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Archive Home > 2011 > November > 29 > A rare isotope helps track an ancient water source

A rare isotope helps track an ancient water source

By Felicity Barringer / The Bulletin
November 29, 2011

The Nubian Sandstone Aquifer System, the font of fabled oases in Egypt and Libya, stretches languidly across 770,000 square miles of northern Africa, a pointillist collection of underground pools of water migrating, ever so slowly, through rock and sand toward the Mediterranean Sea.

The aquifer....

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