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Method for searching blind core deposit by utilizing carbonic particles

A hidden ore deposit and particle technology, applied in the geological field, can solve the problems of single particle analysis method and inability to analyze carbon-containing particles, so as to improve the accuracy of ore prospecting and the success rate of ore prospecting

Active Publication Date: 2015-07-22
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is that in the existing technology for finding hidden ore deposits, the analytical means for particles is single and the defects of carbon-containing particles cannot be analyzed, and a method for using carbon-containing particles to find hidden ore deposits is provided

Method used

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  • Method for searching blind core deposit by utilizing carbonic particles
  • Method for searching blind core deposit by utilizing carbonic particles
  • Method for searching blind core deposit by utilizing carbonic particles

Examples

Experimental program
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Embodiment 1

[0040] Example 1 Collection of Carbon Containing Particles

[0041] 1. Regional background

[0042] The Dongshengmiao deposit is a super-large sulfur-lead-zinc polymetallic deposit located in Bayinbaolige Town, Wulatehou Banner, Bayannur City, Inner Mongolia. The main ore-hosting rock is biotite graphite schist, and the ore components are mainly pyrite, Pyrrhotite, sphalerite, galena, useful elements mainly include S, Cu, Pb, Zn, Fe, associated elements that can be comprehensively utilized include Ag, Co, Gd, Au, graphite is one of the main components of the ore body .

[0043] 2. Collection method

[0044]In this embodiment, samples of surface soil updraft and fault gouge in deep faults crossing the ore body are collected. There are two kinds of grids used in this embodiment, one is SiN pane, the composition is Si and N, and the other is the support film of SiO 2 Cu mesh.

[0045] (1) Collection of surface soil updraft samples

[0046] In this embodiment, the ground gas...

Embodiment 2

[0050] The detection and analysis of embodiment 2 samples

[0051] Put the grid containing the two samples obtained in Example 1 into the sample stage of the transmission electron microscope, take pictures of the surface morphology, and analyze the surface morphology; obtain the EDS energy spectrum, element content table, and diffraction pattern diagram and high-resolution images. When calculating the content of elements, the net composition has been considered, and the content is calculated after deducting the net composition.

[0052] 1) Analysis of deep fault gouge particle results

[0053] figure 2 (a) is a carbon-containing particle, the particle is nearly round, the size is 600nm, and there is a circular spot with a large contrast in the middle, the size is 40nm, the selected area diffraction pattern ( figure 2 (b)) appears to be amorphous. X-ray energy spectrum analysis results (Table 1) show that it mainly contains C and O, and also contains a small amount of Na,...

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Abstract

The invention relates to the field of geology, in particular to a method for searching a blind core deposit by utilizing carbonic particles. The method for searching the blind core deposit by utilizing the carbonic particles includes collecting and analyzing the carbonic particles, wherein the collecting means that a carrying net without carbon is used as a carrier to collect carbonic particle samples, and the analyzing means that a transmission electron microscopy is adopted to detect the carbonic particle samples on the carrier. The carbonic particles are nanoscale or close to the nanoscale and contain rich information of the blind core bodies. The information can indicate existence of the blind core bodies and also can directly reflect characteristics of deep ore bodies, the carbonic particles can further be combined with other related particles of the blind core bodies or other physical geography or geochemistry information, and therefore abnormal influences on the geochemistry or the physical geography by other non-carbonic geologic bodies can be eliminated, and accuracy and success rates for blind core body search can be improved.

Description

technical field [0001] The invention relates to the field of geology, in particular to a method for finding hidden ore deposits by using carbon-containing particles. Background technique [0002] No one has previously mentioned methods for predicting hidden deposits using surface updrafts or carbon-bearing particulates in soil solids. In the prior art, the analysis of particles uses a carbon-containing transmission electron microscope grid. Due to the interference of carbon components in the grid, it is difficult to analyze carbon-containing particles. [0003] A large number of studies have shown that the content of organic carbon in ore-hosting rocks is positively correlated with ore-forming elements (such as Pb, Zn, Cu, S, etc.), and organic matter plays an important role in the activation, migration, enrichment and precipitation of metal deposits. effect. The organic carbon deposited on the seabed makes the seabed depositional environment into a reducing environment, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V9/00
Inventor 曹建劲赖佩欣
Owner SUN YAT SEN UNIV
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