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) ore mineral
矿石矿物
1.
Scanning electron microscopy and energy dispersive spectrum analysis of the ore minerals from the Liwu copper deposit,Jiulong,Sichuan
四川九龙里伍铜矿主要矿石矿物扫描电镜能谱分析
2.
In this paper, the types and distribution of ores and the stages of mineralization are summarized, the composition and evolution of different types of ore minerals in time and three-dimensional space are emphatically studied and, on such a basis, the influence of the physical chemistry of fluids upon the composition is pointed out.
文章总结和划分了矿床的矿石类型、矿化阶段及其在空间上的分布 ;对不同阶段、不同地段和不同类型的黄铁矿类、毒砂、黄铜矿、闪锌矿、方铅矿和锡石等 6种主要矿石矿物进行了电子探针微区分析。
3.
This paper discusses the possible relationship between ore mineral′s magnetic characteristic and gold enrichment.
作者认为矿石矿物的磁性特征与金富集可能有成因上的联系 :(1)黄铁矿与磁黄铁矿、黄铜矿和方铅矿等相比 ,以极微弱的反铁磁性 ,不易受微弱外电和磁场的影响 ,在电性和晶体结构方面更具稳定性等特征 ,且易吸附纳米级金粒 ;(2 )压力可使矿石矿物出现压磁效应 ,矿石矿物磁性矢量产生各向异性 ,金粒易在磁矢量加大方向发生富集 ;(3)颗粒细小、受多次压力作用、温度接近居里点等因素都能使矿石矿物的磁性加强 ,形成金富集的有利条件。
补充资料:矿石矿物
分子式:
CAS号:
性质:产于矿床中可以被工业利用或从中提取有利用价值成分的矿物。矿石矿物包括金属矿物,如铁矿床中的磁铁矿,非金属矿物,如石膏矿床中的石膏。
CAS号:
性质:产于矿床中可以被工业利用或从中提取有利用价值成分的矿物。矿石矿物包括金属矿物,如铁矿床中的磁铁矿,非金属矿物,如石膏矿床中的石膏。
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