風成砂礦 的英文怎麼說
中文拼音 [fēngchéngshākuàng]
風成砂礦
英文
eolian placer-
There are three genetic types of mineral deposits in the beiya ore district : cu - au polymetallic deposits related to alkaline porphyries, comprising porphyritic cu - au deposits and polymetallic skarn deposits related to quartz - albite porphyry and quartz - k - feldspar porphyry ; fe - au deposits related to gabbro or basalt magma, consisting of magmatic fe - au deposits and sedimentary polymetallic deposits formed in caves and lakes ; and palaeo - placers formed at the weathering surface, in lakes and in karsts
北衙金礦有3種成因不同的礦床：與堿性斑巖有關的銅金多金屬礦，包括與石英鈉長斑巖和石英正長斑巖有關的斑巖型銅金礦床和矽卡巖型多金屬礦床；與輝長玄武巖漿有關的鐵金礦床，包括熔漿型鐵金礦床和噴流沉積型多金屬礦床，後者又有洞穴和湖相沉積環境之分；及古砂礦，有古風化殼型砂礦、河湖相古砂礦和洞穴沉積古砂礦。It is radial and fan - shaped which make use of flowing adhesive to make the lamellae of abrasive - cloth adhered. it is appiled in the factory, mining industry and decoration industry
帶柄頁輪選用樹脂砂布成小塊粘合成圓盤，可裝在電動、風動工具上打磨復雜彎接處，廣泛用於廠礦及裝飾行業。
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