Modification Effect of Rare Earth Rich In Ce On Al-Si Alloy;
富铈混合稀土对Al-Si合金的变质作用
Experiment showed that the addition of a small quatity of Ho has the significant effect of modification on as-cast Al-25 wt％ Si alloy.
结果表明:少量稀土Ho对Al-Si合金组织有明显的变质作用,当Ho量达到1。
On the other hand,under favorable structural condition and metamorphic process,copper mineralized zone is further enriched,which has an operation significance in looking for ore-body around the mine and extending the service life of the mine.
通过对篦子沟铜矿床的地质条件进行分析研究,指出篦子沟矿床的形成,一方面受到地层岩性和沉积岩相的控制;另一方面,在构造有利的条件下,经受变质作用改造,使铜矿化进一步富集,这对在矿区外围查找矿体,并延长矿山寿命,具有重要的现实意义。
According to distinctive minerals for metamorphic process, it can be pided into three zones: biotite zone, garnet zone, staurolite zone.
由于片岩中含有大量黑云母和石榴石,这为利用石榴石、黑云母探讨变质作用的温度压力条件提供了方便,利用矿物温度压力计得到的温度为500～600℃,压力约0。
Metamorphism, geochemistry and U-Pb zircon SHRIMP geochronology of the high-pressure granulites in the central Greater Himalayas.;
喜马拉雅中段高压麻粒岩变质作用、地球化学与年代学
The metamorphism and granitic features of the north Himalayas and their comparision with that of the high Himalayan belt REN Liudong;
北喜马拉雅变质作用和花岗岩研究及其与高喜马拉雅结晶岩系的对比
On the eclogite facies metamorphism in the Dabie Mountains;
关于大别山榴辉岩相变质作用
Discussion of the relationship between coal metamorphism and the Late Mesozoic basalt in Rujigou Area;
汝箕沟晚中生代玄武岩的确定与煤变质作用关系简论
There are some complex genetic types for coal metamorphism of Late Paleozoic coals in the south of North China.
在分析造成华北地区南部晚古生代煤变质分带性的地质因素基础上,阐述了煤变质成因与区域构造格局演化的密切联系;从古地热异常形成机制出发,着重讨论了地下水热液对煤变质作用的影响,建立了煤的地下水效液变质作用地质模式;用古地热-煤变质系统的概念,根据热源、载热体和通道、聚热体3个要素的配置,分析了煤变质成因。
For the purpose of studying the stability of phengites geobarometry in retrograde metamorphism.
因而,经历了富流体活动的退变质作用后,岩石中的多硅白云母残斑已不能完全保存其形成时的压力信息。
The main mineral assemblage of the garnet-amphibolite from the first part in CCSD-PP2 is amphibole, garnet, biotite and albite, which resulted from retrograde metamorphism.
镜下鉴定和激光拉曼测试结果表明预先导孔(CCSD-PP2)第一段榴闪岩的主要矿物为角闪石、石榴石、黑云母和钠长石,是榴辉岩退变质作用的产物。
A geochemical study of elemental migration from granulite-facies rocks to amphibolite-facies rocks during retrograde metamorphism has been carried out through the analyses both of petrochemical data for whole rocks and electronic microprobe data for essential minerals (e.
利用川西麻粒岩的全岩化学组成与岩石中特征矿物的化学性质 ,研究了麻粒岩退变质作用的元素迁移。
To be changed or transformed by or as if by metamorphosis or metamorphism.
变质由于或似因为变形、变质作用而改变或变形
Polymetamorphism,polyphase metamorphism and metamorphic p-T-t paths
多期变质作用、多相变质作用与变质作用p-T-t轨迹
The process of change from any previously existing rocks into metamorphic rocks is called metamorphism.
将原来岩石改变成为变质岩的这种作用称之为变质作用。
The process of alternating solid rock masses is called metamorphism.
固体岩体变换的过程即所谓变质作用。
Changed in structure or composition as a result of metamorphism. Used of rock.
变质的因变质作用而导致的结构变化或成分变化。用于指岩石
(geology) changed in constitution or structure or composition by metamorphism.
（地质学）因变质作用在构造、结构或组成上改变的。
Evolution of Metamorphism of Archean Jianping Metamorphic Complex from the Western Liaoning Province
辽西太古代“建平变质杂岩”的变质作用演化
Metamorphism of Indosinian Metamorphic Enclaves in the Tongbai Complex,Central China
桐柏杂岩中印支期变质岩包体的变质作用
GEOLOGIC FEATURES AND METAMORPHISM OFTHE LATE ARCHEOZOIC HIGH-GRADE METAMOPHIC REGIONIN THE LIUHE AREA,JILIN PROVINCE
柳河地区晚太古代高级变质区地质特征及变质作用
Study on Effects-modification of RE Carbonatefor Al-Si Alloy
碳酸稀土对铝硅合金变质作用的研究
A study of rare earth to modified acting in KS1275;
稀土对KS1275合金变质作用的研究
Metamorphism of mafic granulites in the Grove Mountains, East Antarctica
东南极格罗夫山镁铁质麻粒岩的变质作用
Metamorphism of Al Rich Gneisses in Taihang Mountain Archean Metamorphic Complex
太行山太古宙变质杂岩中富铝片麻岩的变质作用
The CALEDONIAN METAMORPHISM AND METAMORPHIC FACIES SERIES DIVISION OF MIDDLE PROTEROZOIC GROUP STRATA IN NORTH WEST OF FUJIAN PROVINCE
闽西北中元古界地层加里东变质作用和变质相系划分
THE CHARACTERISTICS OF THE EARLY PRECAMBRIAN METAMORPHIC PROTOLITH FORMATION,THEIR METAMORPHISM AND EVOLUTION IN CENTRAL SOUTHERN INNER MONGOLIA,CHINA
内蒙古中南部早前寒武系变质岩原岩建造和变质作用特征
Phanerozoic Metamorphism of Precambrian Metamorphic Basement in Southwestern Zhejiang;
浙西南前寒武纪变质基底岩系显生宙变质作用研究
Characteristic of the Metamorphic Rock and the Metamorphic Function of Precambrian, in Alatanaobao Region, Western of Inner Mongolia;
内蒙古西部阿拉腾敖包地区早前寒武纪变质岩及变质作用
penecontemporaneous replacement
准同期变质交代作用