变质岩

Au-rich magma intruded along the crust faults ascendingly. The gold deposits were formed in 145 Ma transitional period from compression to extension, corresponding to the period of large-scale delamination of the lithosphere.

在区域挤压应力背景下，深大断裂的多次活动导致色洛河群变质岩系中金的活化，富金的岩浆热液沿壳断裂上侵。

An angular unconformable contact was for the first time found between the Middle Jurassic Bathonian Stage and its underlying pre-Ordovician metamorphosed basement in the Chawola district, in Nyainrong County.

摘要在聂荣县查吾拉区一带首次发现中侏罗统巴通阶与下伏前奥陶系基底变质岩系之间呈角度不整合接触。

This work concentrated on Zr geochemistry of gabbro minerals, high-pressure and retrograde minerals in eclogites in the Dabie orogen. We observed that the clinopyroxene in protolith gabbro is the major Zr-bearing mineral and the titanite has high Zr contents also.

通过大别山超高压变质岩的原岩矿物、榴辉岩中高压矿物和退变质矿物的Zr的地球化学研究，发现辉长岩中辉石是主要富Zr矿物相，副矿物榍石具有较高的Zr含量。

This work concentrated on Zr geochemistry of gabbro minerals, high-pressure and retrograde minerals in eclogites in the Dabie orogen. We observed that the clinopyroxene in protolith gabbro is the major Zr-bearing mineral and the titanite has high Zr contents also.

中文摘要：通过大别山超高压变质岩的原岩矿物、榴辉岩中高压矿物和退变质矿物的Zr的地球化学研究，发现辉长岩中辉石是主要富Zr矿物相，副矿物榍石具有较高的Zr含量。

The surface composition of the rock, in addition to a large area north of the dolomite, dolomitic limestone, sandstone and shale, the most for the light metamorphic rocks.

地表组成岩石，除北部有较大面积的白云岩、白云质灰岩、砂页岩外，大部为轻变质岩。

Although several geotectonic models concerning the formation and exhumation of ultrahigh - pressure rocks have been proposed, the mechanism for exhumation of high-and ultrahigh-pres-sure rocks is still a focus in the investigation of continental erogenic dynamics.

尽管许多地质学家提出了不同的超高压变质岩石形成与折返模式，但高压、超高压变质岩折返与剥露机制仍是大陆造山带动力学研究中的热点和焦点问题。

A banded or foliated metamorphic rock, usually of the same composition as granite.

片麻岩层状或叶片状变质岩，成分通常与花岗岩相同

A banded or foliated metamorphic rock, usually of the same composit as granite.

片麻岩层状或叶片状变质岩，成分通常与花岗岩相同

In recent years,results of studies by transimission electron microscopy,have shown that garnets occurring in different types of metamorphic rocks have undergone different degrees of plastic deformation.

最近几年，大量的TEM研究结果证实，各类变质岩中的石榴石均发生不同程度的塑性变形。

Lately, natural observations and experimental measurements demonstrate that Zr contents in rutile change linearly with temperature and thus can be used as a geothermometer for high-grade metamorphic rock.

最近的自然观察和实验测定发现，金红石中的Zr含量与温度之间存在线性关系，因此能够用于变质岩测温。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。