1) skarn deposits
夕卡岩矿床
1.
Being an important industrial type of mineral deposits, skarn deposits serve as the main sources of such metallic and nonmetallic ores in the world as high_grade iron ore, tungsten, tin, bismuth, zinc_lead, gold, phlogopite, diopside, and wollastonite.
夕卡岩矿床是一种具有重要工业意义的矿床类型 ,是世界上富铁矿、钨、锡、铋、铅锌、金和金云母、透辉石、硅灰石等金属和非金属矿产的重要来源。
2.
Based on 130 analyses of amphiboles from 21 skarn deposits in China, the authors have studied their types, optical properties, composition characteristics, and parageneses.
文章综合分析研究了中国 2 1个夕卡岩矿床中的 1 30个角闪石的成分分析数据。
2) skarn type of copper deposit
夕卡岩型铜矿床
3) skarn deposit
夕卡岩型矿床
1.
Recent study shows that the skarn deposit not only occurs in the contact between the intermediate-acidic intrusion and carbonate rocks but also in the contact of the basic intrusion or in the distal strata;not only hosted by the carbonate rocks but also by the active volcanic sedimentary rocks,such as the volcanic sedimentary tuff.
近年来的研究发现,夕卡岩型矿床不仅仅发生在中酸性岩体与碳酸盐岩类的接触带上,在基性岩体的接触带上或者远离接触带的地层中也可以形成夕卡岩,成矿围岩也突破了碳酸盐岩类岩石的限制,在火山沉积凝灰岩等较活泼的火山沉积岩中也可以形成夕卡岩和夕卡岩型矿床;这类型的矿床大多数与陆壳俯冲带中的岩浆弧有关,其成矿温度以中低温为主,成矿深度从浅表成到中深成的环境为主,深成环境不利于夕卡岩的形成;夕卡岩型矿床的成矿物质以深源为主,部分可能有地壳物质的混入;而成矿流体的不同演化阶段表现出一定的差异,早期以岩浆水占优势为特征,并向天水方向演化,晚期主要以天水占优势为特征。
4) silver skarn deposits
夕卡岩银矿床
5) Au bearing skarn deposits
含金夕卡岩矿床
1.
Au bearing skarn deposits are distributed mainly in the Circum Pacific metallogenic belt.
近十几年来，含金夕卡岩矿床的勘查与研究在国内外取得了很大的进展，发现了一批大型矿床，从而引人注目。
6) megnesium skarn deposit
镁夕卡岩矿床
1.
Gold-bearing megnesium skarn deposit is very rare in the world.
世界上含金镁夕卡岩矿床十分罕见。
补充资料：夕币
1.聘问前夕，展视礼物。
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参考词条