Author: contact.geology

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Greenland’s mega tsunamis: First direct observation of the trapped waves that shook the world

TSUNAMIS
In September 2023, a bizarre global seismic signal was observed which appeared every 90 seconds over nine days—and was then repeated a month later....

Subantarctic Mode Waters traced to distinct origins in Indian and Pacific oceans

EARTH
In the southern flanks of the Indian Ocean and the central and eastern Pacific, just north of the Antarctic Circumpolar Current, lie the Subantarctic...

Scientists find new markers to identify species from fragments of fossilized bone

PALEONTOLOGY
What happened to all the megafauna? From moas to mammoths, many large animals went extinct between 50 and 10,000 years ago. Learning why could...

Unveiling the birth of star cluster groups in the Milky Way

ASTRONOMY
A study published in Astronomy & Astrophysics has identified four previously unknown primordial open cluster (OC) groups in the Milky Way. Open clusters, loose assemblies...

Why forests aren’t coming back after gold mining in the Amazon

EARTH
Forests in the Peruvian Amazon aren't growing back after gold mining—not just because the soil is damaged by toxic metals, but because the land...

How Switzerland’s Birch glacier collapsed

EARTH
A cascade of events in the Swiss Alps led to the dramatic collapse of the Birch glacier, wiping out Blatten village in the valley...

Ancient Patagonian fossil sperm whale may have been active predator, reanalysis indicates

PALEONTOLOGY
A recent study, published in Papers in Palaeontology, discusses the reanalysis of the only known Idiorophus patagonicus specimen. After a nearly 130-year scientific slumber, the...

Bedrock analysis reveals evidence for lost mountains from Antarctica’s past

OCEANOGRAPHY
A new study led by University of Wisconsin-Oshkosh geologist Timothy Paulsen and University of Colorado Boulder thermochronologist Jeff Benowitz advances the understanding of the...

Tracing the genetic trails of Colombia’s early hunter-gatherers who disappeared completely

EARTH
People coming from the north settled South America. The first hunter-gatherers entered the continent from the region of what is Colombia today and then...

Birds nested alongside dinosaurs in the Arctic: Fossil find pushes polar nesting record back by 25 million years

PALEONTOLOGY
Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young. The same was...

How Greenland’s glacial troughs influence ocean circulation

EARTH
The Atlantic Meridional Overturning Circulation (AMOC) serves as the Atlantic Ocean's conveyor belt, transporting warm water north toward the Arctic Circle and returning cold,...

Long shot science leads to revised age for land-animal ancestor

PALEONTOLOGY
In 1984, an amateur paleontologist in Scotland found a remarkable specimen: a nearly complete fossil of what looked to be a lizard or salamander....
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