Photo 24 Aug 87 notes rhamphotheca:

Discovery: Earth’s Oldest Crater Is Largest Too
by Douglas Main
A study of Greenland’s rocks may have turned up something unexpected: the oldest and largest meteorite crater ever found on Earth.
Researchers think the crater was formed 3 billion years ago, making it the oldest ever found, said Danish researcher Adam Garde. The impact crater currently measures about 62 miles (100 kilometers) from one side to another. But before it eroded, it was likely more than 310 miles (500 km) wide, which would make it the biggest on Earth, Garde told OurAmazingPlanet.
The team has calculated it was caused by a meteorite 19 miles (30 km) wide, which, if it hit Earth today, would wipe out all higher life…
(read more: OurAmazingPlanet)      (image: Carsten Egestal Thuesen, GEUS)

rhamphotheca:

Discovery: Earth’s Oldest Crater Is Largest Too

by Douglas Main

A study of Greenland’s rocks may have turned up something unexpected: the oldest and largest meteorite crater ever found on Earth.

Researchers think the crater was formed 3 billion years ago, making it the oldest ever found, said Danish researcher Adam Garde. The impact crater currently measures about 62 miles (100 kilometers) from one side to another. But before it eroded, it was likely more than 310 miles (500 km) wide, which would make it the biggest on Earth, Garde told OurAmazingPlanet.

The team has calculated it was caused by a meteorite 19 miles (30 km) wide, which, if it hit Earth today, would wipe out all higher life…

(read more: OurAmazingPlanet)      (image: Carsten Egestal Thuesen, GEUS)

via fauna.

#meteor #space #catastrophe #earth #prehistoric #geology

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    Earth’s Oldest Crater Is Largest Too
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    More reason to believe in science….
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