1) hydrothermal anhydrite
热液硬石膏
2) hydrothermal fluids
热液
1.
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) hydrothermal solution
热液
1.
The REE composition and distribution pattern of hydrothermal sedimentation on sea floor record the information concerning mixing of hydrothermal solution and seawater end member component,and the change with increasing seawater proportion.
:总结了海底热液及其沉积物的稀土元素组成特征和控制因素。
2.
The experimental studies on the activation,migration and deposition of goldbearing argentite sample in hydrothermal solution containing neutral,alkaline and acidic amino acids are made respectively in this paper.
对含金的辉银矿样品在中性、碱性和酸性氨基酸热液中的活化、迁移与沉积作用,分别进行了实验研究。
3.
This paper has a discussion on geochemical behavior, migrational mode and enrichment conditions of gold in hydrothermal solution.
本文描述热液中金的地球化学特征及其迁移形式、富集条件。
4) hydrothermal
热液
1.
Geological structure in Lala area has been re - investigated and the mineralization condition in Luodang is analyzed on the basis of the relationship between deposit structure, stratum, metamorphism and hydrothermalism.
河口复背斜的南翼是由一系列的次级背斜、向斜组成,并存在近东西向和一系列北西向、近南北向的断裂组合,矿区矿体的分布受近东西向同斜倒转背、向斜控制,被各组断裂切割;并从矿体与构造、地层、变质、热液的关系,分析了落凼矿区矿床的成因,总结出矿床可能的成矿模式,构造-热液复合成因铜多金属矿床。
2.
Deep-sea hydrothermal sampler may be the most common and most direct instruments in deep-sea hydrothermal detecting and sampling.
深海热液采样器作为深海热液探测和采样最直接的工具之一,在人们认识和研究热液过程中扮演着不可或缺的重要作用。
5) hydrothermal fluid
热液
1.
pH exploration electrodes need to be self-calibrated in the seafloor in order to implement long-time in-situ pH exploration for the deep-sea hydrothermal fluid.
为了实现深海热液pH值的长期原位探测,采用2种缓冲液对pH探测电极在海底进行原位自校正。
6) hydrothermal zircon
热液锆石
1.
Unfortunately, hydrothermal zircons that grow directly from mineralizing fluids and inherited magmatic or metamorphic zircons from wall rocks may .
近年来同位素质谱技术的发展使得通过含金石英脉中热液锆石的U-Pb定年来精确限定石英脉型金矿床成矿时代成为可能。
参考词条
补充资料:硬石膏
| 硬石膏 anhydrite 硫酸盐矿物 。成分为Ca[SO4]。正交(斜方)晶系,晶体呈柱状或厚板状;集合体呈块状或纤维状。无色、白色,或因含杂质而呈浅灰色、浅蓝色或浅红色。玻璃光泽,具三组相互垂直的解理,可裂成长方形解理块。莫氏硬度3~3.5,比重2.98。主要为化学沉积产物,大量形成于潟湖和内陆盐湖中,常与石膏、石盐和钾石盐等伴生。暴露在地表时易水化而成石膏。世界著名产地有波兰的维利奇卡,奥地利的布莱贝格,德国的施塔斯富特,瑞士的贝城,美国的洛克波特,中国南京的周村等。主要用于制造农肥和代替石膏作硅酸盐水泥的缓凝剂。 |
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