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- So the dark mica in this granite should be called biotite. 那么,在這塊花崗巖中的黑色云母類(lèi)礦物就應當叫做黑云母了。
- Jaspilite and altered phyllite are the main ore types. 主要礦石類(lèi)型有含鐵碧玉巖型和蝕變千枚巖型。
- The REE of breccia biotite schist represents feature of oceanic tholeiite. 角礫狀黑云母片巖的REE具有洋脊拉斑玄武巖特征；
- The biotite adamellite is the main metallogenetic rock body in the orefield. 晉寧晚期的巖漿活動(dòng)強烈,黑云二長(cháng)花崗巖是礦區主要成礦巖體。
- The types of mineralized rocks are fine grained biotite gneiss and silicalites. 礦化類(lèi)型為含金黑云變粒巖型、含金硅質(zhì)巖型。
- Biotite is a subordinate constituent of the mafic and ultramafic rocks generally. 黑云母一般是鎂鐵質(zhì)及超鎂鐵質(zhì)巖石中的次要成分。
- Early Yanshanian intrusions are mainly adamellite,biotite K-feldspar granite with small amount of granodiorite. 燕山早期侵入巖以二長(cháng)花崗巖、黑云鉀長(cháng)花崗巖為主,其次為花崗閃長(cháng)巖。
- The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite, two-mica alkali feldspar granite and biotite adamellite. 彭山巖體是由白云母堿長(cháng)花崗巖、云母堿長(cháng)花崗巖和黑云母二長(cháng)花崗巖組成的鈣堿性花崗復式巖體。
- The top is composed of banded biotite adamellite bearing more enclaves of Taishan group rocks. 億年前后形成的條帶狀黑云母二長(cháng)花崗巖,含有較多的泰山巖群包體,小揉皺構造發(fā)育。
- The wall is, also here, commonly talcose, and the beds of phyllite are cut and dragged by the movements. 墻壁,這里也是,一般是滑石化的,千枚巖層被運動(dòng)所切割、拖曳。
- The association of albite-bearing silicolites, phyllite and limestone seems to be an important prospecting indicator. 含鈉長(cháng)石硅質(zhì)巖、千枚巖、灰巖組合是找礦評價(jià)的重要標志。
- Both the core and the mantle have inclusions of biotite, hornblende, quartz and plagioclase. 內核和外殼中均發(fā)育石英、斜長(cháng)石、黑云母、角閃石等礦物的包裹體 ;
- The Shangzhuang apatite deposit is a low-grade apatite deposit associated with Fe,vermiculitizated biotite and REE. 上莊磷礦為一大型低品位磷灰石礦床,伴生有益組分有鐵、蛭石化黑云母及稀土元素。
- Ore-forming materials of galena are from country rocks,that is biotite schist and garnet biotite schist. 形成方鉛礦的成礦物質(zhì)主要來(lái)源于圍巖,即荊山群黑云母片巖和石榴石黑云母片巖等。
- Yinshan lead-zinc deposit lies in the Presinian strata.Theore-bodies occur in phyllite,are controlled by fault. 銀山鉛鋅礦床產(chǎn)于前震旦系地層中，容礦圍巖主要為千枚巖，礦體呈脈狀受構造裂隙控制。
- Yinshan lead zinc deposit lies in the Presinian strata.The ore bodies occur in phyllite,are controlled by fault. 銀山鉛鋅礦床產(chǎn)于前震旦系地層中,容礦圍巖主要為千枚巖,礦體呈脈狀受構造裂隙控制。
- Veiws evidently intercalate into the biotite granulite of the Boluotai Formation of the Zhuzhangzi Group. 花崗斑巖主要由鉀長(cháng)石、石英、更長(cháng)石及黑云母組成。
- This landslide is mainly composed of Sinian limestone and Cambrian carbon slate and phyllite. 該滑坡體主要由震旦系灰巖和寒武系炭質(zhì)板巖、千枚巖構成。
- The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands. 本礦區的帶狀片麻巖照例富含云母，黑云母的多少決定片麻巖條帶的色調。
- The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite,two-mica alkali feldspar granite and biotite adamellite. 彭山巖體是由白云母堿長(cháng)花崗巖、二云母堿長(cháng)花崗巖和黑云母二長(cháng)花崗巖組成的鈣堿性花崗復式巖體。
