greisen

常見例句

• Tungsten mineralization types in Yaoling zone are divided into quartz vein,greisen,altered granite and placer.
  瑤嶺鎢礦帶鎢礦成因類型有石英脈(帶)型、云英巖型、蝕變花崗巖型和砂礦床。
• Although there are 60 tin-bearing greisen veins,only a few of them form the main ore bodies.
  共圈出含錫云英巖脈60余條,但主礦體卻只有少數(shù)幾條。
• The deposit types include the greisen type,altered granite type,fractured zone alteration type and greisen-quartz vein type.
  礦床類型包括云英巖體型、破碎帶蝕變巖型、變花崗巖型和云英巖-石英脈型等4類。
• The Dasongpo tin field is the typical representative of greisen tin deposit in west Yunnan,The orebodies are occurred as the vein group in NNW subordinate structural fractures.
  大松坡錫礦是滇西云英巖型錫礦的典型代表。礦體產(chǎn)于燕山晚期花崗巖體內(nèi)的次級NNW向構(gòu)造裂隙帶中,呈脈狀成群產(chǎn)出。
• In this paper is given an example of tabular cry stal of beryl from the Xubaodi ng greisen, which merits a study of IR and Raman spectra and comparisons with tw o prismatic crystal samples of beryl from Xuebaoding quartz vein and Altai pegma tite.
  對產(chǎn)于四川雪寶頂云英巖晶洞中的無色透明板狀綠柱石及產(chǎn)于雪寶頂蒲口坡石英脈中的綠柱石進(jìn)行了紅外和拉曼光譜分析 ,并與產(chǎn)于阿爾泰三號偉晶巖脈中的柱狀綠柱石進(jìn)行了比較。
• The tin orebodies dominated by greisen type and altered granite type are characterized by big thickness, strong alteration,medium tin grade and excellent metallurgical specialities.
  錫礦以云英巖體型、蝕變花崗巖型為主,具有礦體厚度大、蝕變強(qiáng)、品位中等、礦石利用性能好等特點。
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