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Zircon Crystals of the mineral zircon are tiny time-capsules that record the age of many events in Earth’s history. Dating zircon crystals like this was one of the two methods used to calculate the age of the Hiawatha impact crater. Illustration: Gavin Kenny, Swedish Museum of Natural History.

Giant impact crater in Greenland occurred a few million years after dinosaurs went extinct

Geology Page - March 13, 2022

Maps of the Siljan impact structure and study locations. a Map of Sweden with the Siljan area indicated. b Geological map of the Siljan impact structure with locations of the cored boreholes and the quarry sampled for mineral coatings indicated, along with the sedimentary units in the crater depression, towns, lakes (white) and roads (black lines). Gas compositions exist from boreholes VM2 and VM5 (located adjacent to VM2). Credit: Nature Communications, 2019

Europe’s largest meteorite crater home to deep ancient life

Where have all the craters gone?

Map of the bedrock topography beneath the ice sheet and the ice-free land surrounding the Hiawatha impact crater.

Huge Crater Discovered in Greenland

Dino-killing crater shows clues about Ice Age sea level

Few, if any, big impact craters remain to be discovered on...

Geology Page - June 18, 2014

Crater discovery’s impact echoes still today

Geology Page - May 24, 2014

10 Biggest Impact Craters on Earth

Geology Page - May 9, 2017

The deep origin of craters and mounds was discovered using cutting edge 3D seismic technology which can penetrate deep into the ocean floor, and help scientists visualize the structures in the hard bedrock underneath. Illustration: M. Waage

New study reveals cracks beneath giant, methane gushing craters

Geology Page - June 6, 2020

Where have all the craters gone?

Geology Page - May 28, 2014

The 21 shocked and unshocked zircon crystals dated in this study were separated from this ~30 cubic centimeters of unconsolidated late Eocene sediment obtained from Ocean Drilling Project site 1073, hole A. Credit: Biren/ASU

Researchers study largest impact crater in the US, buried for 35...

Geology Page - August 14, 2019

Impact illustration. Credit: Victor Leshyk

It was microbial mayhem in the Chicxulub crater, research suggests

Geology Page - January 20, 2020

An orthophoto of Wolfe Creek Crater. An orthophoto is an aerial photograph that has been geometrically corrected so that the scale is uniform and the photo has the same lack of distortion as a map. Credit: University of Wollongong

New study reveals secrets of Wolfe Creek Crater

Geology Page - November 21, 2019

Globally unique double crater identified in Sweden

Geology Page - September 11, 2015

Drone images of craters formed at Sheep Mountain. Credit: Kent Sundell, Casper College.

Secondary cratering on Earth: The Wyoming impact crater field

Geology Page - February 18, 2022

Zircon Crystals of the mineral zircon are tiny time-capsules that record the age of many events in Earth’s history. Dating zircon crystals like this was one of the two methods used to calculate the age of the Hiawatha impact crater. Illustration: Gavin Kenny, Swedish Museum of Natural History.

Giant impact crater in Greenland occurred a few million years after...

Geology Page - March 13, 2022

Comet craters — literal melting pots for life on Earth

Geology Page - May 5, 2016

Dino-killing crater shows clues about Ice Age sea level

Geology Page - November 24, 2016

Vredefort Dome, Free State, South Africa. Credit: NASA

Vredefort crater : The Largest Verified Impact Crater on Earth

Geology Page - October 23, 2019

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Fossil and life reconstruction of Juravenator, a small carnivorous dinosaur from the Jurassic of Germany. The arrow points to the sensory organ, which are found on polygonal scales covering the lower part of the tail. Credit: Jake Baardse.

Carnivorous dinosaur had crocodile-like senses

This new map of Earth’s stress field in the Permian Basin of West Texas and southeastern New Mexico could help energy companies avoid causing earthquakes associated with oil extraction. Credit: Jens-Erik Lund Snee

Seismic stress map profiles induced earthquake risk for West Texas, New...

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