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Exploration method of concealed pegmatite-like alaskite type uranium ore

A white granite, crystalline technology, applied in the field of uranium ore exploration, to achieve the effect of wide coverage, high accuracy and strong applicability

Inactive Publication Date: 2020-04-21
BEIJING RES INST OF URANIUM GEOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the primary halos, secondary halos and radioactive anomalies of hidden pegmatite-type leucogranite uranium deposits are all covered by the overburden, when the overburden depth is large, conventional prospecting methods are powerless

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  • Exploration method of concealed pegmatite-like alaskite type uranium ore

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Embodiment Construction

[0019] Below in conjunction with embodiment the present invention is described in further detail:

[0020] The present invention provides a kind of exploration method of concealed pegmatite-type white granite-type uranium deposit, comprising the following steps:

[0021] Step 1: Deploy the measurement network and measurement line in the measurement area, and determine the measurement location;

[0022] According to the survey requirements and the characteristics of the geological body in the field, it is determined to carry out a high-precision magnetic survey of 1:10000 in the work area; the azimuth of the audio magnetotelluric sounding (AMT) survey line is determined to be 25° (the survey line is laid out perpendicular to the direction of the rock mass), The point distance is 50 meters, and the line distance is 500 meters.

[0023] Step 2, measuring the magnetic susceptibility and resistivity parameters of the measurement positions determined in the above step 1, and collec...

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Abstract

The invention belongs to the technical field of uranium mine exploration, and relates to an exploration method of a concealed pegmatite-like alaskite type uranium ore. The exploration method comprisesthe following steps of: step 1, deploying a measuring net and a measuring line in a measurement region, and determining a measurement position; step 2, measuring magnetic susceptibility and resistivity parameters of the measurement position determined in the step 1, acquiring typical rock samples with different lithologies, and testing the magnetic susceptibility and resistivity parameters thereof; step 3, counting and analyzing the magnetic susceptibility and resistivity parameters of different types of rocks in the measurement region; and step 4, carrying out preprocessing and later inversion calculation on the acquired data, mapping by using software, and finally delineating a concealed pegmatite-like alaskite mass. The exploration method can accelerate the prospecting speed, improve the prospecting hit rate, greatly reduce the drilling workload, shorten the exploration period and reduce the exploration cost.

Description

technical field [0001] The invention belongs to the technical field of uranium ore exploration, and relates to an exploration method for concealed pegmatite-like white granite-type uranium deposits, in particular to a method for exploring hidden pegmatite-like white granite through high-precision magnetic survey and audio magnetotelluric sounding technology Rock-type uranium exploration methods. Background technique [0002] Uranium resources are dual-use resources for both military and civilian purposes. With the rapid development of the national economy, especially with the rapid development of nuclear power, the demand for uranium ore is increasing, and uranium ore resources have become an important pillar for the sustainable development of nuclear power. As an important part of igneous rock-type uranium deposits, pegmatite leucogranite-type uranium deposits have attracted extensive attention from geologists at home and abroad. The important feature of pegmatite-type wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/00G01V3/08G01N27/04G01N27/72
CPCG01V3/00G01V3/081G01N27/041G01N27/72
Inventor 王生云范洪海钟军陈金勇陈聪朱泉龙王伟
Owner BEIJING RES INST OF URANIUM GEOLOGY
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