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Extreme Life and Environments
Antarctica perchlorates
12/22/10

 

Digging for perchlorates. Andrew Jackson sampled soils to measure the concentration of perchlorate at various depths. The texture and composition of the soil, which changes with depth, tells us about the movement of water in the soil. This indicates what layer he should sample to get the largest amount of perchlorates. Credit: M. Marinova

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