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Tiny zircon crystals clue to volcanic super-eruptions

Australia could have been home to some of Earth's largest ever volcanic eruptions more than 100 million years ago.
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Oldest Piece Of Earth Ever Found

US Politics / Liberal : Alan Colmes' Liberaland

It’s a 4.4 billion year-old zircon crystal. Scientists using two different age-determining techniques have shown that a tiny zircon crystal found on a sheep ranch in western Australia dates back to 4.4 billion years ago. “This is th...

Crystal found in Australia confirmed as oldest known piece of the Earth

News : The Rundown News Blog

At 4.4 billion years old, a tiny zircon crystal about twice the size of a human hair is the oldest known piece of the Earth’s crust. Found on a sheep ranch in western Australia over a dozen years ago, the findings about the speck su...

Zircon crystal found in Australia suggests life appeared on Earth 4.1 billion years ago: researchers

News : The Raw Story

An ancient zircon crystal unearthed in Western Australia may hold evidence that life appeared on the planet 4.1 billion years ago, or about 300 million years earlier than previously thought, according to a team of U.S. researchers. ...

Tiny zircons suggest life on Earth started earlier than we thought, UCLA researchers say

Issues & Causes / Environmentalism : Greenspace

Los Angeles may be a city obsessed with youth, but it is also home to the world's largest collection of Hadean zircons — the oldest known material on Earth. Hadean zircons are tiny — about the same width as a strand of hair — but th...

The climatic toll of volcanic eruptions

Issues & Causes / Environmentalism : Physorg: Earth

Volcanic eruptions over the last 1,000 years have exacted a heavy influence on global climate, according to a new study led by researchers at the University at Albany. The impact is felt most dramatically near the equator, where eru...

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