February 19, 2019

This is an illustration depicting Mnyamawamtuka in its environmental setting.

New dinosaur with heart-shaped tail provides evolutionary clues for African continent

February 16, 2019

Fossils

New species of tiny tyrannosaur foreshadows rise of T. rex

February 21, 2019

Adzebill skeleton

Origins of giant extinct New Zealand bird traced to Africa

February 21, 2019

Scientists excavate a dinosaur bone bed along the Colville River.

Marsupial lived among Arctic dinosaurs

February 19, 2019

This is an illustration depicting Mnyamawamtuka in its environmental setting.

New dinosaur with heart-shaped tail provides evolutionary clues for African continent

February 16, 2019

A fossil of a conifer called Cunninghamia.

New study of fossil plants shows the emergence of the Pacific...

February 16, 2019

Dinosaurs

Layered lava flows within the Wai Subgroup from near Ambenali Ghat, Western Ghats.

Do volcanoes or an asteroid deserve blame for dinosaur extinction?

February 21, 2019

New species of tiny tyrannosaur foreshadows rise of T. rex

February 21, 2019

Scientists excavate a dinosaur bone bed along the Colville River.

Marsupial lived among Arctic dinosaurs

February 19, 2019

This is an illustration depicting Mnyamawamtuka in its environmental setting.

New dinosaur with heart-shaped tail provides evolutionary clues for African continent

February 16, 2019

Gobiraptor reconstruction.

New oviraptorosaur species discovered in Mongolia

February 10, 2019

Minerals

Thunder Egg

Geology Page - October 19, 2016

Malachite

Geology Page - September 1, 2016

Platinum

Geology Page - April 25, 2015

Gold

Geology Page - April 19, 2015

Geology Software

Remote Sensing Downloader

Geology Page - December 29, 2015

SAGA GIS – System for Automated Geoscientific Analyses

December 15, 2015

QGIS “Version 2.10.1”

October 24, 2015

ParaView “Open Source Visualization For Geoscience”

August 27, 2015

Surfer 13

July 21, 2015

Mars

Mars

Naturally occurring ‘batteries’ fueled organic carbon synthesis on Mars

Geology Page - November 1, 2018

Mars' organic carbon may have originated from a series of electrochemical reactions between briny liquids and volcanic minerals, according to new analyses of three...

The central portion of Osuga Valles, which has a total length of 164 km.

Mars valleys traced back to precipitation

Geology Page - July 3, 2018

The surface of Mars bears imprints of structures that resemble fluvial steam networks on Earth. Scientists therefore assume that there must have been once...

The oldest known zircon from Mars.

Meteorite ‘Black Beauty’ expands window for when life might have existed...

June 30, 2018

This is a temple in the Nubra Valley of Ladakh, India,

Learning about the Himalayas using Mars technology

June 21, 2018

Herðubreið Volcano in Iceland

Minerology on Mars points to a cold and icy ancient climate

June 9, 2018

Yellowstone National Park

Yellowstone ‘extremely relevant’ to origin of life

May 20, 2018

Moon

Earth taken by the Apollo 8 astronauts on Dec. 22, 1968

Thank the moon for Earth’s lengthening day

Geology Page - June 5, 2018

For anyone who has ever wished there were more hours in the day, geoscientists have some good news: Days on Earth are getting longer. A...

moon's mantle

Magma ocean may be responsible for the moon’s early magnetic field

Geology Page - April 28, 2018

Around four billion years ago, the Moon had a magnetic field that was about as strong as Earth's magnetic field is today. How the...

Do moon phases produce big earthquakes?

January 19, 2018

large collision on the early Earth

Collisions after moon formation remodeled early Earth

December 5, 2017

Moon crust formation graphic.

Moon’s crust underwent resurfacing after forming from magma ocean

November 22, 2017

How a young-looking lunar volcano hides its true age

March 29, 2017

LATEST ARTICLES

Layered lava flows within the Wai Subgroup from near Ambenali Ghat, Western Ghats.

Do volcanoes or an asteroid deserve blame for dinosaur extinction?

Geology Page - February 21, 2019

Basaltic dykes with a newly determined Age of 619 Million years in Novillo Gneiss, Tamaulipas (Mexico).

A volcanic binge and its frosty hangover

Geology Page - February 21, 2019

New species of tiny tyrannosaur foreshadows rise of T. rex

Geology Page - February 21, 2019

Adzebill skeleton

Origins of giant extinct New Zealand bird traced to Africa

Geology Page - February 21, 2019

Earth may be 140 years away from reaching carbon levels not...

Geology Page - February 21, 2019

Scientists excavate a dinosaur bone bed along the Colville River.

Marsupial lived among Arctic dinosaurs

Geology Page - February 19, 2019

Brimham Rocks

Brimham Rocks, England

Geology Page - February 19, 2019

Debris Flow Dynamics

Geology Page - February 19, 2019

Graphic showing the Transition Zone inside the Earth Princeton seismologist Jessica Irving worked with then-graduate student Wenbo Wu and another collaborator to determine the roughness at the top and bottom of the transition zone, a layer within the mantle, using scattered earthquake waves. They found that the top of the transition zone, a layer located 410 kilometers down, is mostly smooth, but the base of the transition zone, 660 km down, in some places is much rougher than the global surface average. “In other words, stronger topography than the Rocky Mountains or the Appalachians is present at the 660-km boundary,” said Wu. NOTE: This graphic is not to scale. Credit: Kyle McKernan, Office of Communications

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet

Geology Page - February 16, 2019

Mount Agung

Satellite images reveal interconnected plumbing system that caused Bali volcano to...

Geology Page - February 16, 2019

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