Oldest Known Rocks On Earth Discovered: 4.28 Billion Years Old
Thursday, September 25, 2008 - 20:28
in Earth & Climate
The discovery of rocks as old as 4.28 billion years pushes back age of most ancient remnant of Earth's crust by 300 million years. Researchers have discovered the oldest rocks on Earth -- a discovery which sheds more light on our planet's mysterious beginnings. These rocks, known as "faux-amphibolites," may be remnants of a portion of Earth's primordial crust -- the first crust that formed at the surface of our planet.
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