变中酸性火山岩属于低钾—钾质钙碱性系列；
The meta-intermediate-acidic volcanic rocks are of low-K — K calcalkali series.
钾质高低及变化可反映岩石演化程度和钾交代作用。
K2O content and variation reflect the evolution of the rock and K-metasomatism.
三种火山岩均属钾质钙碱性系列，岩石化学成分显示为同源岩浆产物。
The three volcanics are of kalium alkaline series, with their chemical elements showing the same magma origin.
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