高压变质作用

高压超高压变质作用中的流体高压静电除尘实验研究

FLUIDS IN HIGH PRESSURE AND ULTRA HIGH PRESSURE METAMORPHISM Experimental study on control factors of influence on electrostatic precipitator efficiency

苏鲁造山带超高压变质作用及其P-T-t轨迹

Ultrahigh-pressure metamorphic P-T-t path of the Sulu orogenic belt , eastern central China

其中陆块碰撞带岩石圈根可能深达200余千米或更深，俯冲的陆壳岩石曾深达约100km，并发生超高压变质作用。

The thickest part was more than 200 km , where the crust subducted 100 km or more and underwent UHP metamorphism .

名义上无水矿物（NAMs）的结构水研究是认识超高压变质作用（UHPM）过程中流体活动规律的重要手段，并对板块汇聚边缘大陆动力学及水的深部地球循环有重要意义。

The research of structural water in nominally anhydrous minerals ( NAMs ) is significant for understand of the fluid flow activity in ultra-high pressure metamorphism , the geodynamics in convergent continental margins and the water recycling in mantle .

浑圆状锆石核部SHRIMPU-Pb谐和年龄为620Ma和219Ma，这表明该石英闪长斑岩的母岩浆可能起源于经历了超高压变质作用改造的华南地块基底物质的部分熔融。

SHRIMP U-Pb concordia ages of the cores of rounded zircons are 620 and 219 Ma , suggesting that the parental magma for the quartz diorite porphyry may have been derived from partial melting of basement materials of the South China block that had been modified by ultrahigh-pressure metamorphism .

假定超高压变质作用发生于228Ma，推算出闪长玢岩侵位前超高压变质岩的折返速率大致为3.63mm/a，闪长玢岩侵位后超高压变质岩的折返（剥蚀）速率大致为0.03mm/a。

Assuming that the UHP metamorphism occurred at 228 Ma , the exhumation ( uplift ) rate of UHP metamorphic rocks are estimated at approximately 3.63 mm / a before diorite-porphyrite intrusion and approximately 0.03 mm / a after diorite-porphyrite intrusion respectively .

超高压变质作用及大陆深俯冲&地球科学前沿述评

Ultrahigh pressure metamorphism and continental deep subduction : review on frontiers of geosciences

与澜沧变质带遭受蓝片岩相高压变质作用的事实相吻合。

This conclusion is consistent with the blueschist rock outcrops in this metamorphic belt .

陆-陆点碰撞与超高压变质作用

On Continent-Continent Point - Collision and Ultrahigh-Pressure Metamorphism

它们经历了超高压变质作用和随后的角闪岩相退变质作用。

PHASE AND ITS SIGNIFICANCE These rocks have experienced UHP metamorphism and later amphibolite-facies retrogression .

榴辉岩的主体围岩是长英质片麻岩，它与榴辉岩不是相同高压变质作用的产物。

Both the eclogite and the felsic gneiss have not undergone the same high-pressure metamorphic event .

超高压变质作用压力模型的思考

A pressure model for ultrahigh-pressure metamorphism

超高压变质作用浅谈填料密封

Packing seal ultra-high-pressure metamorphism

目前，部分学者推断榴辉岩绿辉石中石英出溶体可作为超高压变质作用的标志。

At present , some of scholars suggest that the quartz exsolution in omphacite of eclogite is the evidence of UHP metamorphism .

在近古陆边缘的蛇绿混杂带中，多期构造变形和高压变质作用较常见。

Poly - deformation and highpressure metamorphism are common in these ophiolitic mel - ange belts near margins of the ancient continents .

