An analogous process exists in seawater, exactly where 44Ca/40Ca has a tendency to rise when the speed of removing of Ca2+ by mineral precipitation exceeds the input of new calcium into the ocean. In 1997, Skulan and DePaolo offered the first proof of transform in seawater 44Ca/40Ca above geologic time, https://grading-plans-in-compton11098.arwebo.com/51265648/not-known-details-about-cad-drawings-in-irvine