CN114397319A - Ion adsorption type thorium and co-associated element enrichment form determination method - Google Patents
Ion adsorption type thorium and co-associated element enrichment form determination method Download PDFInfo
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- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 title claims abstract description 133
- 229910052776 Thorium Inorganic materials 0.000 title claims abstract description 133
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004458 analytical method Methods 0.000 claims abstract description 32
- 238000011160 research Methods 0.000 claims abstract description 27
- 238000011835 investigation Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 239000011435 rock Substances 0.000 claims description 33
- 230000033558 biomineral tissue development Effects 0.000 claims description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 21
- 239000011707 mineral Substances 0.000 claims description 21
- 235000010755 mineral Nutrition 0.000 claims description 21
- 239000000523 sample Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 9
- 238000005065 mining Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000004452 microanalysis Methods 0.000 claims description 3
- 238000004445 quantitative analysis Methods 0.000 claims description 3
- 235000013619 trace mineral Nutrition 0.000 claims description 3
- 239000011573 trace mineral Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 42
- 229910052761 rare earth metal Inorganic materials 0.000 description 16
- 150000002910 rare earth metals Chemical class 0.000 description 14
- 229910052770 Uranium Inorganic materials 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 239000010438 granite Substances 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 4
- 229910052727 yttrium Inorganic materials 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052847 thorite Inorganic materials 0.000 description 2
- XSSPKPCFRBQLBU-UHFFFAOYSA-N thorium(iv) orthosilicate Chemical compound [Th+4].[O-][Si]([O-])([O-])[O-] XSSPKPCFRBQLBU-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- -1 T a Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052590 monazite Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- UXBZSSBXGPYSIL-UHFFFAOYSA-N phosphoric acid;yttrium(3+) Chemical compound [Y+3].OP(O)(O)=O UXBZSSBXGPYSIL-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910000164 yttrium(III) phosphate Inorganic materials 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention belongs to the field of nuclear geology research, and particularly relates to a method for determining enrichment forms of ion-adsorption thorium and associated elements, which comprises the following steps: step 1, collecting and arranging existing investigation and research data of known ion adsorption type thorium ore deposit; step 2, preliminary determination of known ion adsorption type thorium deposit thorium and cogenerated element enrichment forms; step 3, carrying out field geological survey and sample collection and analysis on the known ion adsorption type thorium ore deposit; step 4, determining enrichment forms of thorium and co-associated elements by using analysis test data and field survey data; and 5, comprehensively researching and constructing a geochemical enrichment model of the known ion adsorption type thorium ore deposit. According to the invention, the geological process of ion adsorption type thorium ore formation is simulated by determining the key geological information of ion adsorption type thorium ore deposit thorium and co-associated element enrichment form, and the determination of the thorium and co-associated element enrichment form is carried out for the known typical ion adsorption type thorium ore deposit for the first time.
Description
Technical Field
The invention belongs to the field of nuclear geology research, and particularly relates to a method for determining enrichment forms of ion-adsorption thorium and associated elements.
Background
Thorium is a secondary nuclear energy source which can replace uranium and is an important nuclear energy source 'reserve grain'. The nuclear energy plays an increasingly important role in the production and life of the nation in the future, and can ensure the energy safety of China. At present, the research degree of thorium resources in China is low, and most thorium ore deposits (points), mineralization points and abnormal points are found in sequence in the investigation process of other minerals. In China, rare earth and rare associated thorium resource minerals with the highest utilization degree in the existing thorium resources are produced, because the mining cost is low, the mineralization utilization efficiency is highest, and the ion adsorption type thorium resource is one of the thorium resources and is also a very important one. The ion adsorption type thorium resource is a thorium resource which is widely distributed in China at present and has great utilization potential, and has great significance for the subsequent exploration and development of the ore deposit of the type of thorium and the associated element enrichment form.
