A U-series Calculator for magmatic systems.
Welcome to UserCalc version 2.0. A web-based Uranium series calculator based on the models of Spiegelman and Elliott, 1993. A full description of the model and a rationale for this web-site can be found in the PDF document here. The remainder of this page will provide enough background and hints on the use of this web-site to get started exploring the wide range of behaviour inherent in this model.