Wednesday, August 4, 2021
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Geology Page

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Seismogram
Earthquake

Earthquake, tsunami hazards from subduction zones might be higher than current...

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Fracking
Earthquake

Local impacts from fracking the Eagle Ford

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"Hollywood" specimen, same species as Teratophoneus, discovered approximately two miles north of the "Rainbows and Unicorns Quarry" on Grand Staircase-Escalante National Monument. Credit: U.S. Bureau of Land Management
Dinosaur

Fearsome tyrannosaurs were social animals, study shows

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Illustration showing how the three new species of fossil cloud rats might have looked. Credit: © Velizar Simeonovski, Field Museum.
Fossils

Fossils of ‘giant cloud rats’ discovered in Philippine caves

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Rafinesquina, seen in this close-up shot, was an ancient genus of brachiopod belonging to order Strophomenida. This order survived two mass extinction events, but the second represented a ‘death sentence’ from which they were unable to recover diversity, persisting for another hundred million years as a ‘dead clade walking’ before their eventual extinction. IMAGE: Provided by Benjamin Barnes
Fossils

New insights into mass extinctions

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Bathymetric chart of a part of the Red Sea. Source GEOMAR.
plate tectonics

Red Sea is no longer a baby ocean

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Experimental setup for 3D seismic model.
Earthquake

3D printed models provide clearer understanding of ground motion

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From left, University of Wyoming students Shane Scoggin, Adam Trzinski and Jessie Shields are part of new research investigating crustal melting in western North America. Here, they examine igneous rocks in the Snake Range of Nevada. Credit: Jay Chapman
Earth

Scientists probe mysterious melting of Earth’s crust in western North America

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West Mato Volcano erupting in 2009, courtesy of the National Oceanic and Atmospheric Administration.
Volcanoes

Energy unleashed by submarine volcanoes could power a continent

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Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi, courtesy of Science magazine)
Dinosaur

How many T. rexes were there? Billions

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The world's smallest stegosaur footprint (less than 6 cm long), Xingjiang, China. Photo credit - Lida Xing.
Dinosaur

Tiny cat-sized stegosaur leaves its mark

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Seismogram
Earthquake

Study reveals the workings of nature’s own earthquake blocker

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Viti Crater (formed in the 1724 event), where the Iceland Deep Drilling Project accidentally drilled into magma in 2009. They were drilling there originally to explore the potential for geothermal energy. Credit: Shane Rooyakkers.
Volcanoes

Hidden magma pools pose eruption risks that we can’t yet detect

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The Xiamaling Formation in China, which contains fossilised algae from primeval times. Credit: © Don E. Canfield
Paleontology

A new look at evolution in the oceans

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DeMMO field team from left to right: Lily Momper, Brittany Kruger, and Caitlin Casar sampling fracture fluids from a DeMMO borehole installation. Credit: ©Matt Kapust
Earth

Earth’s crust mineralogy drives hotspots for intraterrestrial life

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The Atlantis II fracture zone in the southwestern Indian Ocean with a zoom on the northern corner. The greater water depth in the transform valley is clearly visible. As the plates move, magmatism in the corners refills the deep transform valleys so that the adjacent fracture zones are shallower. Graphic: Christoph Kersten/GEOMAR according to Grevemeyer et al., 2021
plate tectonics

A new view on plate tectonics

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The research potentially has wide implications for the materials sector and industry. Credit: Monash University
Mineral Researches

Rare earth unlocks copper, gold and silver secrets

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Volcano magma chamber. Credit: Cardiff University
Volcanoes

When volcanoes go metal

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Adzebills, also close relatives of cave-rails, were large, flightless birds with big beaks that could have been used to prey on small animals or strip vegetation. Illustration courtesy of Nobu Tamura, CC BY 3.0
Fossils

Extinct Caribbean bird’s closest relatives hail from Africa, South Pacific

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Glaciers such as the Yakutat in Southeast Alaska, shown here, have been melting since the end of the Little Ice Age, influencing earthquakes in the region. Credit: Sam Herreid
Earthquake

Melting glaciers contribute to Alaska earthquakes

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