Three-dimensional positioning method for ore assigning position of fracture seepage passage type mineralized deep ore deposit

A three-dimensional positioning and deep technology, applied in the field of deep exploration, can solve the problems of large geological body blocking, large burial depth, and difficulty in identifying deep deposit information

Active Publication Date: 2021-07-06
山东省地质矿产勘查开发局第六地质大队
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Problems solved by technology

However, due to the deep burial depth of deep ore bodies (depth 500-3000m) and the serious blocking of overlying thick a...

Method used

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  • Three-dimensional positioning method for ore assigning position of fracture seepage passage type mineralized deep ore deposit
  • Three-dimensional positioning method for ore assigning position of fracture seepage passage type mineralized deep ore deposit
  • Three-dimensional positioning method for ore assigning position of fracture seepage passage type mineralized deep ore deposit

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Embodiment Construction

[0024] The scheme of the present invention will be described in detail below in conjunction with examples.

[0025] In the exploration of the ultra-giant gold deposit in Sanshan Island, Jiaodong, the position of the deep deposit was determined by using the three-dimensional positioning method of the ore-bearing position of the deep deposit. The specific steps for implementing this method are as follows:

[0026] (1) Data collection. Collected the data on the exploration results of the northern sea area of ​​Sanshandao, Sanshandao Gold Mine, Xiling Gold Mine, and Xinli Gold Mine, 81 profiles of exploration lines, 311 columns of drilling holes, 1:50,000 regional geology figure 1 Zhang, 5 1:10,000 topographic and geological maps, and 1 copy of digital elevation data.

[0027] (2) Data processing. Firstly, coordinate conversion is performed on the original profile data and ground coordinate data, and all data are uniformly converted to the Xi'an 80 coordinate system to establish...

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Abstract

The invention discloses a three-dimensional positioning method for an ore assigning position of a fracture seepage passage type mineralized deep ore deposit. According to the method, the constraint of a traditional earth surface two-dimensional geological prospecting thought is broken through, and a new prospecting method based on three-dimensional geological modeling is created. According to the method, on the basis of ore control fracture and ore body coupling, the fracture structure gradation in a complex blocky geologic body is taken as a target, the three-dimensional characteristics of the ore control fracture are extracted and analyzed through three-dimensional geologic modeling, and the occurrence position of the deep ore deposit is determined through key technical indexes such as the fracture surface gradient, the fracture surface change rate and the gradient change difference value. According to the method, a traditional prospecting method is combined with a modern informatization technology, a deep geologic structure is visually displayed by utilizing a three-dimensional visualization technology, a deep ore assignment position is delineated by utilizing a big data analysis technology, and the three-dimensional positioning problem of a deep ore deposit is effectively solved.

Description

technical field [0001] The invention relates to the technical field of deep exploration of mineral resource exploration, in particular to a method for three-dimensional positioning of ore-bearing positions in deep deposits. Background technique [0002] my country is a big consumer of mineral resources. With the rapid growth of economic and social development, the demand for mineral resources in my country is in short supply, which seriously threatens the security of national resources. At the same time, as there are fewer and fewer easy-to-find deposits such as outcrop mines and shallow mines, it is an inevitable choice to find deep large-super-large deposits to alleviate the resource crisis. However, the geological conditions of deep deposits are complex, and prospecting is very difficult. How to determine the location of deep deposits is a bottleneck technology that restricts deep prospecting. [0003] As far as metal ore prospecting is concerned, traditional ore prospec...

Claims

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Application Information

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IPC IPC(8): G01V1/30G01V1/28
CPCG01V1/307G01V1/302G01V1/282
Inventor 宋明春林少一于学峰丁正江周明岭杨真亮薛冰
Owner 山东省地质矿产勘查开发局第六地质大队
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