Tuesday, May 24, 2022
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Geology Page

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Rapid erosion of supermountains released large amounts of nutrients, which were eventually carried into the oceans. Photo: Peter Campbell
mountain

Supermountains controlled the evolution of life on Earth

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Fault zone with broken rock inside stippled lines and faulting directions of each rock segment outlined by half arrows. Photo credit: Henrik Drake. Illustration: Mikael Tillberg.
Fault

How fault lines in a kitchen sink are changing what we...

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Earth
Earth

Scientists identify geological ‘Goldilocks zone’ for the formation of metal ore...

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A 250-million-year-old fossil of a marine snail shell in pristine condition. The shell was one of the thousands examined in the study. Scale bar = 100 µm. Credit: William Foster et al.
Fossils

Fossil snail shells offer new tool for analyzing ancient ocean chemistry

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Taken by the Himawari 8 satellite, this red-filter visible image of a volcanic eruption in Tonga was taken on 15 January 2022 at 04:50 (UTC) 5:50 PM (Tonga Local Time). This volcanic eruption produced a 3.9 foot (1.2 meter) tsunami which struck Nukuʻalofa, the capital of Tonga. The volcano also triggered tsunamis across the Pacific Ocean affecting countries and territories like Fiji, Samoa, Wallis and Futuna, Vanuatu, New Zealand, Australia, Japan, Russia, the United States, Canada, Mexico, Chile and Ecuador, and explosions and the shockwave from the eruption could be heard as far as Alaska and Canada. Also visible in this image is the remnants of Tropical Cyclone Cody to the southwest. Credit: Japan Meteorological Agency/NASA SPoRT. CC BY 4.0
Volcanoes

Tonga eruption is one for the record books

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Researchers used thermochronometric data from four North American locations to determine the cause of the “Great Unconformity”—a massive loss of rock about 700 million years ago. Credit: Kalin McDannell
plate tectonics

New research strengthens link between glaciers and Earth’s ‘Great Unconformity’

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Paleontologist Dean Lomax with the fossilized ichthyosaur. (Matthew Power Photography/Anglian Water)
Fossils

The World’s Largest Sea Dragon Unearthed in The UK

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Natural History Museum of Los Angeles County (NHM) Dinosaur Institute volunteer Viji Shook lying next to the skull of Cymbospondylus youngorum for scale, during the preparation of the specimen. Photo by Martin Sander, courtesy of the Natural History Museum of Los Angeles County (NHM).
Fossils

Earth’s first known giant creature

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Methane

Can diamonds originate methane?

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Igánâq, Greenland: view to the southwest from the Igánâq summit (~540m) towards Tunulliarfik and the snowy peaks of Ilímaussaq. Credit: University of St Andrews
Mineral Researches

New tools to unearth rare metals

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Vectiraptor greeni, a new fierce predatory dinosaur from the Isle of Wight. Image credit: Megan Jacobs
Fossils

An ancient relative of Velociraptor is unearthed in Great Britain

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Original artwork from scientific illustrator Emiliano Troco depicting a Brontosaurus (likely the most famous sauropod dinosaur) acting as an ecosystem engineer in a warm and vegetated landscape not dissimilar to modern-day savannah type biomes.
Dinosaur

Sauropod dinosaurs were restricted to warmer regions of Earth

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The aftermath of a 2010 tsunami in Chile, which was analyzed in a new study in JGR Solid Earth. Earlier warnings made possible by the study of tsunami-generated magnetic fields could better prepare coastal areas for impending disasters. Credit: International Federation of Red Cross and Red Crescent Societies
tsunami

Tsunamis’ magnetic fields are detectable before sea level change

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On September 29, 2009, a tsunami caused substantial damage and loss of life in American Samoa, Samoa, and Tonga. The tsunami was generated by a large earthquake in the Southern Pacific Ocean. Credit: NOAA
Earthquake

Earthquake depth impacts potential tsunami threat

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Stick-slip events in the earth cause damage like this, but limited data from these relatively rare earthquakes makes them difficult to model with machine learning. Transfer learning may provide a path to understanding when such deep faults slip. Credit: Dreamstime
Earthquake

Using sparse data to predict lab earthquakes

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The asteroid belt between Jupiter and Mars is the main source of extraterrestrial material that lands on Earth. (Illustration: ESA/ATG Medialab)
Meteorites

Size doesn’t matter: Rock composition determines how deadly a meteorite impact...

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Life reconstruction of a close-to-hatching oviraptorosaur dinosaur embryo, based on the new specimen “Baby Yingliang.” Credit: Lida Xing
Dinosaur

Exquisitely preserved embryo found inside fossilized dinosaur egg

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germinating fossil pine cone
Fossils

A first in fossil research: Seeds sprouting from an amber-encased pine...

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“In the shallows near shore, Tetrapodophis amplectus glides through a tangle of branches from the conifer Duartenia araripensis that have fallen into the water, sharing this habitat with a water bug in the family Belostomatidae and small fish (Dastilbe sp.).” Image credit: Julius Csotonyi
Fossils

Paleontologists debunk fossil thought to be missing link between lizards and...

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Map showing the Great Basin drainage basin as defined hydrologically. (Image credit: Kmusser/Wikimedia Commons)
Volcanoes

Sierra Nevada range should celebrate two birthdays

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