1) mineral composite ratio
矿物组合比
2) mineral assemblage
矿物组合
1.
Features of platinum-group elements in different mineral assemblages in the Lower Cambrian black rock series in Hunan and Guizhou;
湘黔下寒武统黑色岩系不同矿物组合中的铂族元素特征
2.
When carbonates are dissolved by hydrothermal fluids, some mineral assemblages, typical of hydrothermal genesis, would precipitate from the hydrothermal fluids.
塔里木盆地二叠纪时发生了强烈的岩浆-火山作用,与之相关的热液流体沿着断裂、裂缝以及不整合面活动,并与所经碳酸盐岩围岩发生反应,使围岩发生不同程度的溶蚀改造,主要表现在:1热液溶蚀和热褪色现象显著;2沉淀生成多种热液矿物组合,如萤石-石英组合、闪锌矿-绿泥石-方解石组合,重晶石-石英-黄铁矿-菱铁矿组合等;3热液作用区域碳酸盐岩成分发生了明显的变化,主要表现为Fe、Mn、Si等元素含量的升高,比正常灰岩高出几倍至几十倍。
3.
According to analysis of metallic mineral assemblage,compositions and fluid inclusions,it is concluded that the metallic minerals were mainly formed in a high sulfur fugacity and reduced environment.
进一步通过金属矿物组合及其成分分析和流体包裹研究,推断乌兰乌珠尔铜矿的金属矿物主要是在高硫逸度较还原环境下形成的,其形成作用可划分为锡石-多金属和黄铜矿-多金属两个成矿阶段。
3) mineral combination
矿物组合
1.
Based on directions of palaeo-flow, mineral combination characteristic and REE characteristic in Ordos Basin, directions of palaeo-flow of the early Yanchang Formation comes from circum to center, and five source directions can be found, which are northeast, east, south, southwest and northwest directions.
通过对鄂尔多斯盆地晚三叠世早期古水流方向及沉积物扩散方向、轻重矿物组合特征及稀土元素地球化学特征等的分析,发现延长组沉积早期古水流方向明显具有从湖盆四周向中心汇聚的特征,并可从轻重矿物组合上可以划分出5个物源方向,即东北、东、南、西南和西北方向,其中东北、西南和西北物源是主要物源方向。
2.
The northern Guangdong is the most important large concentration uranium area with granite,in the summary of the characteristics of general mineralogy 、mineral combination、occurrence and causes,and in the research of ulrichile with detecting in north of Guangdong,it found that ulrichile often symbiotic with the deputy minerals of magnetite、ilmenite、pyrite、monazite、apatite、Xenotime and so on.
粤北地区是中国花岗岩型铀矿最为重要的大型矿集区,在开展花岗岩型晶质铀矿的一般矿物学特征、矿物组合特点、产状及成因等方面进行综述的基础上,粤北石人嶂钨矿晶质铀矿的检测研究,发现晶质铀矿经常与磁铁矿、钛铁矿、黄铁矿、独居石、错石、磷灰石、磷钇矿等副矿物共生。
4) mineral association
矿物组合
1.
Besides sapphire, zircon and almandine are produced in Minxi, Fujian, which form gem mineral association.
除蓝宝石之外，该矿床还产有锆石，镁铝榴石，形成一个有一定规模的宝石矿物组合。
2.
The paper presents distribution of nepheline syenites and their tectonic settings, rock assembladges, mineral associations and geochemisical characteristics, discusses the relationship between the minerological characteristics of main minerals and their host rock.
介绍了中国霞石正长岩的分布、产出的大地构造环境、岩体的岩石组合、岩石的地球化学和造岩矿物组合特征。
5) mineral paragenesis
矿物组合
1.
The gold occurrences were classified into seven mineralization types mainly according to their hostrock types,and then further divided into 16 subtypes in accordance with the characterizing elements and mineral paragenesis in ores.
文章在对康定─攀枝花地区金矿床（点）研究的基础上，以赋矿围岩类型作为分类的主要标志，同时结合矿床中的特征元素和矿物组合，将全区金矿床（点）划分为７大类１６亚类。
6) heavy mineral assemblage
重矿物组合
1.
Provenance analysis mainly includes comparison of debris compositions, heavy mineral assemblages, sedimentary facies, geochemical analysis, cathodoluminescence image of quartz and so on.
本课题研究区范围相对较大,受多方向物源供给的影响较大,因此,在确定白豹—华池地区长6油层组沉积时的物源区母岩性质和物源方向时,采用多种分析方法加以综合判别,其中以碎屑物成分和轻、重矿物组合比对及石英阴极发光分析技术为主要手段,得出研究区存在2个物源方向一是正北和北偏东方向的主物源方向,物源区母岩为位于鄂尔多斯盆地北部阴山古陆中低—中级变质岩与花岗岩组合的古老杂岩体;二是西南方向的次要物源方向,物源区母岩为位于鄂尔多斯盆地西南部崆峒山的下古生界地层。
2.
Based on study of the features of heavy mineral assemblage and the variation characteristics of stability factor of Jurassic in Bohu depression,this area was di-vided into several sedimentary zones and the parent rock properties and the rock types in each sedimentary zone were recovered,thus the sources of sediment s of each sedimentary zone were determined.
通过对博湖坳陷侏罗系重矿物组合特征和稳定系数变化特征研究,划分了该地区的沉积区域,并恢复了各沉积分区的母岩性质和岩石类型,从而判断出各沉积分区的物源。
补充资料：组合模式或组合振动
分子式：
CAS号：
性质：在红外光谱中通常出现很多的弱吸收，组合模式或组合振动系指对应于两个或多个基本振动频率之和起源，它的弱吸收于多原子分子振动态相互作用的振子的非谐性。与基频振动及倍频所引起的吸收相比，这些吸收是比较弱的。
CAS号：
性质：在红外光谱中通常出现很多的弱吸收，组合模式或组合振动系指对应于两个或多个基本振动频率之和起源，它的弱吸收于多原子分子振动态相互作用的振子的非谐性。与基频振动及倍频所引起的吸收相比，这些吸收是比较弱的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条