火成巖屑物 的英文怎麼說
中文拼音 [huǒchéngyánxièwù]
火成巖屑物
英文
pyroclastics- 火 : fire
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 屑 : Ⅰ名詞(碎末) bits; scraps; crumbs Ⅱ形容詞(瑣碎) trifling Ⅲ動詞(認為值得) think sth. worth doing
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
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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
長期以來,火山碎屑巖的分類研究受到了國內外學者的重視,先後提出了火山碎屑物、火山碎屑巖巖性和火山碎屑巖成因分類。Abstract : to the principle and project that tu guangazhi proposed in 1990, the gold ore deposits in qinling ( shaanxi ) may be classified into fouowing types : archean high - grade gneiss type, fine grained fragmental rock - carbonate rock - silicilith type, metamorphic fragmental rock type, volcanic rock type, explosive breccia type, intrusive rock exo - and endo - contact zone type. inthis paper, the geological characteristics, metallogenic geological setting, the source of ore - forming materials, digenic mechanism and metallogenetic epoch of gold ore deposits are also discussed
文摘:參照塗光熾先生( 1990 )提出的礦床類型劃分原則與金礦分類方案,將陜西秦嶺地區原生金礦劃分為太古界綠巖建造型、細碎屑巖-碳酸鹽巖-硅質巖建造型、變質碎屑巖型、火山巖建造型、隱爆角礫巖型和侵入巖內外接觸型金礦,並對各類型金礦的地質特徵、成礦地質背景、成礦物質來源、礦床形成機制及形成時代等問題進行了論述和討論。
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