中央碰撞造山带中两期超高压变质作用来自含柯石英锆石的定年证据

Two Ultrahigh Pressure Metamorphic Events Recognized in the Central Orogenic Belt of China : Evidence from the U-Pb Dating of Coesite-bearing Zircons

通过细致的矿物学研究，确认低密度的陆壳岩石可以被俯冲到地下200多公里深处，经历超高压变质作用；

Mineralogical evidences indicate that the continental crust rocks with low density could subduct down to depth of > 200 km and undergo UHPM ;

大陆深俯冲以及由此引发的陆壳岩石超高压变质作用，是最近二十余年来固体地球科学领域的研究热点。

Continental deep subduction and related ultra-high pressure metamorphism has been the highlight field in the earth science research in the recent two decades .

作为榴辉岩相的早期共生矿物，它们的出现证明该区榴辉岩经历了超高压变质作用。

As the early coexisting mineral of eclogite facies , the occurrence of these mineral indicates that the eclogites in this district underwent ultrahigh pressure metamorphism .

长英质浅成侵入岩体研究与白银地区地质找矿前景榴辉岩的主体围岩是长英质片麻岩，它与榴辉岩不是相同高压变质作用的产物。

Felsic Hypabyssal Intrusive Body and Deposit Prospecting in Baiyin Area Both the eclogite and the felsic gneiss have not undergone the same high-pressure metamorphic event .

中期是地块的最终固结阶段，在此期间发生了褶皱变形，是高压变质作用的初期阶段；

The middle stage witnesses final consolidation of the massifs , their participation in fold deformations , which coincide with the initial stages of high P metamorphism .

部分熔融过程发生于鲜水河断裂早期活动的剪切熔融过程，岩浆作用之前可能发生过强烈挤压而产生了高压变质作用。

The partial melting was probably produced with early shear inching process of Xianshuihe fault belt , also occurred strong compression before the magmatism to produce the high-pressure metamorphism .

高温超高压变质作用的研究与探讨地球内（深）部组成和结构相关，一直是地质学家关注的前沿问题。

The high temperature UHP metamorphism or metamorphism in the Earth deep interior is related to the study of mantle structure and materials , which will continue to be a frontier of the solid earth sciences .

低温超高压变质作用与大洋板块的冷俯冲作用有关，其研究对于探讨俯冲带水流体的循环和地幔水流体的成因具有重要意义；

Because the low temperature UHP metamorphism was caused by cold oceanic plate subduction , studies of the low temperature UHP metamorphism is of great significance for the understanding of the H_2O cycle in subduction zones and the origin of fluids in the mantle .

金红石高-超高压变质成矿作用的几个问题

Some questions of high-pressure and super high pressure metamorphic ore formation of rutile

变质作用过程可分为三个阶段：拉张环境中的中低压细碧岩化变质作用→挤压造山环境的中高压区域变质作用→局部地区的高压蓝闪石绿片岩相变质作用。

The whole process of metamorphism can be divided into three parts : spilitization metamorphism of mid low pressure in extension situation → regional metamorphism of mid high pressure in compressional structure → metamorphism of high pressure glaucophane greenschist facies in partial areas .

南大别山超高压岩区变质作用的P-T-t研究&兼论花岗片麻岩与超高压变质岩的关系

Study on P-T-t of metamorphism in ultrahigh-pressure belt of Southern Dable Mountain : and discuss the relationship of granitic gneisses and UHP rocks

大别造山带加里东期高压超高压变质作用的确定及其意义

Determination and significance of Caledonian high-pressure and ultrahigh-pressure metamorphism in Dabie orogen

在高压超高压变质作用过程中所释放的流体对俯冲板块的演化起着重要作用，与岛弧岩浆活动有着直接联系。

Fluid released during the high pressure and ultrahigh pressure metamorphism plays an important role in the evolution of subducted slab and may connect directly with igneous activity in island arcs .

结合熊店榴辉岩样品具有类似于MORB的微量元素特征和εNd值（450Ma时为+6.56），说明该古生代年龄应代表古生代洋壳和岛弧物质俯冲经高压-超高压变质作用的产物。

Together with the MORB like trace element characteristics and ε Nd ( + 6.56 at 450 Ma ), the age suggests an early Paleozoic high and ultrahigh pressure metamorphic event probably related to the subduction of oceanic crust and associated arc materials .