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Application Research On The Geophysical-geochemical Integrated Interpretation Of Geothermal Exploration In Donggang Bridge Area, Nanchang

Posted on:2014-08-10Degree:MasterType:Thesis
Country:ChinaCandidate:Y DaiFull Text:PDF
GTID:2180330482450394Subject:Structural geology
Abstract/Summary:PDF Full Text Request
Geothermal resources is a clean and valuable mineral resources collect hot, mineral and water together. It is known as one of the twenty-first Century’s most valuable green energy. Geothermal energy is a renewable energy, it can be used to generate electricity, heating, farming, medicine and so on. It has very broad development prospects. But tectonic of geothermal resources region is complex, The fault structure is developed. In order to achieve the ideal prospecting effect of exploration, we use a variety of geophysical, geochemical methods for comprehensive exploration of the surveyed area. This paper, through summarizing the situation and effect of all kinds of geophysical, geochemical exploration methods in Jiangxi Nanchang Donggang Bridge area, and combined with the "Jiangxi Nanchang Donggang bridge geothermal well exploration work report". Analysis of the feasibility and effectiveness of comprehensive interpretation of geothermal exploration through geophysical, geochemical exploration method, lay the foundation for further exploration, rational development and utilization of geothermal resources.Through this research obtained the following results:(1)By comprehensive the principle and result of the geophysical methods which explored Donggang Bridge area geothermal resources.Speculate that Donggang Bridge area’s heat reservoirs are mainly distributed in 1350~2000 meters and 2280~2000 meters underground area.And actual drilling proved this conclusion.This fully shows that:the integrated use of a variety of geophysical and geochemical methods to detect the presence of geothermal resources is feasible, and has been achieved in the Donggang Bridge area and so on.(2)According to the effectiveness of various methods, complement each other, support each other when using a variety of methods to cooperate in the geothermal’s geophysical and geochemical exploration.Using a variety of geological information, improve the research level, get good geological effect.Having high reference value in the macroscopic evaluation of geothermal resources exploration in terms.(3)Geophysical and geochemical methods is a method to engineering investigation,and the correct interpretation of interference needs to be based on geological and metallogenic theory.In this study, each kind of geophysical and geochemical methods of interpretation process makes full use of the geological analysis method.
Keywords/Search Tags:Geothermal resources, Geophysical prospecting, Chemical prospecting, Comprehensive interpretation, Feasibility
PDF Full Text Request
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