Silicate carbon sink (SCS) is the net carbon sink that affects the global carbon cycle over a period of millions of years or more (Tao et al., 2011). On the geological time scale, there is a negative feedback mechanism which includes rock weathering, increased CO 2 concentrations, and subsequent environmental changes (Maher & Chamberlain, 2014). Rising CO 2 concentrations leads to periods of global warming, which in turn promote rock weathering, absorbing more CO 2 (
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