A similar procedure exists in seawater, where by 44Ca/40Ca tends to increase when the rate of removal of Ca2+ by mineral precipitation exceeds the input of recent calcium in to the ocean. In 1997, Skulan and DePaolo introduced the 1st evidence of alter in seawater 44Ca/40Ca more than geologic time, https://cashlyhpj.blogzag.com/72586551/examine-this-report-on-environmental-hazardous-materials-in-santa-ana