Volcanic caves mainly are lava tube type?pyrodastic type cave and volcanic-intrusive cave,with different genetic mechanism and high value of tourism.
英
美
- 火山洞穴主要是指火山熔岩型洞穴,除此之外,还有构造-差异风化洞穴和火山侵入岩崩塌堆叠型洞穴。