Important information is missing from this article or section. Help Wikipedia by researching and pasting it .
This article or the following section is not adequately provided with supporting documents ( e.g. individual evidence ). Information without sufficient evidence could be removed soon. Please help Wikipedia by researching the information and including good evidence.
The Nernst distribution coefficient Kd (Nernst distribution coefficient) in geology is the ratio of the concentration of the element Y in the mineral (m) to that of the concentration in the liquid (l):