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Figure 4

Soil profile TR6. (a) Proportion of Ca, Sr, K and Na remaining after weathering and dissolution according to soil depth; (b) 87Sr/86Sr isotopic ratio of granite, bulk soil and roots according to depth.
Soil profile TR6. (a) Proportion of Ca, Sr, K and Na remaining after weathering and dissolution according to soil depth; (b) 87Sr/86Sr isotopic ratio of granite, bulk soil and roots according to depth.