volcanic rock zone

基本解释

In fact, the volcanic rock zone is a fault subsidence basin zone in tectonic sense.
就构造意义而言，火山带实质上是断陷盆地带。
Kangur gold deposit is one of the altered rock types controlled by brittle duc tile shear zone located in Late Paleozoic volcanic rock area.
新疆康古尔金矿床是分布于晚古生代火山岩区受脆韧性剪切带控制的蚀变岩型金矿。
The intermediate-acid volcanic rock is the main metallogenic mother rock. the ductile-brittle shear zone is the important ore conducting structure for the formation of gold deposit.
中酸性火山岩是本区主要成矿母岩，韧-脆性剪切带是金矿形成的重要导矿构造。