124 results about "Prospecting" patented technology

The invention discloses a tungsten deposit deep edge metallogenic prediction method based on machine learning, and particularly relates to the technical field of geological prediction and data processing. The method comprises the following steps: acquiring multi-source geological data, constructing a multi-dimensional space grid, and dividing candidate prediction units; quartz vein density, alteration indexes, geochemical combination anomaly weights and high-frequency magnetic anomaly waveform features are extracted, and an ore control feature tensor matrix is constructed; extracting a spatial dependency relationship among the candidate units based on a graph neural network, constructing a metallogenic potential prediction model, and outputting a metallogenic probability graph and a metallogenic hot spot graph; model parameters and feature weights are dynamically optimized through spatial superposition analysis and an abnormal response recognition mechanism; according to the method, the precision and efficiency of deep edge tungsten ore prospecting can be remarkably improved, and good self-adaptability and popularization and application value are achieved.

The invention provides an intelligent prospecting method and device, electronic equipment and a storage medium. The problem that a satellite-borne platform or an airborne platform is not high in prospecting precision is effectively solved. The method comprises the steps of performing continuous imaging on a target to-be-measured mining area to obtain multi-frame remote sensing data, and preprocessing the multi-frame remote sensing data to obtain a target hyperspectral image sequence; selecting a reference frame and a to-be-registered sequence frame for registration, and superposing all registered images to intercept a public overlapping region image; carrying out collaborative quality enhancement reconstruction on the public overlapping region image to obtain a hyperspectral image, and respectively carrying out altered mineral and structural element identification on the hyperspectral image to obtain a mineral distribution map and a classification structural map; and fusing the mineral distribution map, the classification structure map and a preset geological metallogenic rule to obtain a prospecting distant view map with a prospecting mark, so as to complete intelligent prospecting of the target to-be-detected mining area based on the prospecting distant view map.

The invention discloses a sampling device for traffic geology surveying and mapping exploration, and relates to the field of geological prospecting, the sampling device comprises a U-shaped moving plate and a sampling pipe, the sampling pipe is located above a U-shaped groove of the U-shaped moving plate, a drill bit is installed at the bottom end of the sampling pipe, a sleeve is arranged in the sampling pipe, two annular blocks are fixed on the inner wall of the sleeve, a vertical rod is arranged in the sleeve, and the vertical rod is connected with the drill bit. A threaded pipe is arranged on the upper surface of the drill bit, a movable cavity is formed in the pipe wall of the threaded pipe, a movable plate is slidably installed in the movable cavity, the bottom end of the movable plate penetrates out of the movable cavity to be fixedly connected with the top end of the drill bit, internal threads are arranged on the inner wall of the bottom end of the sampling pipe, and external threads of the threaded pipe are connected with the internal threads in a meshed mode; according to the rotary drilling device, the drill bit can form continuous and stable impact crushing action, drilling resistance caused by hard rock strata and special geological structures is effectively broken through, and propelling difficulty caused by pure rotary drilling is avoided.

The invention provides an electromagnetic interference source positioning method and system in electrical prospecting, and the method comprises the steps: collecting electrical prospecting electromagnetic signal data, extracting multi-domain features, and generating a feature matrix fusing time-frequency-space three domains; and constructing and updating the electrical prospecting digital twin model in real time. And performing anomaly detection to obtain a result containing electromagnetic interference source position data, calculating a delay inequality according to the detection result, and constructing a hyperboloid positioning equation set. And solving the equation set by using an optimization algorithm, and outputting three-dimensional coordinates of the electromagnetic interference source. According to the model, a three-dimensional initial digital twinborn body is constructed based on initial conditions, real-time data are fused by using a filtering algorithm, parameters and characteristics are dynamically corrected, and real-time synchronization with an actual environment is realized. During positioning, the multi-source information fusion method forms a'model-data 'dual-drive calibration mechanism through geological constraint calibration and real-time data calibration, ensures that an equation set adapts to actual propagation characteristics, reduces positioning errors, and improves positioning precision and robustness.

