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Method for prospection of calcrete type uranium ore

A technology for calcareous uranium ore, which is applied in the field of prospecting calcareous uranium deposits through component uranium, can solve the problems of geochemical techniques and methods for the exploration of calcareous uranium ore, shorten the exploration cycle and speed up the speed of prospecting , high accuracy and sensitivity

Inactive Publication Date: 2014-07-09
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

But so far there is no effective geochemical technique for the exploration of calcite-type uranium deposits, and there is an urgent need for a geochemical prospecting method that can identify calcareous-type uranium deposits from the surface

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  • Method for prospection of calcrete type uranium ore

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0024] Below are the concrete steps of utilizing the method provided by the present invention for exploring calcite-type uranium deposits in a certain calcite-type uranium deposit in Namibia:

[0025] (1) Determine the sampling position in the survey area

[0026] Use a handheld GPS locator to determine the sampling location within the survey area.

[0027] (2) Collect soil samples from the measuring points in the survey area

[0028] Dig a hole with a shovel or a hoe, collect soil at a depth of 40cm to 60cm at each sampling point, and pass through an 80-mesh sieve. Take 20g of -80 mesh sample at each sampling point, and bake in an oven at 105°C to 110°C for 2h.

[0029] (3) Extract the amount of uranium in the soil samples at the measuring point

[0030] Weigh 2.5000g samples from the 20g samples of each sampling point after drying in the...

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Abstract

The invention belongs to a uranium ore exploration method, and particularly relates to a method for prospection of calcrete type uranium ore through component uranium. The method includes the following steps of (1) determining sampling positions in a measuring area, (2) collecting soil samples of measuring points in the measuring area, (3) extracting component uranium in the soil samples of the measuring points, (4) measuring the component uranium, (5) making a component uranium plane contour map, (6) judging whether the measuring area is a calcrete type uranium metallogenic prospect or not, and (7) judging whether the measuring area is a calcrete type uranium metallogenic province or not and judging that the uranium metallogenic prospect is the calcrete type uranium metallogenic province when the calcrete type uranium metallogenic prospect determined in the step (6) is also a favourable geological and geophysical prospecting metallogenic prospect. According to the method, misering workloads can be greatly relieved, the prospecting hit rate can be increased, the prospecting speed can be quickened, the prospecting cycle can be shortened and cost can be lowered.

Description

technical field [0001] The invention belongs to a method for prospecting uranium ore, in particular to a method for prospecting calcite-type uranium ore by means of uranium. Background technique [0002] Caconite-type uranium deposits refer to the uranium deposits formed by precipitation and enrichment of uranium in calcareous rocks due to evaporation. It is a new type of uranium mineralization discovered in the 1970s. It is found in many countries and regions. Among them, the calcareous uranium deposits in Australia and Namibia have the most industrial value. [0003] In recent years, with the development of the nuclear power industry, the demand for uranium resources has been increasing, and the exploration and development of various uranium resources have been attached great importance. But so far there is no effective geochemical technique for the exploration of calcite-type uranium deposits. There is an urgent need for a geochemical prospecting method that can identif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V9/00G01N30/02
Inventor 葛祥坤范光艾永亮尹金双张彦辉张良圣张伟曹松华
Owner BEIJING RES INST OF URANIUM GEOLOGY
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