42 results about "Pegmatite" patented technology

The invention discloses a fluoride-free strong-acid-free reverse flotation method for extracting a high-purity quartz sand flotation product from granite pegmatite, and belongs to the technical field of mineral flotation. The method comprises the following steps: carrying out graded crushing and ore grinding on granite pegmatite to obtain slurry to be treated; carrying out wet magnetic separation on the to-be-treated slurry to obtain ore pulp after magnetic separation and magnetic-containing minerals; the pH value of the ore pulp is not adjusted, reverse flotation is carried out in the presence of a quartz mixed inhibitor, and a feldspar product and a quartz product are obtained; the quartz mixed inhibitor is a combination of a component A and a component B, wherein the component A is selected from at least one of sodium metasilicate, sodium tripolyphosphate, sodium hexametaphosphate, carboxymethyl cellulose and salinized water glass; the component B is selected from at least one of guar gum, Arabic gum, sodium humate and citric acid. The method is free of fluorine and strong acid, green and efficient, and is a method for preparing high-purity quartz sand from pegmatite with high industrial application feasibility.

The present invention discloses a method and apparatus for purifying high-purity quartz sand from granite pegmatite. The process of the present invention can deeply remove impurities from quartz sand concentrate made from granite pegmatite, effectively removing both fluid inclusion impurities and lattice impurities, which are difficult to remove in quartz. The process is particularly effective in removing interstitial ions such as alkali metals, and also has a certain degree of removal effect on stubborn impurity elements such as aluminum and titanium. This method can enable the purity of high-purity quartz sand to break through the bottleneck of 5N. The present invention has the advantages of simple operation, a short process, and good impurity removal effect.

The invention discloses a pegmatite high-purity quartz purification method and an extraction purity evaluation method.The purification method comprises the steps that S1, a quartz sample C is selected from pegmatite high-purity quartz samples collected in the field through naked eye observation, slice observation under a microscope and total rock analysis in sequence; s2, performing laser confocal Raman spectrum measurement on the quartz sample C to obtain typical characteristic peak data and lattice Al data of a fluid inclusion in the quartz sample C, and rejecting quartz samples which do not meet requirements based on the lattice Al data to obtain a quartz sample D; s3, performing fluid inclusion temperature measurement on the screened quartz samples D, and selecting quartz samples E with the uniform temperature less than 600 DEG C from the quartz samples D; and bursting the quartz sample E to obtain a final purified product. The invention further provides a pegmatite high-purity quartz extraction purity evaluation method. According to the invention, purification of pegmatite high-purity quartz is realized, and grading evaluation of the purified quartz is realized.

The invention particularly discloses a granite pegmatite purification method. The method comprises the steps of pretreatment, primary flotation, drying purification, water quenching, acidification, secondary flotation and drying. According to the method, the quartz sand is subjected to primary flotation before drying and purification, so that most associated minerals in the quartz sand can be removed, and the material cost in the subsequent purification and acidification process is saved; meanwhile, the drying purification process and the low-temperature water quenching process are combined together, the quartz sand dried at the front end is directly purified, lattice impurities in the preheated quartz sand in the drying process can react with a purifying agent more efficiently, and the purified quartz sand can directly flow into a skip car filled with liquid nitrogen at the high temperature; on one hand, larger temperature difference can be achieved, and on the other hand, the materials can be prevented from being polluted in the transferring process. Therefore, the granite pegmatite purification method provided by the invention can effectively remove lattice impurities in the quartz sand, and has the characteristics of simple process and high purification efficiency.

The invention provides a collecting agent composition for flotation of rutile, a process for preparing high-purity quartz sand from titanium-containing pegmatite and the high-purity quartz sand, and particularly relates to the technical field of quartz sand preparation. The collecting agent composition for flotation of rutile is composed of a main collecting agent, an auxiliary collecting agent and a surfactant according to the mass ratio of (1-3): (1-3): 2. The main collecting agent is a phosphoric acid collecting agent, and the auxiliary collecting agent is fatty alcohol. The phosphoric acid collecting agent serves as a main collecting agent, the fatty alcohol serves as an auxiliary collecting agent, and meanwhile the flotation efficiency is improved through the surface active agent. The composition shows excellent selectivity and collection effect on rutile. By introducing the auxiliary collecting agent, the use amount of the phosphoric acid collecting agent is effectively reduced, and therefore the production cost of the whole flotation process is remarkably reduced. According to the collecting agent composition, the flotation efficiency of rutile is improved, the use cost is reduced, and the development of downstream industries is promoted.

