The rapakivi granites have a number of petrological peculiarities.
环斑花岗岩具有若干岩石学的特征。
This paper briefly demonstrates that the muscovite(two-mica) granite is a petrological record of intracontinental subduction.
本文简要地论述了白云母（二云母）花岗岩是陆内俯冲的岩石学记录。
The petrological study shows that banded ore belongs to mylonite, which has abundant microstructure feature of plastic deformation.
岩石学研究表明条带状矿石属于糜棱岩，具有丰富的塑性变形显微构造特征。
This paper aims to analyze the stratigraphic and petrological characteristics, the palaeocurrent, and the clastic compositions of Xueshan Formation.
本文重点研究了雪山组的地层特征、古水流特征以及砂岩碎屑组分特征，在此基础上简单分析了其沉积相特征。
Two samples (9dg, 9dg-2) were dredged from Huangyan Seamount in 2005 and detail petrological, geochemical and chronological analyses were conducted.
对采自黄岩海山的两个火山岩样品(9dg, 9dg - 2)进行了岩石学、地球化学和年代学研究。
The results of Petrological Mixing Calcula-ting show that the mantle source rocks of the Jijie complex is obviously depleted in incompatible elements.
岩石学混合模拟计算表明，地幔源岩具有明显亏损特征；
The actual chemical make-up of rocks is complex, so the conventions of petrological analysis pretend that these metals are present in basalt as their oxides.
然而构成这种岩石的化学元素十分的复杂，因此根据常规的岩石分析得出出现在玄武岩里的金属都是其氧化产物。
Such petrological and geochemical zoning was caused by higher F and H2O contents of the magma, which facilitated fractional crystallization and fluid transfer.
上述岩性和地球化学分带是由于岩浆中较高的F和H_2O含量，促进了分离结晶和流体搬运的?。
The petrological and petrochemical characteristics indicate that the formation of these conglomerates was controlled by synsedimentary faults during the metallogenic e.
通过对该类砾岩岩石学和岩石化学研究，认为其形成受控于成矿期的同沉积断裂。
Paleontological and petrological characteristics and structural features of these formations are entirely identical to those of the Mino terrane of the Japanese Islands.
该地体的地层古生物、岩石以及构造特征完全与日本列岛的美浓地体相同。
Combining melt inclusion data with conventional petrological and geochemical information and experimental petrology can increase our ability to model magmatic processes.
将熔体包裹体数据和常规的岩石学、地球化学和实验岩石学信息综合一体，可以提高我们模拟岩浆作用过程的能力。
The petrological characteristic, main types and characteristics of sedimentary facies have been expounded in Cambrian strata. Then sedimentary facies models are established.
阐述了研究区内寒武系的岩石学特征及沉积相类型，并建立了相应的沉积相模式；
This study presents the petrological and mineralogical characteristics of granulite xenoliths from Cenozoic basalts in Nushan, Guizishan, Xilong and Qilin, Southeastern China.
本文报道了在中国东南地区女山、桂子山、西垄和麒麟等地新生代玄武岩中新发现的麻粒岩相捕虏体。
There is a closely retationship between the formation of gold deposit and the tectonics, stratigraphy, petrological character, intrusive rocks, Uolcanic rocks and ductile shear zone.
中酸性火山岩是本区主要成矿母岩，韧-脆性剪切带是金矿形成的重要导矿构造。
These retrograde micro-textures provide petrological evidence for rapid exhumation process and uplift of the high-grade metamorphic rocks such as eclogite in northern Dabie Mountains.
这些退变质结构为本区榴辉岩高级变质岩的快速折返过程和抬升历史提供了强有力的岩石学依据；
Many altered rocks in hydrothermal deposit have multiple precursors. The lithogeochemical heterogeneity in rocks are mainly due to measurement error, closure and petrological controls.
介绍了造成岩石地球化学不均匀性的原因，主要有测量误差、闭合问题及岩石学方面的控制等。
According to their petrological characteristics and relations with surrounding rocks, we can regard them as deep water carbonate rocks of the debris flow and turbidity current sediments.
据角砾灰岩的岩石学特征及其与围岩地层的组合关系，该角砾岩主要属岩屑流和浊流沉积的深水碳酸盐岩。
Their petrological and geochemical characters suggest that the host rock of the xenoliths is basanite, and the magma has not experienced obvious differentiation and assimilatory contamination.
岩石学和地球化学特征揭示包体寄主岩为碧玄岩，岩浆没有经历明显分异和同化混杂作用。
The inhomogeneous glossiness of stone polishing surface result from these factors such as mineral compositions, petrological structure and polishing process or process parameters has been analysed.
从岩石的矿物组成、结构和抛光工艺及参数等方面对石材抛光面光泽度不均匀问题进行了剖析。
The inhomogeneous glossiness of stone polishing surface result from these factors such as mineral compositions, petrological structure and polishing process or process parameters has been analysed.
从岩石的矿物组成、结构和抛光工艺及参数等方面对石材抛光面光泽度不均匀问题进行了剖析。
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