sanidine

K-feldspar is higher in Or content , and assigned to K - sanidine showing Or > > Ab > > An .

钾长石具有高Or含量，显示Or>>Ab>>An，属钾透长石。

In sanidine , after heating at 1050 ℃ for 1300 hrs , the relative intensities of T_1 and T_ 2 lines changed .

透长石在1050℃加热1300h后，T1和T2线的相对强度发生了变化。

The results show that the TL signals of pumice and sanidine phenocryst have better thermal-stability , so they can be used for TL dating .

结果表明，浮岩和透长石的TL信号具有良好的热稳定性，适用于TL测年。

Crystals of albite and sanidine were heated under hydrothermal conditions at 1 kbar between 500 and 900 ℃ and under dry conditions at 1050 ℃, respectively .

低温钠长石和透长石晶体分别在水热，1kbar，500&900℃和干加热，1050℃条件下加热。

In order to determine the time sequence of recent eruption in Tianchi volcano , the TL thermal-stability has been investigated for pumice and sanidine phenocryst within the volcanics .

为厘定天池火山近代喷发的时序，对碱流岩中的浮岩和透长石斑晶进行了热释光（TL）信号热稳定性研究。

Studies on Gyirong Basin Pliocene sediments showed that the nest composition of the sediments were smectite , kaolinite , chlorite , illite , sanidine , quartz , calcite and less gypsum .

对吉隆盆地中上新世沉积物的研究表明，沉积物的矿物成分主要由黏土矿物伊利石、高岭石、绿泥石、蒙脱石以及长石、石英、方解石及少量的石膏等组成。

K feldspars from other rock types are likely sanidine , orthoclase or microclines that show greater variations in chemical compositions and are characterized by lower content of K-2O but higher contents of Na-2O , CaO and BaO .

其他岩石类型中的钾长石的化学成分和结果状态变化很大，可以从透长石、正长石到微斜长石，其特征为K2O的含量相对较低，但Na2O、CaO和BaO的含量相对较高。

The heavy liquid separation with temperature changing has been applied to separate minerals of muscovite , biotite , sanidine and quartz to obtain several fractions with respect to specific gravity difference . All of them were dated by conventional Rb-Sr isochron method .

报道了应用重液变温分离法分离白云母、黑云母、透长石和石英等单矿物，进行铷锶等时线年龄测定的研究结果。