biotite是什么意思？

biotite

英['baɪətaɪt] 美['baɪətaɪt]

• n. 黑云母；

例句

• Veiws evidently intercalate into biotite granulite of the Boluotai Formation of the Zhuzhangzi Group. 花岗斑岩主要由钾长石、石英、更长石及黑云母组成.
• The types of mineralized rocks are fine grained biotite gneiss and silicalites. 矿化类型为含金黑云变粒岩型、含金硅质岩型.
• So the dark mica in this granite should be called biotite. 那么.在这块花岗岩中的黑色云母类矿物就应当叫做黑云母了.
• Weiya complex, eastern Tianshan: Single - sourced or diverse - sourced ? -- Evidence from biotite. 东天山尾亚杂岩体: 同源还是异源? -- 来自黑云母的证据.
• Biotite is a subordinate constituent of the mafic and ultramafic rocks generally. 黑云母一般是镁铁质及超镁铁质岩石中的次要成分.
• Early Yanshanian intrusions are mainly adamellite, biotite K feldspar granite with small amount of granodiorite. 燕山早期侵入岩以二长花岗岩 、 黑云钾长花岗岩为主,其次为花岗闪长岩.

英英词典释义

• Noun
  1. dark brown to black mica found in igneous and metamorphic rock

行业词典

• 冶金学： 黑云母；
  地质学： 黑云母；