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- The zircons (sample No. F103) from biotite plagioclase gneiss of the Lower Fuping Group yield an up intercept age of 2 484 Ma and a concordia age of 2 332 Ma, interpreted as crystallization and anatexis timing, respectively. 结果前者得到 1) ( 2 4 84± 37)Ma不一致线上交点年龄 ,被认为是阜平片麻岩深成结晶年龄 ;
- The U-Pb Isotopic Dating Age of Single Zircon from Biotite Plagioclase Gneiss in the Qinggele Area, Alashan, Western Inner Mongolia 内蒙古阿拉善庆格勒图黑云斜长片麻岩的单颗粒锆石U-Pb法年龄
- biotite plagioclase gneiss 黑云斜长片麻岩
- Archean metamorphic rock, mainly by amphibolite facies of the plagioclase biotite gneiss, amphibolite plagioclase gneiss, biotite change granulite and plagioclase amphibolite, and other components. 太古宙变质岩石,主要由属于角闪岩相的黑云斜长片麻岩、角闪斜长片麻岩、黑云变粒岩和斜长角闪岩等组成。
- The Dashankeng gneiss located in the northeastern Dabie mountains is composed mainly of potassium feldspar, plagioclase and quartz with minor hornblende, biotite and allanite, belonging to monzonitic granitic in composition. 北大别东部大山坑片麻岩主要由钾长石、长石和石英组成,少量角闪石、云母和褐帘石,成分为二长花岗质。
- Also found in the belt are phlogopite tremolite schist, biotite (-bearing) plagioclase amphibolite, dioritic gneiss, meta-quartz dioritic rock, fine-grained trondhjemite, adamellite, pegmatitic vein. 此外还有金云母透闪石岩、(含)黑云斜长角闪岩、闪长质片麻岩、变石英闪长质岩石、细粒奥长花岗岩、二长花岗岩、伟晶岩脉等。
- plagioclase gneiss 斜长片麻岩
- 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。
- Both the core and the mantle have inclusions of biotite, hornblende, quartz and plagioclase. 内核和外壳中均发育石英、斜长石、黑云母、角闪石等矿物的包裹体 ;
- Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals. 造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。
- Gneiss is called bastard granite. 片麻岩叫作粗花岗岩。
- U-Pb dating of zircon from gneiss at Nanhuang in East Anhui. 皖东南黄片麻岩的锆石U-Pb年龄。
- The Late Archaean Fuping Group of the Xiaojue region in Pingshan County, Hebei Province contains three main metamorphic rock types, i.e. K felspar leucoleptite, semipelitic biotite leptite and biotite gneiss, and hornblendic rocks. 河北平山小觉地区晚太古代阜平群含有三种主要表壳岩性质的变质岩类,即钾长浅粒岩类,黑云变粒岩-片麻岩类和角闪质岩石类。
- 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。
- Lunar Ferroan Anorthosite #60025 (Plagioclase Feldspar). 月球铁方解钙长石,编号60025 (斜长石)。
- Its main mineral components are K-feldspar, plagioclase and quartz. 主要矿物成份为钾长石、斜长石和石英。
- A chiefly amphibole rock with minor plagioclase and little quartz. 角闪岩主要由角闪石、少量斜长石和石英组成的岩石
- Gneiss, a metamorphic rock, can be commonly found in Precambrian areas. 片麻岩,一种变质岩,通常在前寒武纪地层中出现。
- A gray, fine - grained volcanic rock, chiefly plagioclase and feldspar. 安山岩一种灰色的,纹理细密的火山岩,主要是斜长石和似长石
- The REE of breccia biotite schist represents feature of oceanic tholeiite. 角砾状黑云母片岩的REE具有洋脊拉斑玄武岩特征;