Table 2 Assumed average carbonate solubilities in 1 m NaCl aqueous solution as a function of depth.

From: Deep carbon cycle constrained by carbonate solubility

Mineral

0–100 km (400 °C)

100–150 km (800 °C)

150–230 km (1000 °C)

Calcite/aragonite

0.2

6

12

Dolomite

0.02

0.6

1.2

Magnesite

0.005

0.15

0.3

  1. Average temperatures refer to the top sections of slabs72, where carbonate minerals concentrate. All solubility values are in m.
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