This invention discloses a method for exploring rare metal deposits in pegmatites in high-altitude and cold regions, comprising: acquiring data on high-altitude and cold regions; using the acquired data to explore the ore-bearing strata, ore-controlling structures, distribution patterns of pegmatite veins, and the distribution range of ore-bearing and ore-free pegmatites within the mining area; based on the exploration results, comprehensively delineating surface ore-bearing geological bodies using remote sensing geological interpretation, geological mapping, and geochemical methods, and determining the spatial distribution morphology of ore-bearing geological bodies at depth using geophysical measurement methods; conducting deep verification using drilling methods; establishing a prospecting model based on the acquired data and exploration results; and combining the prospecting model to extract indicator information of favorable mineralization areas in the region and delineating prospecting target areas. This invention, by combining remote sensing geological interpretation, geological mapping, geochemical methods, and geophysical measurement methods, can accurately obtain the location information of rare metal deposits in pegmatites.

The invention discloses an intelligent recognition green separation method and system for pegmatite type lithium ores, and relates to the technical field of mineral recognition and separation. Training an intelligent identification and sorting decision model; ore pretreatment and intelligent roughing waste throwing; stage ore grinding and intelligent real-time separation; by means of the method, the high recovery rate of lithium minerals and high-grade concentrate output can be achieved.

The invention relates to the technical field of mineral processing, and provides a synergistic enrichment method for associated niobium, tantalum, tin and rare earth in pegmatite type spodumene ore, which comprises the following steps: crushing pegmatite type spodumene raw ore associated with niobium, tantalum, tin and rare earth to obtain crushed minerals; the crushed minerals are ground, and ground ore pulp is obtained; pulp mixing is conducted on the ore grinding pulp, and to-be-separated ore pulp is obtained; the to-be-separated ore pulp is subjected to gravity separation, and gravity concentrate and final tailings are obtained; the gravity concentrate is subjected to strong magnetic separation, and niobium tantalum-tin-rare earth concentrate and magnetic separation tailings are obtained; the niobium-tantalum-tin-rare earth concentrate is subjected to electric separation, and iron-tin-containing concentrate and electric separation tailings are obtained; and the electric separation tailings are subjected to flotation separation, and rare earth concentrate and niobium-tantalum concentrate are obtained. According to the collaborative enrichment method, efficient recovery of niobium and tantalum can be achieved, efficient enrichment of tin and rare earth can be achieved, and therefore the utilization rate of niobium, tantalum, tin and rare earth in ore can be greatly increased.

The application discloses a sulfuric acid-free and hydrofluoric acid-free reverse flotation method for preparing high-purity quartz sand from pegmatite, and belongs to the technical field of mineral flotation. The application removes iron impurities from the crushed and ground pegmatite by magnetic separation to obtain non-magnetic mixed ore; then, a combined collector 1 composed of anion and cation collectors is added into the non-magnetic mixed ore, mica flotation is carried out without adjusting the pH of the ore slurry, and mica foam products and mixed mineral slurry containing feldspar and quartz are obtained; then, mixed depressants and a combined collector 2 are added into the mixed mineral slurry containing feldspar and quartz to carry out quartz reverse flotation, and feldspar foam products and quartz products with a purity of more than 2N are obtained; finally, the feldspar foam products can be further subjected to fine selection to obtain final feldspar products. The process flow is simple, the conditions are mild, and the process is sulfuric acid-free and hydrofluoric acid-free, so that the corrosion degree of the equipment is low, the environmental pollution is small, and the process is suitable for industrial application.

The invention relates to a pegmatite type lithium ore prediction method and system based on Li / La element ratio abnormity, belongs to the technical field of mineral quantitative prediction, and solves the problem that in current pegmatite type lithium ore prediction, key mineralization indexes are not determined, so that mineralization information extraction and prediction are not accurate enough. The method comprises the following steps: obtaining and constructing a hierarchical lithium ore knowledge graph based on mining area literature data, and performing knowledge reasoning retrieval based on the hierarchical lithium ore knowledge graph to determine key features for controlling mineralization; extracting the key features according to geochemical data of a predicted mining area, and determining a ratio of the key features; and carrying out anomaly judgment on the ratio so as to carry out mineralization prediction on the pegmatite type lithium ore. And through knowledge reasoning retrieval of the hierarchical lithium ore knowledge graph, key metallogenic indexes are found to carry out metallogenic prediction on pegmatite type lithium ore, so that metallogenic information can be extracted more accurately and a mining area can be predicted more accurately.

