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。
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。
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。
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。
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。
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。
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。
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。
The Carboniferous period produced a number of submarine exhalative massive sulphide deposits, whereas the Yanshanian event was characterized by emplacement of hydrothermal deposits genetically linked to intermediate or acidic intrusives.
长江中、下游燕山期热液矿床的大量产出 ,其原因之一是该区地壳富含流体 ,而流体的富集可能在很大程度上与扬子大陆板块在中生代向华北板块下方俯冲的过程中 ,俯冲带流体向前陆方向的回流有关 。
Ore-forming materials of hydrothermal deposits are commonly characterized by multiplesources.
热液矿床的成矿物质往往具有多来源性。
The alteration is often discovered around the hydrothermal deposits.
这种蚀变常见于热液矿床的周围,因此,研究蚀变围岩对于热液矿床成因、成矿过程元素迁移和富集规律、指导找矿有着极其重要的意义。