The invention discloses a long-distance and short-distance combined advanced geological forecasting method and system and storage equipment, belongs to the technical field of geological forecasting, and can solve the problem that long-distance accurate forecasting is difficult in the prior art. The method comprises the following steps: S1, constructing a three-dimensional geological model within a first length range from a tunnel face in a to-be-constructed area according to exposed geological information of a constructed area, and predicting a first heteroplasmon within the first length range based on the three-dimensional geological model; s2, predicting a second heteroplasmon within a first length range by using an electromagnetic prospecting method, and correcting the three-dimensional geologic model by using the second heteroplasmon; s3, determining a wave velocity parameter within a second length range from the tunnel face by using a seismic exploration method, and predicting a third heteroplasmon within the second length range based on the wave velocity parameter; and S4, correcting wave velocity parameters according to the first heteroplasmon, the second heteroplasmon and the third heteroplasmon, and carrying out geological forecast according to the corrected wave velocity parameters and the corrected three-dimensional geological model. The method is used for geological forecast.

The utility model discloses a geophysical prospecting instrument wiring device for geological prospecting, which comprises a weather-proof plastic shell, an inner cavity and a partition plate are arranged in the weather-proof plastic shell, the front side and the rear side of the shell are respectively provided with two groups of holes for introducing cables, and rubber sealing rings are arranged at the holes; two groups of pure copper wire connectors are mounted on a bracket at the bottom of the inner cavity, bolt holes and square holes are formed in two ends of the wire connectors, and slidable n-shaped wire pressing plates are mounted on the square holes; lower bolt holes are formed in the left side and the right side of the shell, and the upper detachable cover body is provided with a waterproof ring and upper bolt holes. And a mortise and tenon groove is formed below the shell and matched with a mortise and tenon of the cover body. According to the utility model, the weather-proof plastic shell is adopted to protect the internal pure copper wiring mechanism, and stable conductive connection is realized through the combination of the wire pressing plate and the wire connector; the modular mortise and tenon design supports series connection of multiple devices, and the waterproof performance is ensured through double-layer sealing rings and drainage grooves; the design of the sealing ring and the partition plate effectively prevents short circuit, the buffer gasket enhances the wiring stability, and the whole structure adapts to the field severe environment and has durability and safety.

The invention provides a rock water content obtaining method based on one-dimensional nuclear magnetism, pyrolysis and extraction experiments, and relates to the field of geological prospecting, the method comprises the following steps: extracting hydrocarbon-containing fluid in a rock sample by using an oil-water amphiphilic solvent; carrying out a rock pyrolysis experiment on the sample after extraction to obtain an extraction advance value, an extraction advance value and a post-extraction value, and calculating the hydrocarbon content of the sample; carrying out a one-dimensional nuclear magnetic resonance experiment of the pre-extracted sample to obtain a pre-extracted nuclear magnetic resonance signal; carrying out a one-dimensional nuclear magnetic resonance experiment on the extracted sample to obtain an extracted nuclear magnetic resonance signal; acquiring the fluid content of the sample according to the nuclear magnetic resonance signal before extraction and the nuclear magnetic resonance signal after extraction; and calculating the water content of the sample according to the hydrocarbon content and the fluid content. The technical scheme of the invention is suitable for reservoir evaluation, resource quantity calculation, reservoir fluid monitoring in the development process and other scenes.

The invention discloses a regional prospecting method and system based on multi-element space coupling of a metallogenic system, and belongs to the technical field of mineral resource prospecting prediction and comprehensive modeling of the metallogenic system. The method comprises the following steps: acquiring multi-source spatial data covering a mine concentration area; according to a process mechanism of a metallogenic system, converting and constructing the multi-source spatial data into a background domain, a transmission domain, an ore containing domain and a target domain to indicate spatial distribution indexes; constructing a comprehensive metallogenic potential index for representing a spatial distribution pattern of the regional metallogenic potential; an uncertainty prediction index is constructed based on the consistency deviation degree between the domain index responses and the local difference, and synchronous credibility quantification is carried out on the comprehensive mineralization potential evaluation result; and in combination with a joint discriminant relationship between the mineralization potential index and the uncertainty index, performing classified screening and target region delineation on the regional mineralization abnormal unit, so as to realize continuous quantitative prediction of the regional scale mineralization potential and optimization of the prospecting target region, and provide a mineral geological exploration service developed by using a high technology.