At present, no independently developed ion adsorption type thorium ore deposit exists in China, and the ion adsorption type thorium ore deposit is often associated with rare and rare earth resources. The method aims at the researches of ore deposit characteristics, mineralization surrounding rock, physical and chemical conditions, rock and ore characteristics, mineralization conditions, mineral co-associated combination, element enrichment forms and the like of a typical ion adsorption type thorium ore deposit, constructs ion adsorption type thorium and co-associated element enrichment form determination technology, and guides the exploration and development of ion adsorption type thorium resources.
Disclosure of Invention
The invention aims to provide a method for determining enriched forms of ion-adsorption thorium and co-associated elements, which simulates the geological process of ion-adsorption thorium mineralization through determining key geological information of enriched forms of thorium and co-associated elements of an ion-adsorption thorium deposit, and performs determination of enriched forms of thorium and co-associated elements aiming at a known typical ion-adsorption thorium deposit for the first time.
The technical scheme for realizing the purpose of the invention is as follows:
a method for the identification of ion-adsorbed thorium and a co-associated element enriched form, said method comprising the steps of:
step 1, collecting and arranging existing investigation and research data of known ion adsorption type thorium ore deposit;
step 2, preliminary determination of known ion adsorption type thorium deposit thorium and cogenerated element enrichment forms;
step 3, carrying out field geological survey and sample collection and analysis on the known ion adsorption type thorium ore deposit;
step 4, determining enrichment forms of thorium and co-associated elements by using analysis test data and field survey data;
and 5, comprehensively researching and constructing a geochemical enrichment model of the known ion adsorption type thorium ore deposit.
The investigation and research data of collecting the known ion adsorption type thorium ore deposit in the step 1 comprise: regional mineralization geological background survey, deposit geology, assigned-ore surrounding rock determination, physicochemical conditions, rock-ore characteristics, mineralization conditions, physicochemical conditions and element enrichment forms.
The step 2 specifically comprises the following steps: analyzing the basic characteristics of the rock chemistry and the geochemistry of the ion adsorption type ore deposit, analyzing the basic characteristics of the ore deposit mining rock mass through analyzing the prior basic data, and preliminarily determining the enrichment forms of known ion adsorption type thorium ore deposit thorium and co-associated elements.
The basic characteristics of the bed mineralized rock mass in the step 2 comprise: the characteristics of major elements and trace elements of the mineralized rock mass are preliminarily interpreted into the cause, mineralized environment and mineralized condition of the mineralized geologic body.
The field geological survey of the known ion adsorption type ore deposit in the step 3 comprises the following steps: the method is characterized by carrying out detailed research on regional ore deposit characteristics, mineralization action, endowing surrounding rock, physical and chemical conditions, rock and ore characteristics, mineralization conditions, mineral associated combination and element enrichment forms, and carrying out field route geological survey, ore deposit point inspection, mineralization outcrop detailed inspection, structural stress analysis and mineralization geologic body mineral combination analysis.
The step 3 of carrying out sample collection and analysis on the known ion adsorption type ore deposit comprises the following steps: the system collects chemical analysis samples, heavy sand analysis samples, rock and ore identification samples, probe analysis and main micro analysis samples related to thorium mineralization.
The step 4 specifically comprises the following steps: according to field investigation research data and sample analysis test data, the mining characteristics of the known ion adsorption type thorium deposit are summarized, and the element enrichment form and the enrichment rule of the deposit and the enrichment rule of thorium and co-associated elements are researched on the basis of indoor analysis and field investigation.
The element enrichment form and the enrichment rule for researching the deposit in the step 4 are specifically as follows: on the basis of rock and ore identification, the combination form and distribution characteristics of thorium and associated minerals are obtained through a high-precision scanning electron microscope, an electronic probe and an AMICS automatic mineral parameter quantitative analysis system.
The step 5 specifically comprises the following steps: and (3) simulating and analyzing an ore formation process of the ion adsorption type thorium deposit through research results and data analysis in the steps 1-4, extracting a key ion adsorption type thorium ore formation geological background, analyzing deposit characteristics, analyzing enrichment forms of thorium and co-associated elements, and constructing a known ion adsorption type thorium deposit geochemical enrichment model.
