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- So the dark mica in this granite should be called biotite. 那麼,在這塊花崗岩中的黑色雲母類礦物就應當叫做黑雲母了。
- Jaspilite and altered phyllite are the main ore types. 主要礦石類型有含鐵碧玉岩型和蝕變千枚岩型。
- The REE of breccia biotite schist represents feature of oceanic tholeiite. 角礫狀黑雲母片岩的REE具有洋脊拉斑玄武岩特徵；
- The biotite adamellite is the main metallogenetic rock body in the orefield. 晉寧晚期的岩漿活動強烈,黑雲二長花崗岩是礦區主要成礦岩體。
- The types of mineralized rocks are fine grained biotite gneiss and silicalites. 礦化類型為含金黑雲變粒岩型、含金硅質岩型。
- Biotite is a subordinate constituent of the mafic and ultramafic rocks generally. 黑雲母一般是鎂鐵質及超鎂鐵質岩石中的次要成分。
- Early Yanshanian intrusions are mainly adamellite,biotite K-feldspar granite with small amount of granodiorite. 燕山早期侵入岩以二長花崗岩、黑雲鉀長花崗岩為主,其次為花崗閃長岩。
- The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite, two-mica alkali feldspar granite and biotite adamellite. 彭山岩體是由白雲母鹼長花崗岩、雲母鹼長花崗岩和黑雲母二長花崗岩組成的鈣鹼性花崗複式岩體。
- The top is composed of banded biotite adamellite bearing more enclaves of Taishan group rocks. 億年前後形成的條帶狀黑雲母二長花崗岩,含有較多的泰山岩群包體,小揉皺構造發育。
- The wall is, also here, commonly talcose, and the beds of phyllite are cut and dragged by the movements. 牆壁,這裡也是,一般是滑石化的,千枚岩層被運動所切割、拖曳。
- The association of albite-bearing silicolites, phyllite and limestone seems to be an important prospecting indicator. 含鈉長石硅質岩、千枚岩、灰岩組合是找礦評價的重要標誌。
- Both the core and the mantle have inclusions of biotite, hornblende, quartz and plagioclase. 內核和外殼中均發育石英、斜長石、黑雲母、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. 上庄磷礦為一大型低品位磷灰石礦床,伴生有益組分有鐵、蛭石化黑雲母及稀土元素。
- 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主要來源於圍岩,即荊山群黑雲母片岩和石榴石黑雲母片岩等。
- Yinshan lead-zinc deposit lies in the Presinian strata.Theore-bodies occur in phyllite,are controlled by fault. 銀山鉛鋅礦床產於前震旦系地層中，容礦圍岩主要為千枚岩，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. 銀山鉛鋅礦床產於前震旦系地層中,容礦圍岩主要為千枚岩,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. 花崗斑岩主要由鉀長石、石英、更長石及黑雲母組成。
- 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岩和寒武系炭質板岩、千枚岩構成。
- The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands. 本礦區的帶狀片麻岩照例富含雲母，黑雲母的多少決定片麻岩條帶的色調。
- The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite,two-mica alkali feldspar granite and biotite adamellite. 彭山岩體是由白雲母鹼長花崗岩、二雲母鹼長花崗岩和黑雲母二長花崗岩組成的鈣鹼性花崗複式岩體。