The application discloses a kind of wet digestion methods of difficultly soluble granite pegmatite, comprising the following steps: S1: taking granite pegmatite solid sample is placed in digestion tank;S2: adding nitric acid and hydrofluoric acid digestion liquid A consisting of, make digestion liquid A fully wet sample, seal digestion tank and carry out pre-digestion;S3: after pre-digestion is finished, cooling, then adding digestion liquid B consisting of perchloric acid, nitric acid and hydrofluoric acid is heated and digested.The wet digestion method of the application overcomes the deficiency of general sample dissolving method, so that difficultly soluble granite pegmatite can be more completely dissolved, and the accuracy of metal impurity content detection in granite pegmatite is improved.

The application discloses a method for extracting lithium, cesium and rubidium from pegmatite lithium concentrate, comprising the following steps: step 1, uniformly mixing mixed roasting additives with pegmatite lithium concentrate to obtain a mixture; step 2, performing alkali roasting on the mixture to obtain a calcine containing lithium, rubidium and cesium; step 3, finely grinding the calcine containing lithium, rubidium and cesium, and then adding a leaching agent to leach the calcine to obtain a solution containing lithium, rubidium and cesium; and step 4, extracting lithium, rubidium and cesium from the solution containing lithium, rubidium and cesium. By adding mixed roasting additives to the pegmatite lithium concentrate raw material, low-temperature alkali roasting can be realized. In addition, the method provided by the application can be used for large-scale industrial production, is energy-saving and environment-friendly, low in cost, and has a wide popularization prospect.

The invention provides high-purity quartz prepared by purifying granite pegmatite and a preparation method, and the preparation method comprises the following steps: pretreating granite pegmatite to obtain first quartz particles; performing high-temperature calcination and hydrothermal acid leaching on the first quartz particles to obtain second quartz particles; carrying out secondary scrubbing-flotation, washing and drying on the second quartz particles to obtain third quartz particles; performing chloridizing roasting, acid leaching, filtering, washing and drying on the third quartz particles to obtain the high-purity quartz. According to the method provided by the invention, dark impurity minerals can be deeply removed by combining three sections of strong magnetic separation, high-temperature calcination and hydrothermal acid leaching, tourmaline and quartz particles are fully dissociated or removed through acid dissolution, and the total removal rate of impurities of B, Fe, Al, Mg, Na and Li is greater than or equal to 99.9%. The mass percentage content of SiO2 in the prepared high-purity quartz can reach 99.995% (4N5) or above.

The application discloses a pegmatite high-purity quartz purification method and a purity extraction evaluation method, wherein the purification method comprises the following steps: S1, selecting a quartz sample C from a pegmatite high-purity quartz sample collected from the field by means of naked eye observation, microscopic slice observation and whole rock analysis; S2, performing laser confocal Raman spectrum determination on the quartz sample C to obtain typical characteristic peak value data and lattice Al data of fluid inclusions in the quartz sample C, removing the quartz sample that does not meet the requirements based on the lattice Al data to obtain a quartz sample D; S3, performing fluid inclusion temperature measurement on the screened quartz sample D, and selecting a quartz sample E with a homogenization temperature less than 600 DEG C from the quartz sample D; and performing explosion on the quartz sample E to obtain a final purified product. The application also provides a purity extraction evaluation method for the pegmatite high-purity quartz. The application realizes purification of the pegmatite high-purity quartz and grading evaluation of the purified quartz.

The present invention belongs to the field of high-purity quartz preparation and relates to a method for preparing 4N8-grade high-purity quartz sand from pegmatite quartz. The method comprises: step 1: subjecting quartz concentrate obtained from pegmatite granite to a first acid leaching with a first acid solution, followed by washing and drying to obtain primary quartz sand and leachate III; step 2: subjecting the primary quartz sand to doping, roasting, water quenching, and drying to obtain primary mineral; step 3: subjecting the primary mineral to a second acid leaching with a second acid solution, followed by washing and drying to obtain intermediate quartz sand and leachate II; step 4: subjecting the intermediate quartz sand to a third acid leaching with a third acid solution, followed by washing and drying to obtain high-purity quartz sand and leachate I. The novel three-stage leaching and two-stage roasting / calcining process of the present invention is simple, easy to operate, has low energy consumption, and has excellent purification effects. It can produce a high-purity quartz sand product with SiO2 ≥ 99.998% while reducing leachate consumption.

