Dissertation > Excellent graduate degree dissertation topics show

Research on Geological Features of Yinchanggou-Qiluogou Lead-Zinc Ore Deposit, Ningnan County, Sichuan Province

Author: XieYang
Tutor: LiYingShu
School: Kunming University of Science and Technology
Course: Mineral prospecting and exploration
Keywords: Lead-Zinc Deposits Stable isotope Ore-forming fluid Stratabound deposits Yinchanggou-Qiluogou in Ningnan County, Sichuan Province
CLC: P618.4
Type: Master's thesis
Year: 2011
Downloads: 20
Quote: 0
Read: Download Dissertation


The Yinchanggou-Qiluogou Lead-Zinc Deposits in Ningnan County, Sichuan Province is located in southwestern margin of the Yangtze platform, it belongs to sub-metallogenic area of the Upper Yangtze districts in Metallogenic Province of the Yangtze Para-platform, and it is also an important part of the Sichuan-Yunnan-Guizhou lead-zinc polymetal metallogenic belt.Based on the results of previous studies, field investigation and laboratory analysis, this paper analyzed in detail geological features of ore deposit and ore-controlling factors of the Yinchanggou-Qiluogou Lead-Zinc Deposits, and systematically studied ore geochemistry characteristics, then deeply discussed genesis of the deposit. After study above, the conclusions follow as:(1)All orebodys of the Yinchanggou-Qiluogou Lead-Zinc Deposits occur in the dolomite with siliceous bands, the upper Dengying Formation of Sinian System, and show the metallogenetic specialization of the lithology and lithofacies.(2) In ore-controlling structure, the orebody are controlled by the interlayer fracture zone and fault structure. The interlayer fractured orebody occur in layered form, veined orebody controlled by fracture of trend to NNW direction, tend of E direction, and occur in veinlets, net vein, lenticular.(3) Ore is characterized by cementation texture, bioerosion texture, interstitial texture, poikilitic texture, replacement lattice texture, replacement remnant texture, massive structure, veinlet structure, desseminated structure and banded structure. There mainly are silicification, carbonation (dolomization and calcilization), gasification and fluoritization, of which silicification is closely related to mineralization.(4) By means of research on the minerogenetic, intercalating relationship, cementing relationship and brecciated structure with microscope, the mineralization stage of the deposit can be divided in syngenetichy stage, drothermal stage and supergene stage. The deposit is charactered as multi-stages of which the main metallogenic stage is drothermal mineralization stage.(5) Based on the study of trace elements of the ore and surrounding rock of the deposit, the author thinks that the formation of the lead-zinc deposit suffered strong transformation, the formation of the deposit have experienced the complex evolution.(6) Based on analysis on stable isotope of the deposit,lead in the metallogenic deposit come from upper crust,a small amount of lead from the deep crust. Main mineralization stage is the later drothermal mineralization stage. Sulfur come mainly from submarine evaporation sulfate; the water in handling medium came mainly from a mixture of waters which consist of the Sinian stratigraphic of sedimentary water and metamorphic rock of the overlying basal formation. Carbon came mainly from carbonate rocks (the surrounding rock).(7) We can inferred the two ore deposits are not result of the same mineralization in Yinchanggou-Qiluogou Lead-Zinc area.(8) Studying on fluid inclusion, that the ore-forming fluid possess middle temperature, middle salinity, middle medium pressure and low density in characteristics is indicated.(9) Whether the geotectonic background or mineralization features, that the deposit type is the stratabound deposits controlled by structure and formature is shown.

Related Dissertations

  1. Quantiative Proteomics of Liver Immortalized Cell Line Chang Liver and Liver Cancer Cell Line HepG2,R735.7
  2. Study on Terrestrial Food Chain of Rana Chensinensis Basted on Stable Isotope,Q958
  3. Northeast Yunnan Pb-Zn stratabound diversity and lithology, facies - controlled mine relationship,P618.13
  4. Gold Occurrence and Discussion on Genesis of Jinying Gold Deposit in Baishan,P618.51
  5. Reservoir Genesis and Geochemical Characteristics of the Carbonate Rocks of Callovian-Oxfordian Formation, Turkmenistan,P618.13
  6. Lanping Jinding lead-zinc mineralization fluid evolution of geochemical research,P618.4
  7. Lead-zinc deposits in Northeast Yunnan MAOPING I mine group , alteration - mineralization zoning mode of,P618.4
  8. Feeding Habits of Lake Anchovy (Coilia Ectenes) in Meiliang Bay, Taihu Lake: Stomach Content and Stable Isotope Analysis,S917.4
  9. Uptake of Dissolved Inorganic Nitrogen by Microalgae in the Shrimp Pond,S917.3
  10. Protein Elicitor PeaT1 Stimulates Early Signaling Responses and Differential Protein Expression in Arabidopsis,S432.2
  11. Series to (18) O isotope labeling applied to quantitative sugar Proteome Research,Q51
  12. Study on the Spatio-temporal Variations of Hydrochemistry and Stable Isotopes at Huanglong in Sichuan, China,P342
  13. Hydrogeochemistry of Surface Water and Shallow Groundwater in Coastal Area of Shenzhen,P641.3
  14. Establishment and Optimization of Stable Isotope ~(18)O-labeling Strategy and the Application to Quantificative Proteomic Research,R817
  15. Study on the Two Kinds of Important Zinc-lead Deposits in Sedimentary Basin of Southern Tianshan, Xinjiang,P618.4
  16. A Method for Relative Quantitation and Qualitation of Glycans Via Stable Isotopic Labeling and ESI-MS Analysis,Q53
  17. Characteristics and Genesis of the Washan and Jishan Porphyry Iron Deposits in the Ningwu District,P618.31
  18. The Effects of Recombinant Human Growth Hormone on Albumin Synthesis Rate during Surgical Trauma and Intra-abdominal Infection,R656
  19. Dagangshan Mountain Bamboo Forest ecosystem nitrogen deposition seasonal and interannual variability of,S795.7
  20. Studies on NaFeEDTA Fortified Soy Sauce,TS264.21

CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Non-ferrous metals
© 2012 www.DissertationTopic.Net  Mobile