Scientists Discover a 4-Billion-Year-Old Ancient Piece of Earth’s Crust Underneath Western Australia - SciTechDaily

Lasers pave the path for finding ancient crust. Curtin University researchers have discovered evidence of an approximately four billion-year-old piece of the Earth's crust that exists beneath the South-West of Western Australia by using lasers smaller than a …

The earth is composed of three main layers: the crust, the mantle, and the core. Lasers pave the path for finding ancient crust. Curtin University researchers have discovered evidence of an approxi… [+2785 chars]

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