The invention has the beneficial technical effects that:
1. the method for determining the enrichment forms of the ion-adsorption thorium and the co-associated elements comprehensively researches the mineralization process of the ion-adsorption thorium deposit and the enrichment forms of the ion-adsorption thorium and the co-associated elements by further field geological survey and indoor analysis and test by using the research data of predecessors.
2. The method for determining the enrichment form of the ion-adsorption thorium and the associated elements comprises the steps of data collection and secondary development, field geological survey, analysis and test, indoor comprehensive research and mineral formation mode construction, and is clear in technical process and high in operability.
3. The method for determining enrichment forms of ion-adsorption thorium and associated elements provided by the invention is based on the research result of determining enrichment forms of thorium and elements in the process of ore formation of Guangxi Ningpo mountain ore deposit, and has the advantages of clear and convenient technical process, strong operability, good applicability, accuracy and intuition.
4. The ion adsorption type thorium and co-associated element enrichment form determination method provided by the invention simulates the geological process of ion adsorption type thorium ore deposit mineralization through determining the key geological information of ion adsorption type thorium ore deposit thorium and co-associated element enrichment form, firstly performs thorium and co-associated element enrichment form determination aiming at the known typical ion adsorption type thorium ore deposit, and can quickly and accurately obtain the parameters of the co-associated element enrichment feature of the ore deposit.
5. The ion adsorption type thorium and associated element enrichment form determination method provided by the invention establishes an ion adsorption type thorium ore deposit geochemical enrichment model, can be effectively applied to other ore deposits of the type, and guides the exploration and development of the thorium ore.
Drawings
FIG. 1 is a geochemical enrichment model diagram of a pallida mountain ion adsorption type deposit provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Taking Guangxi province Gupo mountain accompanying thorium ore deposit as an example, the invention provides a method for determining enrichment forms of ion adsorption type thorium and co-associated elements, which specifically comprises the following steps:
step 1, collecting and arranging existing investigation and research data of Guangxi province Gupo mountain associated thorium ore deposit
The system collects the investigation and research data of Guangxi province Gupo mountain associated thorium ore deposit. Analyzing, summarizing and secondarily developing the predecessor data, fully grasping the basic data of the known ion adsorption type thorium deposit, verifying and verifying the reliability of the data from different sources, and determining the work achievement of predecessors. The collected survey and research data of the Guangxi province Gupo mountain associated thorium ore deposit comprise regional mineralization geological background survey, ore deposit geology, assigned ore surrounding rock determination, physical and chemical conditions, rock and ore characteristics, mineralization conditions, physical and chemical conditions, element enrichment forms and the like.
The pallida mountain ore deposit is a typical ion adsorption type ore deposit formed by granite differentiation, and as shown in figure 1, the pallida mountain granite is rich in thorium, uranium, rare earth and rare earth, and forms an ion adsorption type associated thorium resource ore deposit under the influence of southern physicochemical weathering.
Step 2, aiming at enrichment forms of thorium and co-associated elements in Guangxi Gupo mountain associated thorium ore deposit
Analyzing the basic characteristics of rock chemistry and geochemistry of the ion adsorption type ore deposit, analyzing the basic characteristics of the ore deposit ore forming rock mass through analyzing the prior basic data, and determining the enrichment forms of known ion adsorption type thorium ore deposit thorium and co-associated elements.
According to the research data of the predecessors, the data of major elements and trace elements of the mineralized rock mass are extracted, and the cause, the mineralized environment and the mineralized conditions of the mineralized rock mass are preliminarily judged. Further, the basic characteristics of the rock chemistry and the geochemistry of the ion adsorption type ore deposit (the kumi mountain thorium ore deposit, Guangxi province) were preliminarily analyzed.