The invention provides an efficient cooperative construction method, device and equipment for simultaneous operation of multiple geophysical prospecting teams, relates to the technical field of seismic prospecting, and aims to solve the problem that the construction efficiency is low under the condition that the distance between shot points constructed by the multiple geophysical prospecting teams in the same time window in adjacent work areas is smaller than the minimum distance of synchronous excitation in the prior art. The method comprises the following steps: integrating adjacent work areas for analysis, calculating the lower limit value of the root-mean-square energy of the upper cannon interference of a conventional production cannon, and drawing a first time distance curve meeting the condition that the upper cannon interference is not greater than that of the production cannon by utilizing a single-cannon data single-cannon energy attenuation time-space domain distribution plane graph of a long-record long-arrangement-point test; according to the seismic data of the work area, obtaining the lowest refracted wave speed, and calculating a second time distance relation curve when the last shot refracted wave does not enter the single shot data; and an area clamped by the first gun loading interference time distance curve and the second gun loading interference time distance curve is used as a distance range of staggered excitation of two guns in adjacent work areas, a blasting time interval is dynamically calculated, and staggered excitation is carried out.

The utility model relates to the technical field of geological sample sampling devices, and discloses a geological stratified sampling device for geological mining, which comprises a movable base provided with a central hole, and a limiting ring rotatably connected in the central hole; the sampling barrel selectively penetrates through the central hole; the telescopic sleeves are sequentially connected in a sliding mode from the outer side to the inner side in the vertical direction, the telescopic sleeve on the outermost side is connected with the inner side wall of the limiting ring in a sliding mode, the inner side wall of the telescopic sleeve on the innermost side is connected with the sampling barrel in a sliding mode, and the sampling barrel can drive the telescopic sleeve on the innermost side to synchronously move downwards. And then the multiple sections of telescopic sleeves from the inner side to the outer side are driven to be sequentially embedded in the drill hole. The sampling barrel can drive the telescopic sleeve on the innermost side to synchronously move downwards, then the multiple sections of telescopic sleeves are driven to be sequentially embedded in a drill hole, collapse of the drill hole is avoided, and layered multi-time sampling of stratums with different depths is achieved.

The application discloses a sampling device for traffic geological surveying and prospecting, and relates to the field of geological prospecting, which comprises a U-shaped moving plate and a sampling pipe, the sampling pipe is located above the U-shaped groove of the U-shaped moving plate, the bottom end of the sampling pipe is provided with a drill bit, the inside of the sampling pipe is provided with a sleeve, the inner wall of the sleeve is fixedly provided with two annular blocks, the inside of the sleeve is provided with vertical rods, the vertical rods all penetrate through the two annular blocks and are in sliding connection, the upper surface of the drill bit is provided with a threaded pipe, the pipe wall of the threaded pipe is provided with a movable cavity, a movable plate is slidingly installed in the movable cavity, the bottom end of the movable plate penetrates out of the movable cavity and is fixedly connected with the top end of the drill bit, the bottom end inner wall of the sampling pipe is provided with an internal thread, the external thread of the threaded pipe is in meshing connection with the internal thread, and the center of the upper surface of the drill bit is fixedly provided with a top rod. The application can make the drill bit form a continuous and stable impact breaking action, effectively break through the drilling resistance caused by hard rock layers and special geological structure, and avoid the pushing difficulty caused by simple rotary drilling.

The application provides a sandstone type copper mine prospecting device, and relates to the technical field of geological surveying.The device comprises a first tripod and a second tripod, three groups of guide rods are arranged between the first tripod and the second tripod, three groups of sliding racks are slidably connected to the guide rods, and three groups of supports are arranged on the second tripod.The device further comprises an anti-overload mechanism, the anti-overload mechanism comprises a mounting frame, a first turn wheel is arranged on the upper surface of the mounting frame, a second turn wheel is arranged on the lower surface of the mounting frame, a plurality of clamping grooves are arranged on the surfaces of the first turn wheel and the second turn wheel, three groups of fixing shafts are arranged between the mounting frame, a connecting plate is fixedly connected to the lower end surface of the mounting frame, a drilling pipe is arranged on the lower end surface of the connecting plate, and the drilling pipe is rotatably connected to the second tripod.The device solves the problem that the motor is overloaded due to the jamming of the drilling pipe of the traditional prospecting device under complex geological conditions by means of the anti-overload mechanism.

