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impact crater News

Largest impact crater in the U.S. was buried for 35 million years

About 35 million years ago, an asteroid hit the ocean off the East Coast of North America. Its impact formed a 25-mile diameter crater that now lies buried beneath the Chesapeake Bay, an estuary in Virginia and Maryland.

Asteroid impact crater found off the coast of Scotland

The location of an ancient impact crater made by the biggest asteroid ever to hit Britain has been traced to a spot under the sea between mainland Scotland and the Outer Hebrides.

The impact crater that destroyed many species discovered

Port Stanley - According to researchers from New York University, a basin in the Falkland Islands shows traits of a large impact crater. This could be the largest ever recorded on the planet and the one responsible for wiping out most of the life on Earth.

A new type of impact crater found on Mars

Denver - Nadine Barlow, professor of physics and astronomy at Northern Arizona University, has found a new type of impact crater on Mars — the Low-Aspect-Ratio Layered Ejecta (LARLE) Craters. She presented her findings at Denver's Division for Planetary Science
 

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Photo: NASA/JPL-Caltech/MSSS/UA
Photo: NASA/JPL-Caltech/MSSS/UA
University of Arizona
Dymer Creek  Chesapeake Bay in December 2011.
Dymer Creek, Chesapeake Bay in December 2011.
David Broad (CC BY 3.0)
A close-up picture of spherules known as accretionary lapilli that form in the impact plume cloud  a...
A close-up picture of spherules known as accretionary lapilli that form in the impact plume cloud, and found in the deposit.
Dr. Ken Amor
The location of the crater in Chesapeake Bay. It is now completely covered by younger sediments  but...
The location of the crater in Chesapeake Bay. It is now completely covered by younger sediments, but was discovered in the early 1990s by marine geophysical surveys and subsequent drilling. It is the largest known impact crater in the U.S. and the 15th-largest on Earth.
Powars et al. 2015, Christoph Kersten / GEOMAR
Researchers have found clear traces of the impact and dated them for the first time using the uraniu...
Researchers have found clear traces of the impact and dated them for the first time using the uranium-thorium-helium technique. ODP 1073 on the map refers to the ocean drilling project site where the sample material for this study was collected.
GEBCO world map 2014

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