沉积矿床
- 网络sedimentary deposit;sedimentary mineral deposit;Sedex
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文章讨论了海相热水沉积矿床的分类,介绍了各类矿床的特征,探讨了成矿控制因素、物质来源和成矿机制,就此对海相热水沉积矿床与其它矿床的划分问题提出了意见。
The classification of marine hydrothermal sedimentary deposit are discussed . The characteristic of many deposits are introduced . The metallogenic mechanism , deposit genesis and material source are also discussed .
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热水沉积矿床研究的现状与趋势
Resent situations and trend of studies on the hydrothermal sedimentary deposit
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硫同位素组成δ34S为7.00‰~23.00‰,黄铁矿是含矿热液以堆积、充填和交代方式形成,黄铁矿床为火山热水沉积矿床。
Sulfur isotopic composition is 7.00 ‰~ 0.90 ‰ . The pyrite mineral had genetic tie with concentration , filling and metasomatism of the ore bearing hydrothermal solution , and the deposits represent a sedimentary deposit caused by volcanic hydrothermal solution .
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喷气沉积矿床成因研究的几个问题
A study of some problems about the origin of exhalative-sedimentary ores
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因此,这些矿床应属生物化学沉积矿床。
Therefor , these deposits are canonical biochemical sedimentary mineral deposit .
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湘西北镍钼多金属喷气沉积矿床的地球化学特征
Geochemistry of Ni Mo polymetallic exhalation sediment ore deposit in northwestern Hunan
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表生风化淋滤作用的演化和为沉积矿床提供矿质能力的研究
The evolution of supergene weathering and its ability of supplying ore-forming elements
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鲁西石炭、二叠系沉积矿床成矿系列
Minerogenetic series of the Carboniferous and Permian sedimentary deposits in western Shandong
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4沉积矿床;一种沉积型滑石矿
Sedimentary ore deposit ; A SEDIMENTARY & TYPE TALC DEPOSIT
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一些沉积矿床富含钻石。
Some alluvial deposits are a rich source of diamonds .
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华南寒武纪海洋中沉积矿床及其古环境
Sedimentary ore deposits in Cambrian ocean of the South China and the paleo-ocean environments
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然而,埋藏较深的铝土矿资源中,矿床大部分为缓倾斜沉积矿床。
However , most deposits of the deeply buried bauxite resources are sedimentary deposit .
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沉积矿床研究若干进展综述
Some Advances in Study of Sedimentary Deposits
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山区海相沉积矿床开采岩体移动分析
Analysis of rock mass displacement due to underground mining of marine deposit in mountain area
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广西沉积矿床成矿系列成矿模式及控矿因素
Metallogenic series , metallogenic model and ore - controlling factors of sedimentary deposit in Guangxi
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海相热水沉积矿床问题探讨
Discussion on marine hydrothermal sedimentary deposit
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海底热水沉积矿床主要受古构造&深大断裂、裂谷等控制。
Submarine hydrothermal-sedimentary Mn-depo-sits are controlled mainly by palaeostructures ( deep fracture and fault trough ) .
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有机质演化与沉积矿床成因(Ⅱ)&煤成烃类与层控矿床
Evolution of organic matter and origin of sedimentary deposits (ⅱ) & hydrocarbons originating from coal and strata-bound deposits
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一种由天然氯化钾组成的矿物,是重要的钾矿石,见于沉积矿床中。
A mineral consisting of native potassium chloride ; an important ore of potassium that is found in sedimentary beds .
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正如所预料的那样,研究人员发现氙同位素是由这些沉积矿床中的铀矿物裂变产生的。
As expected , the researchers found the xenon isotope produced by uranium fission in uranium minerals from this deposit .
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海槽型泥盆系多产出层控型金和多金属矿床,台地型则以沉积矿床为主。
In most cases , stratabound gold and polymetallic deposits occur in the trough-type Devonian , while sedimentary mineral deposits mainly occur in the platform-type Devonian .
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同生沉积矿床在变形变质过程中的再活化,会在矿床中产生许多后生特征,这一点在研究矿床成因时必须充分注意。
Reactivation of the synsedimentary deposits during deformation and metamorphism would add many epigenetic features to the deposits , which should be paid more attention during research .
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沉积矿床的厚度及顶底板标高在走向方向上与距离强相关,在倾向方向与矿层倾角强相关。
The thickness arid roof-and floor-elevation of the accumulating layer beds are very closely interrelated to the distance in alignment direction , and very closely related to the mine seam slanting angle in inclination direction .
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笔者在总结成矿地质特征基础上,重点分析讨论控矿因素,提出矿床成因是受礁洼控制的典型的海相热水喷流沉积矿床。
On the basis of a summary of the geological characteristics of metallogenesis , We stress the analysis and discussion of the deposit-controlling factors and point out that this ore deposit is a typical marine facies hot water effusive sedimentary deposit controlled by reef depression .
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而热卤水同生沉积型矿床中,Ba的含量特别高,它可作为海底热液活动的证据之一及寻找此类矿床的地球化学指标。
However , Ba content is very high ( > 2000 × 10-6 ) in Ag-Pb ore deposit of thermal brine and syngenetic type . It is therefore feasible to regard the anomaly of Ba in rocks as one of the evidences of submarine hydrothermal activity and a geochemical indicator .
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高龙金矿为产于滇黔桂裂谷中的热水沉积型矿床。
Gaolong Au deposit is a sedex deposit in Dian-Qian-Gui rift .
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我国南方一些古岩溶洞穴沉积铅锌矿床的成矿特征
Geologic characteristics of Genesis of karst lead-zinc deposit in South China
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沉积改造矿床成矿的随机性及统计分析
Mineralization randomness and the statistical analysis for SEDIMENTARY-REWORKING ore deposits
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海滨沉积型砂矿床船采工艺及设备的应用
Dredging technology and equipment for sea beach sedimentary placer
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宁芜向山地区火山热水沉积黄铁矿矿床地质概念模型
Theoretical model for hot-water sedimentary pyrite deposits , Xiangshan district , nanjing Wuhu region