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Based on isotopic ages and the cycle of magamtism, the ages of Yanbian granites can be subdivided into five periods:①late Permian granites (260-245Ma), the typical plutons are Liukesong and Liangbing plutons, and the main rock type include diorite-monzonitic-K syenogranites;②Triassic granites (225-200Ma), the typical plutons are Sandaogou, Chunyang, Qishiergedingzi, Dahuanggou, Naozhi, and Qinglinzi plutons, the main rock type include quartz dioritesgranodiorites-monzonitic-alkali granites;③early Jurassic granites (190-180Ma), which composed of quartz diorites-granodiorites - monzonitic ,and the typical plutons are Shimen, Miantian, Daxinggou and Yushuchuan rock;④Middle-Late Jurassic (170-150Ma), which composed of granodiorites- monzonitic- garnet-bearing muscovite granites, the typical plutons are Huangniling, Weizigou, Loutuoshan and Dongqing rock;⑤early Cretaceous (about 130Ma), the typical pluton is Zhongping pluton, and its rock type is paulite diorite.

另外，根据同位素年龄和岩石组合并考虑到岩浆的旋回性，将延边显生宙花岗岩进一步划分为五个期次：1。晚二叠世(260-245Ma)，代表性岩体为六棵松和亮兵，主体岩性为辉石闪长岩、二长花岗岩和钾长花岗岩；2。三叠世(225-200Ma)，代表性岩体为三道沟、春阳、七十二个顶子、大荒沟、闹枝、青林子，岩石组合为石英闪长岩—花岗闪长岩—二长花岗岩—碱长花岗岩，以花岗闪长岩和二长花岗岩为主；3。早侏罗世(190-180Ma)，石英闪长岩—花岗闪长岩—二长花岗岩组合，主体岩性为花岗闪长岩，代表性岩体有石门、棉田、大兴沟、榆树川等；4。中侏罗世(170-150Ma)，主体岩性为花岗闪长岩和含石榴石花岗岩，代表性岩体有黄泥岭、苇子沟、骆驼山、东清5。

Among other things, paleovolcanic rocks at Shizuitang may be subdivided into olivine phenocryst-bearing basaltic komatiite and clinopyroxene phenocryst-bearing basaltic komatiite.

其中石咀塘古火山岩可进一步分为含橄榄石斑晶玄武质科马提岩和含单斜辉石斑晶玄武质科马提岩2种类型。

It can be subdivided into two phases of Plinian eruption, the first is named the Chifeng phase and the second the Yuanchi phase.

这次大爆发分为两次普林尼式喷发：第一次喷发称赤峰期，第二次喷发称园池期。

According to their forms and the stratigraphic facing, folds can be subdivided into anticlines and synclines.

P13 根据褶皱的形态和组成褶皱的地层面向，将褶皱进一步分为两种基本类型：背斜和向斜。

In china, according to sedimentary environment and deposition features, the main continental sedimentation includes alluvial facies, fluvial facies, lacustrine facies and delta facies, which can be subdivided into 15 sedimentary subfacies and 32 sedimentary microfacies.

我国主要陆相沉积相有冲积扇相、河流相、湖泊相、三角洲相，依据沉积环境和沉积特征，进一步可划分为15个亚相和32个微相。

Each type can be subdivided into several kinds: textural mixing deposits include rocks mainly composed of terrigenous components and rocks that mostly consist of intrabasinal composition.

每一类可以再细分为多种，其中结构混合包括①陆源组分为主的混积岩，②以内源组分为主的混积岩。

Further more, except the detachment-type fold in depression formation, the inversion structural styles can be subdivided into five types: reviving type, forward-expanding type, backward-expanding type, tyrannizing type and truncated type according to the mode of association of the thrust faults and the early normal faults.

进而将反转构造样式除坳陷层滑脱褶皱外，依据反转过程中形成的逆断层与早期伸展断层的组合关系归纳为五种类型：复活型、前展型、后展型、欺压型、截断型。

They can be subdivided into the categories of house keeping, auspiciousness, business thriving, and exorcising evil spirits and averting calamities, for example, the Kitchen God, the Threshing Ground God, the Barn Official, Lu Ban (legendary master carpenter of the Spring and Autumn Period), the King of Medicine, the Goddess of Happiness, and the Door God.

又可以再细分为居家、吉祥、兴业、辟邪消灾几类，如灶王、场神、仓官、鲁班、药王、喜神、门君等。

Families may be subdivided into subfamilies, tribes, and subtribes.

科可以被继续分为亚科、族及亚族。

Recent years with the development of molecular biology 14 kinds of 5-HT receptor subtypes have been cloned, which can be subdivided into seven subfamilies.

除5-HT_3受体亚型为配体门控离子通道受体外，其它5-HT受体均为具有七次跨膜结构的G蛋白耦联受体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。