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变质火山岩、火山碎屑岩的绿片岩相成岩格子可用阳起石—黑云母—方解石—绿泥石—绿帘石—白云母六相三元系和钠长石—阳起石—黑云母—方解石—绿泥石—绿帘石六相三元系成岩格子来表示,石英往往为过剩组分。在只讨论两个强度相同的变量前提下,每个六相三元系的成岩格子都只可能有一对成对的成岩格子,且这对成岩格子的非封闭双变区的分区相同、分区之间的边界斜率相同、相应的单变线的排列顺序也相同,因此,六相三元系的每个成岩格子中的不变点数、单变线数、和双变区数之间的关系可用数学式来表示。
Metamorphic volcanic rocks, volcanic clastic greenschist facies diagenetic plagioclase can be used Yang-stone - biotite - calcite - chlorite - epidote - muscovite six-phase ternary and albite - Yang stone - biotite - Calcite - chlorite - green curtain six-phase ternary diagenetic lattice to indicate that quartz is often excess components. Only two pairs of diagenetic trellis in each six-phase ternary system are possible only when two variables with the same intensity are discussed. Only two paired diagenetic lattices in the diagenetic lattice are the same. Therefore, the relationship between the invariant points, the number of univariate lines and the number of bilaterally variable regions in each diagenetic lattice of a six-phase ternary system is made available Mathematical formula to express.