The application provides a cave sampling device for prospecting, and relates to the field of prospecting.The sampling device is mainly composed of an upper fixing disc, a lower fixing disc, a lead screw, a light screw, a motor, a sliding block, a sampling drill, a transmission mechanism, a feeding mechanism and a material receiving chute.The upper fixing disc and the lower fixing disc are used for fixing the sampling device in a cave.The sliding block, the lead screw, the light screw and the motor form a linear motion mechanism moving in the vertical direction.The feeding mechanism and the transmission mechanism are used for driving the sampling drill to sample.The material receiving chute is arranged below the sampling drill and is used for collecting the falling geological samples.The application realizes continuous sampling of the cave in a certain depth interval, and can put the drilled geological samples into the corresponding height storage compartment, so that the geological exploration personnel can intuitively and clearly establish the relationship between the sampled geological samples and the cave depth.The application has a clever and compact structure, and minimizes the outer diameter of the sampling device, thereby greatly reducing the excavation cost of the cave.

The invention provides an ocean polymetallic crusting mineralization prediction method. The method comprises the following steps: establishing a mineral-geochemical mapping model reflecting an occurrence mechanism of mineralization elements; constructing a multi-factor coupling metallogenic mechanism judgment model for comprehensively representing three types of control factors, namely a hydrodynamic condition, a seawater geochemical condition and a microbial action; the method comprises the following steps: establishing quantitative evaluation indexes corresponding to the biogeochemical process of each stage according to three microscopic growth stages of multi-metal crusting from colloid formation, metal adsorption to precipitation mineralization, and forming a microscopic mineralization stage evaluation system; coupling a mineral-geochemical mapping model, a multi-factor coupling metallogenic mechanism judgment model and a microscopic metallogenic stage evaluation system, and establishing a bidirectional simulation model; and inputting known crusting quality parameters, inverting the bidirectional simulation model and outputting deduced macroscopic geological environment characteristics, and screening a sea and mountain area with similar environment characteristics in a target sea area according to the macroscopic geological environment characteristics so as to delineate a favorable prospective area of the multi-metal crusting.

The invention discloses a geochemical logging method and system for mineral exploration, and the method comprises the steps: carrying out the drilling in a selected region, and continuously recording the hydrogen concentration and drilling footage depth at an orifice in real time during the drilling, and forming a first-class geochemical logging gas distribution diagram; after drilling is paused or completed, the hydrogen concentrations of different depths in the drill holes are measured, and a second-class geochemical logging gas distribution diagram is formed; analyzing the first type of geochemical logging gas distribution diagrams and the second type of geochemical logging gas distribution diagrams of the plurality of drill holes, and if the hydrogen concentration of at least one record is greater than a threshold value, taking the drill hole as an abnormal drill hole; analyzing the two types of distribution diagrams of the abnormal drill holes, determining the hydrogen source depth according to the abrupt change point of the hydrogen concentration, and determining the favorable prospecting position according to the hydrogen source depth. According to the method, the hydrogen concentration is measured based on the drill hole, the favorable prospecting position is speculated according to the hydrogen concentration, the method is not limited by depth, the prospecting precision is improved, and a new method and a new thought are provided for deep prospecting.

