白云母

40Ar/39Ar dating of detrital white mica from Cenozoic sediments from the Qaidam Basin in western China yielded several age groups, including: 1 350～450 Ma, 2 220～280 Ma, 3 122～140 Ma, and 4 ~500 Ma.

摘 要：对柴达木盆地新生代沉积物的碎屑白云母40Ar/39Ar年龄测试获得4组年龄峰值：1） 350～450 Ma； 2 220～280 Ma； 3 122～140 Ma； 4 ~500 Ma。

Only the muscovite-chlorite geothermometer is applicable to the measurements of the formation temperatures of low-temperature mylonites.

只有白云母-绿泥石地质温度计适用于低温糜棱岩的形成温度测定。

According to the consistent geothermometer and manometer of the assemblage of garnet-plagioclase-biotite-muscovite-quartz, the peak temperature and pressure are estimated as: T=580℃~670℃, P=0.4 GPa~0.5GPa.

据石榴石－斜长石－黑云母－白云母－石英组合内部一致地质温压计估算出峰期温度－压力：T=580℃~670℃，P=0.4GPa~0.5GPa。

The large tantalum niobium tungsten ore pertains to the fine-grained granite deposit of albite muscovite. The useful minerals mainly consist of wolframite and scheelite, and a small number of tantalum niobite, fine spar, tantalum aeschynite, beryl, and bismuth, etc.

该大型钽铌钨矿为细粒钠长石化白云母花岗岩矿床，主要有用矿物为黑钨矿、白钨矿及少量的钽铌铁矿、细晶石、钽易解石、绿柱石和辉铋矿等。

The correlation analysis demonstrates that the hydroxyl content of omphacite is correlated positively with the MgO, TFeO and Al2O3 contents, and negatively with the Na2O content of the whole rock and the Na2O and TFeO contents of omphacite, but is not related with the peak metamorphic conditions.

相关性分析显示，绿辉石的结构水含量与全岩的Mgo、TFeO、Al2O3，含量成正相关，与NaO成反相关，与绿辉石的NaO、TFeO含量成负相关，与榴辉岩的峰期变质条件无关；与其它类型榴辉岩相比，多硅白云母榴辉岩中绿辉石的结构水含量较高，平均为339ppm。

The primary beryl crystals were crystallized early from the pegmatitic magma in association with rock forming minerals such as quartz, muscovite, albite and spodumene.

原生绿柱石形成于早期岩浆阶段，与造岩矿物石英、白云母、钠长石、锂辉石共生。

The absorption spectrum center wavelength of dolomite is near 232 μm is shorter than 235 μm of limestone,and thus RBD7 and RBD8 can be employed effectively to identify dolomite and limestone,respectively. Felsic rocks show AlOH and Fe3+ absorption characteristics in the VNIRSWIR region,while the maficultramafic rocks show Fe2+ and Fe,MgOH absorption features,hence the use of different valence state of iron and secondary minerals can distinguish them:ASTER band2/band1 represent Fe3+ distribution,ASTER band2/band1 represent the Fe2+ distribution,RBD6 can estimate the AlOH mineral abundance. Psammitic/pelitic schist containing phengite,chlorite,stilpnomelane,as well as the weathered surface covered by clay minerals,exist characteristic absorption spectrum in the 221 μm(band 6),and has a high reflectance in 165 μm(band 4),while the blueschist/greenschist show high reflectance in the 221 μm(band 6),and it exit low reflectance in 165 μm(band 4),and blueschist/greenschist appear low ASTER band4/band6 ratio.

白云岩的CO2-3吸收谱带中心波长位于232〖KG*3〗μm，与灰岩的CO2-3 吸收谱带中心波长位置235 μm相比，具有向短波长方向移动的特点，据此可以利用RBD7、RBD8分别有效的识别白云岩和灰岩；长英质岩石显示AlOH和Fe3+ VNIRSWIR吸收特征，而基性超基性岩石显示Fe2+和Fe、MgOH特征，利用不同的铁价态和次要矿物可以区分它们：ASTER band2/band1代表了含Fe3+矿物分布信息、ASTER band5/band4代表了含Fe2+矿物分布信息、RBD6可以估计AlOH矿物的丰度；砂质/泥质片岩含较多的多硅白云母、绿泥石、黑硬绿泥石以及风化后表面覆盖的其它粘土矿物，在221 μm（band 6）存在有特征的吸收谱带，并且在165 μm（band 4）具有较高的反射率，而蓝片/绿片岩在221 μm（band 6）反射率较高，不具有明显特征吸收谱带，同时其在165 μm（band 4）反射率较低，因此蓝片/绿片岩ASTER band4/band6 比值低。

Within the diamond anvil cell, the Raman spectroscopic study of phengite was developed at room temperature and under various pressures from 1 atmp to 20 GPa.

在金刚石压腔中，通过原位拉曼光谱研究了多硅白云母在常温高压下的稳定性。

Thise granitic gneisses also lack those typical texture that can reflect had undergone UHP metamorphism which are common in paragneisses ,such as biotite reaction rim of phengite.

同时花岗片麻岩中缺少副片麻岩中常见的一些能反映经历过超高压变质作用的特征性结构，如多硅白云母周围的黑云母反应边结构。

The mode of OH- band and the intensity decrease linearly with the increase of pressure, i.e., y=-0.3402 x+3617.8 and R2=0.9662, and the mode disappears at 18 GPa, which is assumed to be the maximum pressure for the dehydration of phengite at room temperature.

羟基3618cm^-1谱峰则随压力增加向低频方向移动，谱峰的降低与压力的增加呈明显的线性关系变化（y=-0.3402X＋3617.8，R^2=0.9662），并且强度随着压力的增加也在逐渐减弱，在压力达18GPa时开始消失，推测该压力可能为多硅白云母在常温下脱羟基的极限压力。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。