Step 3, carrying out field geological survey and sample collection and analysis on Guangxi province Gupo mountain associated thorium ore deposit
The method is characterized by comprising the following steps of carrying out field geological survey on the Guangxi province Gupo mountain accompanying thorium ore deposit, carrying out detailed research on regional ore deposit characteristics, mineralization effect, mineralization surrounding rock, physical and chemical conditions, rock and ore characteristics, mineralization condition, mineral co-associated combination and element enrichment forms, and mainly working the field geological survey, the ore deposit point inspection, the mineralization outcrop detailed inspection, structural stress analysis and mineralization geologic body mineral combination analysis. According to the standard of uranium mining geological survey (DZT0199-2015), a pallida mountain ore deposit thorium mineralized sample is systematically collected, and then a chemical analysis sample, a heavy sand analysis sample, a rock ore identification sample, a probe analysis sample and a main micro analysis sample are carried out.
A series of samples of the thorium resource are collected in the field for heavy sand selection, and the analysis result of the heavy sand is shown in Table 1.
TABLE 1 enrichment characteristics of thorium and co-associated elements from Guangxi Gupo mountain deposits
Step 4, determining enrichment forms of thorium and co-associated elements by using analysis test data and field survey data
The field investigation and research of the Guangxi province Gupo mountain accompanying thorium deposit are carried out, analysis and test of thoriated samples are carried out, the most advanced technical method and instrument and equipment in China are utilized, on the basis of rock and ore identification, the combination form, distribution characteristics and enrichment rules of the Gupo mountain thorium and the associated minerals are systematically obtained through high-precision scanning electron microscope, electronic probe and AMICS automatic mineral parameter quantitative analysis.
Gupo mountain ore deposit thorium and associated elements are mainly enriched in minerals such as brown yttrium columbite, zircon, monazite, rutile, anatase, xenotime, magnetite, limonite and the like.
Geochemical characteristics of rare-earth associated thorium ore deposit of Ningpo mountain: the ores in the mining area are rich in uranium and thorium, the thorium element mainly exists in rare earth rare minerals, the thorium is in positive correlation with Nb, Ta and Ce elements, and the highest content of thorium in the total weathering crust is the most obvious geochemical characteristic of the mining area.
The spotted rockmass has high total rare earth content, obvious Eu load abnormity, unobvious light and heavy rare earth differentiation, and light rare earth content slightly higher than heavy rare earth content. The rare earth distribution curves of the thorium-rich and rare earth minerals, namely the limonite, the limoyttrium niobium ore and the apatite, are consistent in shape. Except potassium feldspar in the rock-making minerals, the rare earth distribution curves of other minerals are consistent in shape.
The microelements of the palliative mountain rock mass are mainly characterized by being rich in large-ion-radius lithophilic elements (LILE) such as Rb, T h, U, REE, Y, Nb, T a, Zr and Hf and high field intensity elements (HFSE), and show the characteristics of typical A-type granite.
Step 5, carrying out comprehensive research on construction of geochemical enrichment models of ion adsorption type thorium deposit thorium and co-associated elements of Guangxi Gupo mountain associated thorium deposit
And (3) simulating and analyzing an ore-forming process of the Guangxi Gupo mountain accompanying thorium ore deposit through the research results and data analysis, extracting a key ion adsorption type thorium ore-forming geological background, analyzing ore deposit characteristics, analyzing enrichment forms of thorium and co-associated elements, and constructing a Guangxi Gupo mountain ion adsorption type thorium ore deposit geochemical enrichment model.
The geochemical enrichment model of the ion adsorption type concomitance thorite deposit is shown in figure 1, the original rock of the type thorite deposit is granite, thorization is mostly in positive correlation with rare earth mineralization, particularly Ce family light rare earth elements, and the thorization is closely related with Nb, Ta and Y mineralization. The element combination of Ce-Nb-Ta-Th-U-Ti is the element combination characteristic of ion adsorption type thorium ore deposit.
The method is suitable for basic research of the ion adsorption type thorium resource in China, and can provide the most direct and accurate information for development and utilization of the ion adsorption type thorium resource in China.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The prior art can be adopted in the content which is not described in detail in the invention.