The invention relates to electromagnetic exploration equipment, and particularly discloses a ground transient electromagnetic exploration device which comprises a movable frame (1), a receiving and transmitting coil (2), a transient electromagnetic instrument (3) electrically connected with the receiving and transmitting coil (2) and an adjusting mechanism, and the receiving and transmitting coil (2) is connected with the movable frame (1) through the adjusting mechanism. The adjusting mechanism comprises a horizontal angle adjusting mechanism (6) used for adjusting the horizontal angle of the transmitting-receiving coil (2), a pitching angle adjusting mechanism (5) used for adjusting the pitching angle of the transmitting-receiving coil (2) and a coil lifting mechanism (7) used for adjusting the relative height between the transmitting-receiving coil (2) and the ground. According to the ground transient electromagnetic exploration device, a worker can be mechanically assisted to move and adjust the receiving and transmitting coil, the working intensity of transient electromagnetic exploration of the worker is reduced, the working efficiency is improved, the exploration error is reduced, and the data comparability and the accuracy of an explanation result are improved.

The invention provides an intelligent prospecting prediction method and device based on big data, and the method comprises the steps: constructing an intelligent prospecting prediction model which comprises a feature extraction module, a feature fusion module and an output module, and enabling the feature extraction module to comprise a first feature extraction branch, a second feature extraction branch, a third feature extraction branch and a fourth feature extraction branch; after multi-source geological data of a to-be-detected area is obtained, the multi-source geological data is input into a corresponding feature extraction branch to obtain corresponding features, and then after feature fusion is performed on the obtained features, an intelligent prospecting prediction result is output. The features of the data of each source are extracted through different feature extraction branches, the features extracted from the data of each source are fused, feature loss is avoided, the richness and accuracy of the fused features are improved, and therefore the accuracy of an intelligent prospecting prediction result is improved.

The invention discloses an electrical prospecting electrode observation system and method suitable for desert landscaps.The method comprises the steps that after electrode points are divided at the position of a preset survey line and a layout area is optimized, a pit body with a certain depth is excavated to avoid a high-resistance weathering layer of the earth surface, wetting treatment is conducted on the pit bottom and the pit wall, and an initial conductive interface is formed; a large-area metal sheet electrode is horizontally arranged in the center of the pit bottom, and a sufficient current conduction surface is provided; the integrity of a signal transmission path is guaranteed by connecting the insulated wire and reasonably leading out; clay or loam with the water content controlled to be 18%-22% is adopted for layer-by-layer backfilling, initial water replenishing is conducted after layer-by-layer compaction, and the equivalent resistance of a medium around an electrode is remarkably reduced; covering a moisturizing material, and standing for not less than 30 minutes, so that moisture fully permeates, and the electric field tends to be stable; dynamically supplementing water according to an environmental evaporation rule during observation, and maintaining a low-resistance state; and finally, accessing an acquisition system to complete potential reading, and evaluating multiplexing conditions after observation is finished.

The invention provides a multi-source geochemical data-based tectonic environment probability discrimination method and equipment, and relates to the technical field of geological prospecting, quality screening is performed on total rock, zircon and apatite data according to metadata of a target igneous rock sample, the influence of original data quality difference on a discrimination result is reduced from a data source, and the discrimination efficiency is improved. The screened total rock element vector, the screened zircon point location data and the screened apatite point location data are subjected to detection limit uniformization through metadata, so that the comparability of cross-batch and cross-laboratory is improved, and false correlation is inhibited; and feature calculation and feature aggregation are performed on the transformed total rock element vector, the transformed zircon point location data and the transformed apatite point location data, so that the problems that multi-point location data fusion is not standard and cross-evidence consistency cannot be quantified are solved, and the judgment stability of a construction environment is improved from multiple aspects.

The invention discloses a sandstone type uranium ore prospecting method based on a fault subsidence boundary fault, and belongs to the technical field of uranium ore geological exploration. Comprising the following steps: S1, determining an underground geological structure; s2, determining fault subsidence and fault types; s3, determining the type of an oxidation zone; s4, determining the type of a gray sand body; s5, forming prediction element combination type codes; s6, determining the type of the favorable area; and S7, determining the accurate position of the favorable area, and realizing prospecting prediction. The method is an efficient and reliable prospecting technical method for the sandstone-type uranium ore, is a high summary of latest prospecting results of the sandstone-type uranium ore by analyzing deep fault subsidence and guiding shallow prospecting, and is high in directivity for prospecting work; different from traditional perceptual prospecting cognition, geological elements are coded and combined, natural element digitization is achieved, mathematical calculation is introduced into prospecting work, and the method is more scientific, more reliable and high in operability; as a specific operable prospecting method, the prospecting efficiency and the prospecting rate can be effectively improved.