The invention discloses a comprehensive prospecting prediction method for pegmatite type lithium ore, and relates to the technical field of pegmatite type lithium ore detection. The method comprises the following steps: delineating a large-scale geochemical exploration working area according to small-scale geochemical exploration anomalies; sampling 1: 50,000 water-based sediments; testing the water-based sediment sample, processing data and mapping; interpreting and evaluating geochemical exploration anomaly; geological survey of the prospecting target area; acquiring and processing hyperspectral remote sensing data; rock ground collection and feature analysis; extracting spodumene pegmatite from a hyperspectral remote sensing satellite image; predicting spodumene pegmatite vein in a regional range; and verifying the prediction effect. According to the comprehensive prospecting prediction method for the pegmatite type lithium ore, prospecting prediction is carried out by integrating multiple methods such as geology, geochemical exploration, remote sensing and hyperspectrum, the prediction precision and exploration efficiency of the pegmatite type lithium ore can be remarkably improved, and the increasing lithium requirement is met.

The application relates to a pegmatite type lithium ore prediction method and system based on Li / La element ratio anomaly, and belongs to the technical field of mineral quantitative prediction. The application solves the problem that key ore-forming indexes are uncertain in current pegmatite type lithium ore prediction, leading to inaccurate extraction and prediction of ore-forming information. A hierarchical lithium ore knowledge graph is constructed based on obtained mine area literature data, knowledge reasoning retrieval is performed based on the hierarchical lithium ore knowledge graph, and key features controlling ore formation are determined. The key features are extracted according to the geochemical data of the predicted mine area, and the ratios of the key features are determined. The ratios are subjected to anomaly determination to predict the ore formation of the pegmatite type lithium ore. Through knowledge reasoning retrieval of the hierarchical lithium ore knowledge graph, key ore-forming indexes are found to predict the ore formation of the pegmatite type lithium ore, so as to more accurately extract ore-forming information and predict the mine area.

The invention discloses a dynamic exploration method and system for pegmatite type lithium ore, and relates to the technical field of geological mineral exploration, and the method comprises the following steps: preliminarily determining a prospecting target area and designing a drilling trajectory; drilling is carried out, and in-situ measurement is carried out on the extracted rock core or the drilled well wall by using an underground LIBS in-situ measurement unit while drilling; the underground LIBS in-situ measurement unit is used for converting spectral data acquired by in-situ measurement into element content; the element content is input into a surrounding rock temperature field simulation unit, a surrounding rock paleotemperature field is inverted, and a lithium enrichment favorable section of the current drill hole is recognized and output; and the dynamic exploration decision-making unit integrates the in-situ measurement result of the underground LIBS in-situ measurement unit and the temperature field simulation result, evaluates the current drilling effect and makes a decision. According to the invention, accurate prediction and efficient exploration of lithium ore resources are realized through multi-technology fusion.

The invention provides a method and a device for judging the lithium ore potential in pegmatite, electronic equipment and a storage medium, the method indirectly and quickly judges the lithium ore potential of granite pegmatite by analyzing the microelement geochemical characteristics of key minerals, muscovite and potassium feldspar in pegmatite, namely the ratio of major elements to microelements, so that the lithium ore potential of pegmatite is judged. By means of the method, pegmatite type lithium ore exploration can be partially converted into intelligent diagnosis based on a geochemical model from physical labor depending on a large amount of survey verification, and therefore more accurate, faster and more economical prospecting breakthrough is promoted to be achieved in the mineral exploration industry.

The application discloses a lithium ore granite pegmatite vein ore body precise positioning detection method and relates to the technical field of mineral resources exploration. The method circumscribes a first target area through regionalized exploration, then arranges a comprehensive detection profile in the target area, uses the spatial superposition constraint of four methods of high-density resistivity, time-domain induced polarization, ground gamma energy spectrum and portable X-ray fluorescence spectrum to exclude false anomalies of carbonaceous slate and feldspar veins, determines a continuous section meeting multi-condition coupling as a precise positioning target area, further generates a three-dimensional resistivity body and a polarization rate body based on multi-profile inversion data, extracts a resistivity equipotential surface to predict the spatial distribution of the pegmatite vein body, and designs a verification borehole. In the drilling verification link, a local natural mineral base material is compounded with an environment-friendly mud, layered adaptive drilling is adopted, drill cuttings-mud in-situ aerobic composting is carried out, and the composting products are backfilled and repaired in cooperation with local dominant plant seeds, so that rapid ecological restoration is realized.