Claims (9)
1. A method for determining enriched forms of ion-adsorbed thorium and co-associated elements, which comprises the following steps:
step 1, collecting and arranging existing investigation and research data of known ion adsorption type thorium ore deposit;
step 2, preliminary determination of known ion adsorption type thorium deposit thorium and cogenerated element enrichment forms;
step 3, carrying out field geological survey and sample collection and analysis on the known ion adsorption type thorium ore deposit;
step 4, determining enrichment forms of thorium and co-associated elements by using analysis test data and field survey data;
and 5, comprehensively researching and constructing a geochemical enrichment model of the known ion adsorption type thorium ore deposit.
2. The method for determining the enriched form of ion-adsorbed thorium and co-associated elements of claim 1, wherein said collecting survey and study data of known ion-adsorbed thorium deposits in step 1 comprises: regional mineralization geological background survey, deposit geology, assigned-ore surrounding rock determination, physicochemical conditions, rock-ore characteristics, mineralization conditions, physicochemical conditions and element enrichment forms.
3. The method for determining enriched forms of ion-adsorbed thorium and co-associated elements according to claim 2, wherein the step 2 is specifically: analyzing the basic characteristics of the rock chemistry and the geochemistry of the ion adsorption type ore deposit, analyzing the basic characteristics of the ore deposit mining rock mass through analyzing the prior basic data, and preliminarily determining the enrichment forms of known ion adsorption type thorium ore deposit thorium and co-associated elements.
4. The method for determining enriched forms of ion-adsorbed thorium and co-associated elements as claimed in claim 3, wherein the essential characteristics of the mineralized rock mass of the ore bed in the step 2 include: the characteristics of major elements and trace elements of the mineralized rock mass are preliminarily interpreted into the cause, mineralized environment and mineralized condition of the mineralized geologic body.
5. The method for determining enriched forms of ion-adsorbing thorium and co-associated elements as claimed in claim 4, wherein said step 3 of performing a field geological survey of known ion-adsorbing deposits comprises: the method is characterized by carrying out detailed research on regional ore deposit characteristics, mineralization action, endowing surrounding rock, physical and chemical conditions, rock and ore characteristics, mineralization conditions, mineral associated combination and element enrichment forms, and carrying out field route geological survey, ore deposit point inspection, mineralization outcrop detailed inspection, structural stress analysis and mineralization geologic body mineral combination analysis.
6. The method for determining enriched forms of ion-adsorbing thorium and co-associated elements as claimed in claim 5, wherein the step 3 of sampling and analyzing the known ion-adsorbing deposit comprises: the system collects chemical analysis samples, heavy sand analysis samples, rock and ore identification samples, probe analysis and main micro analysis samples related to thorium mineralization.
7. The method for determining enriched forms of ion-adsorbed thorium and co-associated elements according to claim 6, wherein the step 4 comprises: according to field investigation research data and sample analysis test data, the mining characteristics of the known ion adsorption type thorium deposit are summarized, and the element enrichment form and the enrichment rule of the deposit and the enrichment rule of thorium and co-associated elements are researched on the basis of indoor analysis and field investigation.
8. The method for determining enriched forms of ion-adsorbed thorium and co-associated elements as claimed in claim 7, wherein the element enriched forms and enrichment rules of the deposit studied in step 4 are specifically: on the basis of rock and ore identification, the combination form and distribution characteristics of thorium and associated minerals are obtained through a high-precision scanning electron microscope, an electronic probe and an AMICS automatic mineral parameter quantitative analysis system.
9. The method for determining enriched forms of ion-adsorbed thorium and co-associated elements according to claim 8, wherein the step 5 comprises: and (3) simulating and analyzing an ore formation process of the ion adsorption type thorium deposit through research results and data analysis in the steps 1-4, extracting a key ion adsorption type thorium ore formation geological background, analyzing deposit characteristics, analyzing enrichment forms of thorium and co-associated elements, and constructing a known ion adsorption type thorium deposit geochemical enrichment model.
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