硅質脈石 的英文怎麼說

中文拼音 [guīzhímàidàn]
硅質脈石 英文
siliceous gangue
  • : 名詞[化學] silicon (14號元素符號 si)
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  1. The southern hainan mafic dykes are strongly enriched in lile with high nb / ta ratios, indicating a magma source reconstructed by silicic - melt through partial melting of ancient subducted slides. however, the northern hainan mafic dykes with chondritic nb / ta ratio should be derived from the fiuid - metasomatized mantle related to ancient subduction zone

    瓊南基性巖強烈富k _ 2o等lile和具有較高nb ta比值,其地幔源區應受到了古俯沖板片部分熔融形成的熔體的改造;而瓊中基性巖的nb ta比值接近於球粒隕和morb值,應為古俯沖帶含水流體交代的地幔源區的產物。
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