The application provides a prospecting method for a halide type lithium-potassium-boron deposit in a foreland basin carbonate rock formation, comprising the following steps: determining a type of a metallogenic potential tectonic unit; determining a type of a metallogenic halide supply potential source; determining a type of a favorable metallogenic tectonic unit; calculating a comprehensive evaluation coefficient of the tectonic unit, screening a favorable exploration tectonic unit; analyzing a metallogenic halide carbonate rock reservoir of the favorable exploration tectonic unit, and delineating a favorable exploration target area; and drilling and verifying the favorable exploration target area, and evaluating the economic value of the favorable exploration target area. The application realizes multi-level prospecting prediction from the selection of a tectonic unit at a whole basin scale to fine evaluation of a local target area, and significantly improves the exploration efficiency and success rate of the halide type lithium-potassium-boron deposit.

The application discloses a method for determining a deep prospecting target area of a skarn type polymetallic deposit by using garnet, and is based on structural alteration lithofacies mapping of a target deposit at different elevations with a scale of 1:500 or larger, and the spatial variation law of the geological characteristics of the deposit is found out. Garnet microfabric identification is carried out, especially the color, structure, structure, generation characteristics of garnet at different spatial positions. Based on the above identification results, in-situ micro-area element content testing of different types of garnet is carried out, and the element content variation law of different types of garnet is found out. The garnet precipitation mechanism is analyzed based on the content of SiO2, Al2O3, FeO, MnO, CaO, W, Sn and Mo. According to the spatial variation of characteristic elements or element combinations, the deep extension mark which can effectively indicate the ore body is extracted, the deep extension law of the polymetallic ore body is determined, and the deep prospecting direction is proposed. The method carries out deep extension and deep positioning of the skarn type polymetallic ore body through characteristic minerals, and provides mineral geochemical basis for deep prospecting of the skarn type polymetallic deposit.

The invention discloses a comprehensive prospecting method and system for tectonic altered rock type antimony ore based on multivariate information fusion. Relates to the technical field of mineral resource exploration and prediction. Comprising the following steps: acquiring hyperspectral remote sensing data of a working area, and delineating a preliminary prospecting prospective area; constructing a deep three-dimensional density structure and a tectonic framework, and identifying an ore control structure of the preliminary prospecting prospective area and the form and spatial distribution of a hidden rock mass to obtain a prospective working area; collecting and analyzing soil and rock geochemical samples in a long-range working area, and determining favorable metallogenic parts; carrying out short-wave infrared spectrum measurement on the drilled core at the favorable mineralization part to obtain mineral spectrum multivariate information; and establishing a prospecting prediction model according to mineral spectrum multivariate information, and guiding to delineate a deep prospecting target region. According to the method, through multi-information complementation and cross-scale data collaboration, precise positioning and deep prediction of the antimony ore body under the complex structure background are achieved, and the exploration efficiency and the prospecting success rate are effectively improved.

The application provides a metallogenic mechanism intelligent identification and visual analysis method, relates to the field of geological resource exploration, and comprises the following steps: constructing a three-dimensional metallogenic probability body model based on multivariate geological data; delimiting a high-probability metallogenic target area based on the three-dimensional metallogenic probability body model, and extracting present mineral assemblage characteristics and whole-rock geochemical component data corresponding to the target area from a high-dimensional feature tensor; performing metallogenic environment thermodynamic inversion based on the principle of Gibbs free energy minimization, in combination with the present mineral assemblage characteristics and the whole-rock geochemical component data, to obtain mineral precipitation evolution sequence data; and performing four-dimensional space-chemical collaborative visualization and interactive decision of the metallogenic mechanism through the three-dimensional metallogenic probability body model and the mineral precipitation evolution sequence data to generate a drilling decision scheme. Through the deep integration of "data driving" and "mechanism verification", the application realizes four-dimensional dynamic reconstruction of the metallogenic mechanism, and significantly improves the accuracy of deep prospecting.

