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A·里特曼创立的计算火成岩稳定矿物组合新系统,受到国际上同行的替遍重视和肯定。但是,由于该方法的计算系统远比已有的其他计算方法复杂,手算耗时大,且易出差错,从而影响了这一方法的推广使用。为了提高里特曼法的计算效率,笔者于1985年在S—09多终端微处理机上田Basic语言编制了A·更特曼火成岩稳定矿物组合的电算程序,并为生产与科研处理了一批岩石化学成分数据。最近又根据用户要求。为节省内存,对程序中长石诺模图作了进一步优化,现将火山相部分作一报道,以便该方法在功能和内存较小的微机上推广。
A. The new system for calculating igneous rock stable mineral assemblages created by R. Littman has been widely valued and affirmed by international counterparts. However, since this method is far more complicated than any other existing calculation methods, it takes a lot of time and errors, and thus affects the popularization and application of this method. In order to improve the computational efficiency of the Lettman method, the author in 1985 S-09 multi-terminal microprocessor Ueda Basic language compiled A · more Terman igneous stable mineral combination of the computer program, and for the production and research processing a Batch petrographic composition data. Recently, according to user requirements. In order to save the memory, the program has been further optimized for feldspar nomogram, volcano phase is now reported as a part of the so that the method in the function and memory of the smaller computer to promote.