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Pe trologists, both at home and abroad have spent a lot of time on the classification of pyroclastic rocks, and successively put forward the classification of pyroclasts, the petrographic and the petrogenetic classification of pyroclasic rocks. |
中文意思: 长期以来,火山碎屑岩的分类研究受到了国内外学者的重视,先后提出了火山碎屑物、火山碎屑岩岩性和火山碎屑岩成因分类。 |
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