Despite of this, the field geology and the character of pyroclastic rocks remain the basis of the petrogenesis of pyroclasic rocks.
Despite of this, the field geology and the character of pyroclastic rocks remain the basis of the petrogenesis of pyroclasic rocks.
尽管这样，野外地质和火山碎屑岩的岩性特徵，仍是火山碎屑岩成因研究的基础。