The present invention belongs to the field of high-purity quartz preparation and relates to a method for directional removal of impurity elements in pegmatite-type high-purity quartz, comprising: (1) crushing the raw material with a crusher, washing, grinding, grading, gravity separation, and flotation to obtain quartz concentrate; (2) adding the raw material to a leaching solution A for constant temperature and micro-pressure leaching to obtain primary quartz sand by washing; the leaching solution A is a mixed acid of HF, HCl, and HNO3, wherein the HF concentration is 1-6 mol / L, the HCl and HNO3 concentration ratio is 3-12:1, the HCl+HNO3 and HF concentration ratio is ≤3, and the sum of the three concentrations is ≥3 mol / L; (3) roasting and water quenching to obtain intermediate quartz sand; (4) adding the raw material to a leaching solution B for ultrasonic leaching, washing, and high-temperature heat treatment to obtain high-purity quartz sand; the leaching solution B is a mixed acid of HF and HCl, wherein the HF concentration is 0.5-2 mol / L, and the HCl and HF concentration ratio is ≤3. The method can obtain 4N8 grade high-purity quartz sand with high yield, simple process, and easy operation.

The invention provides a method for determining a saturated crystallization process of spodumene in pegmatite, and belongs to the crossing field of rare metal ore deposit science and mineral in-situ analysis. According to the method, after a sample is collected and prepared into a probe piece, a saturated crystallization potential microcell is locked through muscovite oriented lithofacies-composition characterization; dividing a spodumene core-mantle-edge structure by means of the color cold cathode luminescence image girdle characteristics, and adjusting beam spots according to the girdle width to carry out LA-ICP-MS in-situ analysis; and finally, establishing a muscovite Ta / Nb ratio-spodumene Fe / Mn ratio synchronous response model, and accurately judging the saturated crystallization process. The method breaks through the limitation of single mineral analysis, solves the problems of inaccurate and non-systematic judgment in the prior art, and provides reliable technical support for pegmatite lithium mineralization research.

The invention provides a granite pegmatite particle size morphology control method and a method for separating quartz from granite pegmatite, and relates to the technical field of ore dressing. The particle size range of the granite pegmatite particles obtained through the particle size and morphology regulation and control method is 109-355 microns, and it can be guaranteed that the granite pegmatite particles are in the particle size range suitable for flotation; the fractal dimension is less than or equal to 1.15, so that the granite pegmatite particles are low in fractal dimension and good in uniformity and regularity; the specific surface area is greater than or equal to 0.08 m < 2 > / g, so that the granite pegmatite particles are high in surface roughness and good in medicament adsorption and impurity removal efficiency. When the obtained granite pegmatite particles are subjected to reverse flotation separation, a collecting agent can be selectively and uniformly adsorbed on impurities, so that quartz is kept hydrophilic, meanwhile, the effective collision probability of the quartz in the granite pegmatite particles and flotation bubbles is increased, selective separation of the quartz and feldspar is achieved, and the quality of the quartz is improved. And the obtained quartz is high in grade and recovery rate.

This invention provides a method for preparing high-purity quartz sand from granite pegmatite, belonging to the field of high-purity quartz sand processing technology. The invention includes the following steps: crushing and screening, washing and color sorting, primary calcination and water quenching, sand making and grading, magnetic and gravity separation, flotation, secondary calcination and water quenching, primary acid washing and drying, high-temperature chlorination, secondary acid washing, and sand baking. The method for preparing high-purity quartz sand from granite pegmatite provided by this invention is simple, has low production costs, and can obtain high-purity quartz sand with stable product quality and high purity.

The application provides a granitic pegmatite granularity inversion method and device and a computing device, and relates to the technical field of mineral exploration.The application obtains multi-angle reflectivity spectrum data of a plurality of particle samples, the particle samples are ore bodies with different particle sizes and include one or more end-member minerals, and the multi-angle reflectivity spectrum data includes reflectivity corresponding to each observation condition parameter in a plurality of observation condition parameters.A target observation condition parameter is determined according to the multi-angle reflectivity spectrum data; a linear regression equation of the particle size of the granitic pegmatite is determined according to the target observation condition parameter based on a Hapke model; and the particle size distribution of the granitic pegmatite in a granitic pegmatite image is determined according to the linear regression equation.The method provided by the application can realize qualitative analysis and quantitative inversion of remote sensing of the granitic pegmatite, solve the problems of low accuracy of target area delineation and difficulty in distinguishing similar spectra, realize rapid detection of the granitic pegmatite, and improve the efficiency of ore prospecting.

