Method for extracting deep uranium mineralization information in soil gas
A technology for deep and uranium ore, which is applied in the field of extracting information of uranium mineralization in deep soil gas, and achieves the effect of improving effectiveness and practicability, large anomaly contrast, and clear anomaly.
Active Publication Date: 2019-06-18
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology
With the increase of the depth of ore prospecting, the original conventional gross geochemical prospecting method is difficult to find the abnormal total amount of uranium and its associated elements on the surface above it, so the conventional gross geochemical prospecting method detects the presence of large uranium deposits in deep areas. limitations
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Embodiment
[0035] (1) Use tools such as shovels and hoes to dig a pit with a depth of 70 cm and a diameter of about 30 cm at the measurement position determined by a certain mesh.
[0036] (2) at the deep 50cm place in the center of the pit of above-mentioned steps (1), suspend a semipermeable membrane cylindrical bag that nitric acid solution is housed, and the cylindrical bag is long 25cm, and diameter is the long tubular casing film of 1.5cm, and volume is housed inside The percentage concentration is 30mL of nitric acid solution of 3%, and the two ends of the enteric membrane are tied tightly with plastic silk. This enteric membrane is a semi-permeable membrane, which can only allow the earth's air flow to carry the active nano-uranium and other nano-metal particles and ions in the soil gas from the deep uranium ore body, and the nitric acid from the soil gas to diffuse into the membrane. In the solution, the particles and ions inside cannot seep out of the membrane.
[0037] (3) Co...
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The present invention belongs to the technical field of uranium ore exploration, and particularly relates to a method for extracting deep uranium mineralization information in soil gas. Aiming at overcoming the defects in the prior art, the method for extracting the deep uranium mineralization information in the soil gas is provided, the effect is better, and active nano uranium carried with the deep uranium mineralization information in the soil gas can be extracted. According to the innovative extraction method of the deep uranium mineralization information, the key technical problem that aconventional chemical exploration method cannot explore hidden deep uranium ore can be effectively solved, an ore prospecting actual test shows that through the developed method for extracting the nano uranium carried with the deep uranium mineralization information in the soil gas through a casing semi-permeable membrane, active nano uranium abnormity is more obvious and clearer, the anomaly contrast is large, and the effectiveness and practicability of exploring the deep uranium ore through a soil active nano uranium geochemical method are greatly improved.
Description
technical field [0001] The invention belongs to the technical field of uranium ore exploration, and in particular relates to a method for extracting deep uranium mineralization information in soil gas. Background technique [0002] At present, my country's nuclear industry has entered a stage of rapid development, especially with the development of nuclear power, the demand for uranium resources has grown rapidly, and uranium resources have become an important pillar for the sustainable development of my country's nuclear power. After more than 60 years of uranium exploration in my country, most of the superficial ore and outcrop mines have been discovered. In recent years, the main task of geological prospecting has shifted to finding deep concealed medium and large uranium deposits. With the increase of the depth of ore prospecting, the original conventional gross geochemical prospecting method is difficult to find the abnormal total amount of uranium and its associated el...
Claims
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IPC IPC(8): G01N27/62G01N1/22
Inventor 葛祥坤尹金双刘汉彬
Owner BEIJING RES INST OF URANIUM GEOLOGY