搜索结果: 1-15 共查到“地质学 Copper”相关记录25条 . 查询时间(0.207 秒)
中国地质大学科学技术发展院吴亚飞(博士研究生),李建威 等 资源学院/GPMR国家重点实验室 Geology, Available online 2 May 2019. Gold, arsenic, and copper zoning in pyrite: A record of fluid chemistry and growth kinetics
热液黄铁矿；复杂成分；环带形成；控制因素；研究成果
2021/10/20
近日，中国地质大学资源学院和GPMR国家重点实验室李建威教授团队在国际地质学顶级期刊Geology上发表了关于热液黄铁矿中复杂成分环带形成机理与控制因素的研究成果。论文第一作者吴亚飞是中国地质大学与澳大利亚科廷大学联合培养的博士研究生，通讯作者为李建威教授。
EVALUATING CROSTA TECHNIQUE FOR ALTERATION MINERAL MAPPING IN MALANJKHAND COPPER MINES, INDIA
Crosta technique Landsat Hydroxyl Carbonate ron oxide
2019/2/27
Landsat-8 Operational Land Imager (OLI) data has been successfully employed in the field of mineral exploration to detect important minerals. In this study, Crosta technique was applied to identify th...
Comparative Study of Gacun and Youre Silver–Lead–Zinc–Copper Deposits in Sichuan, SW China, and their Mineralization Significance
ore-bearing horizon structure of ore-bearing belt VMS deposit Gacun–Youre ore district
2018/4/10
The large Gacun silver–lead–zinc–copper deposit in Sichuan Province is one of the largest volcanogenic massive sulfide (VMS) deposits in China. The deposit consists of western and central ore bodies, ...
Isotope geochemistry and its implications in the origin of Yangla copper deposit, western Yunnan, China
Yangla copper deposit isotopes western Yunnann
2017/4/10
The Yangla copper deposit is located in western Yunnan Province, China, with an estimated Cu reserve of approximately
1.2 million tons. It is a typical giant copper deposit, and its mining started on...
Tribological Properties and Self-Repairing Effect of Palygorskite /Copper Nanocomposites as Lubricating Oil Additive
Nano Composite Nano-Copper Nano-Palygorskite Self-Repairing Film Wear
2011/11/14
Palygorskite/copper nanocomposites were prepared in order to study the friction behaviour and self-repairing effect of HT200 tribopair. The friction and wear behaviors of the lubricant oil containing ...
Thermal analysis and Hot-stage Raman spectroscopy of the basic copper arsenate mineral
Copper Arsenate Olivenite Cornwallite Cornubite Clinoclase thermal stage Raman spectroscopy Euchroite
2011/11/10
The thermal analysis of euchroite shows two mass loss steps in the temperature range 100–105 °C and 185–205 °C. These mass loss steps are attributed to dehydration and dehydroxylation of the mineral. ...
The comparison of alteration zones in the Sungun porphyry copper deposit,Iran (based on fluid inclusion studies)
Fluid inclusion Porphyry copper deposit Potassic alteration Phyllic alteration
2009/10/20
The Sungun porphyry copper deposit (PCD) is located in EastAzarbaijan, in northwestern Iran. The felsic rocks occur as stocks and dykes ranging in composition fromquartzmonzodiorite through quartzmonz...
The Silistar Intrusive, Eastern Srednogorie Zone, Bulgaria: Structural Data and Potential for Porphyry Copper and Epithermal Systems
Eastern Srednogorie Bulgaria Silistar intrusion porphyry copper epithermal
2009/7/8
The Late Cretaceous Silistar intrusion comprises of gabbros, gabbro-diorites to quartz-diorites and aplites, that were emplaced into a volcano-sedimentary succession of similar age. Structural data su...
Copper, zinc and lead impact in SW Iberian shelf sediments: An assessment of recent historical changes in Guadiana river basin
SW Iberian Continental Shelf sediment core mining exploitation geochronology heavy metal enrichment factor
2017/8/10
n the present study, lithogenic/biogenic and anthropogenic elements were determined in five sediment cores collected at the SW Iberian Continental Shelf in order to investigate the spatial and tempora...
Reactions of copper and cadmium ions in aqueous solution with goethite, lepidocrocite, mackinawite, and pyrite
copper and cadmium irons goethite lepidocrocite mackinawite andpyrite
2012/3/31
TheuptakeofCuandCdinaqueoussolutionbyinteractionwiththesurfacesofcare-
fullysynthesized?nelysizedparticlesofgoethite,lepidocrocite,mackinawite,andpyrite
wasmeasuredasafunctionofinitialmetalconcentra...
Physico-Chemical Characterization and Catalytic Properties of Copper-Doped Alumina-Pillared Montmorillonites
Alumina Copper Copper Catalyst Montmorillonite Phenol Hydroxylation Pillared Clay
2011/12/2
Abstract: Cu-doped alumina-pillared montmorillonite samples have been prepared and characterized with X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), electron spin resonance (ESR) and inductive...
Tschörtnerite, a copper-bearing zeolite from the Bellberg volcano, Eifel, Germany
Tschö rtnerite copper-bearing zeolite Bellberg volcano
2012/3/31
The new mineral tscho¨ rtnerite, ideally Ca4(K,Ca,Sr,Ba)3Cu3(OH)8[Si12Al12O48]· x H2O, x $ 20, occurs as well-formed cubes up to a maximum size of 0.15 mm in a Ca-rich xenolith at the Bellberg volcano...
Preparation, Characterization and Electrochemistry of Synthetic Copper Clays
Chrysocolla Clay-modified Electrodes Copper Smectites Cyclic Voltammetry Synthetic Clay
2011/12/8
Abstract: Hydrothermal treatment of aqueous mixtures of sodium hydroxide, copper chloride and excess sodium silicate (Si/Cu ≥ 2) at 150 °C produced blue powders. Scanning electron microscopy/energy di...
Migration of Cations in Copper(II)-Exchanged Montmorillonite and Laponite upon Heating
CEC Measurements Cu-Laponite Cu-Montmorillonite EPR Hofmann-Klemen Effect IR XPS
2011/12/22
Abstract: Two clay minerals, a dioctahedral, Na-montmorillonite from Wyoming and a trioctahedral, synthetic Na-laponite, were exchanged by cupric (Cu(II)) ions and subsequently heated at 100 °C interv...
Hydrothermal Synthesis (250°C) of Copper-Substituted Kaolinites
Cu2+ Kaolinite Octahedral substitution Synthesis
2011/12/28
To obtain Cu-kaolinites with a controlled range of chemical compositions, syntheses were performed by hydrothermally ageing gels with kaolinite stoichiometric compositions. Gels were prepared with sod...