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At 4.4 Billion Years Old, Oz Crystals Confirmed As World's Oldest
Zircon crystals found in sandstone of an Australian sheep ranch are so tiny that you'd need a magnifying glass to see them. But recent measurements confirm they offer our earliest glimpse of Earth.
Zircon crystals found in sandstone of an Australian sheep ranch are so tiny that you'd need a magnifying glass to see them. But recent measurements confirm they offer our earliest glimpse of Earth.
Source: NPR
Posted on: Monday, Feb 24, 2014, 7:59am
Views: 1096
Posted on: Monday, Feb 24, 2014, 7:59am
Views: 1096
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