单词：volcanics
volcanics的用法和样例：
例句
- The different origin leads to different metallogenic characteristics of metal minerals associated with the volcanics.由于两类火山岩的成因不同，与它们相关的金属矿产成矿特征也有明显的差异。
- The Xjangshan uranium orefield is the largest volcanics type uranium orefield in China.相山铀矿田是我国最大的火山岩型铀矿田。
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