The present invention provides a method for determining observation condition parameters for granite pegmatite inversion, relating to the technical field of mineral detection. The present invention obtains multi-angle reflectance spectral data of multiple particle samples, determines multiple sample data based on the multi-angle reflectance spectral data, and each sample data includes a dimensionless bidirectional reflectance factor corresponding to each characteristic wavelength of each particle sample in the multiple particle samples corresponding to an observation condition parameter. The multiple sample data are input into a trained convolutional neural network model, and an importance score corresponding to each sample data in the multiple sample data is output. The observation condition parameter included in the target sample data is determined as the target observation condition parameter, and the importance score of the target sample data is the maximum value among the importance scores of the multiple sample data. This improves the accuracy and precision of the inversion results of the spectral data observed based on the target observation condition parameter.

The invention relates to the technical field of mineral resource exploration, in particular to a hard rock type rare earth ore exploration method which comprises the following steps: step 1, performing regional geology and remote sensing preliminary screening, performing full-coverage aerial survey by adopting an unmanned aerial vehicle carrying a hyperspectral imager and an L DAR, interpreting a linear structure and an annular structure in combination with a satellite image, and performing remote sensing and remote sensing preliminary screening; an overlapping area of hyperspectral rare earth mineral abnormity, a fracture structure dense area and a granite / pegmatite exposure area is screened out to serve as a detailed investigation target area; compared with manual mapping, the unmanned aerial vehicle aerial survey coverage efficiency is improved by 10 times, the daily progress of a ground detection platform is improved by 3 times, the whole-process exploration period is shortened to 6-12 months, the hidden ore body prediction error is smaller than or equal to 15% through multi-source data fusion and a machine learning model, the drilling hit rate is improved to 70% or above, the whole process from data collection to target area decision making is automatic, and the method has the advantages of being high in practicability and high in practicability. Manual intervention is reduced, and complex terrain operation risks are reduced.

The present application relates to the technical field of mineral flotation, in particular to a kind of coarse-grained spodumene reinforced flotation collector and application.The collector includes specific content of sodium carbonate, fatty acid, betaine series surfactant, neutral oil and terpineol or methyl isobutyl carbinol.The present application also provides the application of the collector, which focuses on the reinforced flotation of pegmatite coarse-grained spodumene ore.The key is that the grinding fineness of spodumene ore only needs to be 45%-70% of-0.074mm, after removing magnetic gangue minerals from the ore slurry by magnetic separation, the above-mentioned collector is used for one roughing, one cleaning and one scavenging to obtain spodumene concentrate product.When the Li2O grade of raw ore is 0.8%-1.8%, the spodumene concentrate grade can reach 5.8%-6.5% and the recovery rate is 80%-90% by using the above-mentioned process with the collector of the present application.The present application not only greatly reduces the grinding load and cost of spodumene ore, but also simplifies the process flow and improves the separation efficiency.

The invention discloses a geologic body mineral content evaluation method based on mineral spectral data, and relates to the technical field of mineral products. The method comprises the following steps: acquiring a peripheral constraint region of a first target region, acquiring spectral data of a plurality of mineral samples in the peripheral constraint region, and performing mineral matching degree analysis on the spectral data of the mineral samples in the peripheral constraint region and spectral data of at least one target mineral in a reference spectral database, and determining the mineral content of the first target area. The geologic body mineral-bearing property evaluation method based on mineral spectrum data is used for efficiently evaluating the mineral-bearing property of pegmatite vein in an aeolian sand coverage area.

The invention relates to the technical field of geological exploration, and discloses a method for searching hidden granite pegmatite type lithium deposit multivariate information. By establishing the pegmatite type lithium ore vertical zoning model and the pointer mineralogy exploration model, the understanding of the lithium ore distribution rule and the formation mechanism is improved, and a scientific basis is provided for subsequent exploration work; by creating the prospecting model of the concealed pegmatite type lithium ore and combining comprehensive analysis of various information, the recognition capability of the deep concealed ore body is improved; meanwhile, through research and development of geology, geophysics (AMT), geoelectrochemistry and remote sensing multivariate information comprehensive prospecting technology combination, fusion analysis of multi-source data is achieved, and exploration efficiency and accuracy are improved.