biotite

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.

The ore-forming material came from biotite-granite of Hangou.

成矿物质来自韩沟黑云母花岗岩体.

The talc-schist, talcmarble and biotite-schist are the most favourable hosting rocks to mineralization.

最有利于矿化的围岩是富镁的滑石片岩 、 含 滑石片 岩、含滑石大理岩和黑云母片岩等.

The main gold-carrying minerals are pyrite , chalcopyrite and telluride. The best gold-carrying rock is the biotite-schist.

主要的载金矿物有黄铜矿、黄铁矿 、 叶碲铋矿, 含金性最好的岩石类型为只云母钠长片岩.

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.

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.

The Shangzhuang apatite deposit is a low-grade apatite deposit associated with Fe, vermiculitizated biotite and REE.

上庄磷矿为一大型 低品位 磷灰石矿床,伴生有益组分有铁 、 蛭石化黑云母及稀土元素.

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。

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。

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.

Ore-forming materials of galena are from country rocks , that is biotite schist and garnet biotite schist.

形成方铅矿的成矿物质主要来源于围岩, 即荆山群黑云母片岩和石榴石黑云母片岩等.