The invention discloses a remote sensing geological prospecting method based on information entropy-partial differential equation combined modeling, and belongs to the technical field of mineral exploration, and the method comprises the steps: extracting a plurality of layers from a remote sensing image, the plurality of layers including a spectral angle map layer, an iron stain alteration grading layer, a hydroxyl alteration grading layer and an indication mineral distribution layer; superposing the multiple layers to generate a comprehensive graph; establishing a target region extraction model, and outputting a target region by taking the comprehensive graph as input; and vectorizing the boundary of the target region, and delineating the position of the target region. According to the information entropy-partial differential equation combined modeling-based remote sensing geological prospecting method disclosed by the invention, visual innovation of mineral space distribution is realized, four mineral identification technologies are cooperatively applied, the mineral strength is quantified into a transparency parameter, the problem of information overload due to multi-layer superposition is solved, automatic and rapid mining area identification is realized, and the mining efficiency is improved. And the identification accuracy is extremely high.

The embodiment of the application provides an intelligent ore-prospecting method and device based on multi-modal data and a control theory model, which comprises the following steps: obtaining a multi-modal data body by fusing and aligning multi-source heterogeneous data of a target mining area; extracting key geological slow variables from the data body as system order parameters based on the Haken slave principle and sparse statistical learning, and classifying the key geological slow variables into resistance and driving force control variables for gridding; then, applying the Thom cusp catastrophe theory to calculate a mutation discriminant value in the whole area; finally, intelligently delineating and optimizing an ore-prospecting target area through anomaly area identification, uncertainty analysis and Bayesian updating driven by real drilling data, and a high-confidence exploration target. The application can improve the accuracy and efficiency of deep ore prospecting.

The application discloses a remote sensing geological prospecting method based on information entropy-partial differential equation joint modeling, and belongs to the technical field of mineral exploration, and comprises the following steps: extracting multiple layers from remote sensing images, wherein the multiple layers comprise a spectral angle mapping layer, an iron staining alteration grading layer, a hydroxyl alteration grading layer and an indicator mineral distribution layer; superimposing the multiple layers to generate a comprehensive map; establishing a target area extraction model, taking the comprehensive map as input and outputting a target area; and vectorizing the target area boundary to delineate the target area position. The remote sensing geological prospecting method based on information entropy-partial differential equation joint modeling realizes mineral spatial distribution visualization innovation, cooperatively applies four mineral identification technologies, quantifies mineral intensity into a transparency parameter, solves the problem of information overload caused by multiple layer superimposition, realizes automatic and rapid identification of a mining area, and has extremely high identification accuracy.

A subsurface mineral exploration system in a terrestrial area includes a current generator configured to generate an injection current (Ic) comprising at least a plurality of circuits, called stages; a control circuit configured to select a group of stages, called active stages, according to a current setpoint and to activate said active stages (20.i) so as to connect the voltage sources in series; the control circuit being configured to measure the injection current (Ic) following the activation of said active stages (20.i), and to issue a fault alarm (DEF) if the measured injection current (Ic) is less than a current threshold (S) determined with respect to the current setpoint (Ic*) for a duration exceeding a predetermined monitoring duration (d1). Abstract figure: Figure 4

The invention discloses a geological body three-dimensional form surface complexity quantitative analysis method, and relates to the technical field of mineral exploration. The method comprises the following steps: extracting three-dimensional data on the surface of a geologic body based on existing three-dimensional modeling software; by constructing a calculation process independent of existing three-dimensional modeling software, a three-dimensional geologic modeling technology, differential geometry and Euclidean distance can be effectively combined; the complexity of the surface of the three-dimensional geologic body is evaluated through a curvature concept in differential geometry; and importing the calculation result of the complexity into the three-dimensional modeling software again so as to realize three-dimensional display of the geologic body. According to the method, geological technicians can conveniently carry out further quantitative analysis on the surface morphology complexity of the three-dimensional model, three-dimensional prospecting information is effectively extracted, a deep prospecting target area is rapidly delineated, a deep prospecting breakthrough is obtained, and obvious economic benefits are obtained.