171 results about "Metallogeny" patented technology

The embodiment of the invention discloses a quantitative prediction method and a quantitative prediction device for a concealed ore body. The method comprises the steps of determining a research area;establishing a prospecting geologic model; obtaining each geological element of the research area and establishing a three-dimensional geological entity model; on the basis of the prospecting geological model, extracting the geological anomaly information, and carrying out three-dimensional metallogenic geological anomaly space reconstruction on the research area; obtaining a quantitative distribution interval of mineralization favorable information, and establishing a regional quantitative prediction model; and carrying out hidden ore body area delineation prediction to realize quantitativeprediction of the ore body. The embodiment of the invention provides a hidden ore body quantitative prediction method and device, and the method combines a currently popular mineral resource three-dimensional prediction technology, a conventional geological theory and existing data information of a research area, and carries out the prediction and evaluation of regional deep mineral resources through employing the theories and methods of mathematical geology and computer technologies. The problem that the prediction efficiency is low due to the fact that the detection accuracy of the three-dimensional prediction technology is not high is solved.

The invention relates to the technical field of sandstone type uranium ore mineralization prediction, and particularly discloses a big data geological analysis method for sandstone type uranium ore mineralization prediction. The method specifically comprises the following steps of 1, collecting data and performing preprocessing to form a database; 2, establishing a sandstone type uranium ore prospecting model; 3, performing technical analysis and effective information extraction on main ore control factors and ore prospecting marks of the to-be-searched sandstone-type uranium ore region; and 4, carrying out sandstone uranium ore prediction. The invention relates to a big data geological analysis method for sandstone type uranium ore mineralization prediction. geological features are synthesized and summarized, a big data platform is applied, ore control conditions and prospecting marks of sandstone-type uranium ore are considered, the method is also combined with digital geology, database technology, modeling and visualization technology, the combination of geology technology and computer big data technology is formed, and the method is a new technology for prospecting prediction at present and can be applied to prospecting initial prediction of the type.

The invention discloses a comprehensive prospecting method for multi-metal minerals, and provides a prospecting method integrated with a mineralization system, water system sediment measurement, rockdebris measurement, large-scale geophysical and chemical prospecting profile/high-precision magnetic survey and engineering verification, and a huge prospecting breakthrough is obtained in the prospecting process. Through the implementation of the combination method, the limitation of shallow coverage conditions on conventional geological mapping can be effectively avoided, a prospecting target area can be rapidly shrunk in a quaternary coverage area, and spatial positioning of a mineralization alteration zone and an ore-bearing geologic body is achieved, so that the prospecting success rate is increased accordingly, and the method has the advantages of being short in prospecting period, high in efficiency and low in prospecting cost and is suitable for prospecting of shallow vein-shaped copper-lead-zinc-silver-gold ores and skarn-type iron-copper ores; and the wide-area electromagnetic method has the absolute advantage of large detection depth, and is suitable for exploration of deepconcealed porphyry type copper-molybdenum ores by combining an ore prospecting prediction geological model established according to geological characteristics and a speculated concealed ore-bearing porphyry body range.

The invention belongs to the technical field of uranium ore exploration and particularly discloses a method for constructing an alkali metasomatism type uranium ore mineralization mode. The method comprises the following steps of step 1, establishing a mineralization basic space database; step 2, determining key ore-controlling factors; step 3, according to key ore-controlling factors determined in the step 2, extracting mineralization variables; step 4, constructing a mineralization mode according to mineralization variables obtained in the step 3. According to the invention, a spatial database is established and key ore-controlling factors are determined. Ore-controlling factors can be summarized adequately and systematically. Meanwhile, in combination with the establishment of the spatial database, the determination of key ore-controlling factors and the extraction of mineralization variables, key mineralization factors can be decomposed from a complex geological phenomenon, and themutual relation among key mineralization factors is disclosed. The hit rate of mineral exploration is improved, and the mineral exploration speed is increased.

The invention belongs to the technical field of uranium ore mineralization potential evaluation, and particularly discloses an evaluation method suitable for judging a sandstone type uranium ore uranium source in a basin. The evaluation method comprises the steps of: (1) collecting an ore-containing target layer sandstone sample; (2) selecting chippings zircon in the sample to prepare a zircon target; (3) testing the U-Pb isotope and U element content of zircon; (4) acquiring a zircon isotopic age histogram and a zircon U-Pb isotopic age and U content element diagram according to the U-Pb isotope and the U element content; (5) providing a source magmatic rock age range and geographical distribution characteristics for the ore-bearing target stratum sandstone according to the analysis in the step (4); (6) finding out the age range of the detritus zircon with the highest U content and particle number ratio according to the U-Pb isotopic age of the zircon and the U content element diagram, and determining a uranium source in a pre-enrichment stage in combination with the step (5); and (7) determining a uranium source in the mineralization stage according to the steps (5) and (6). Theevaluation method provided by the invention can be used for judging uranium sources in sedimentary diagenetic and mineralization action stages of the ore-bearing target layer.

The invention belongs to the technical field of uranium mines, and particularly discloses a method for quickly judging whether a black rock series has uranium-free multi-metal mining value or not. Themethod comprises the steps of: step 1, acquiring a black rock series sample acquisition; step 2, measuring P2O5 content, V, Ni, Cu and Zn element content and the U-Pb isotopic age of black rock series samples acquired in the step 1; 3, judging the phosphorus content of the black rock series sample; 4, judging mineralization elements of the black rock series sample; step 5, and judging the whole rock age of the black rock series sample so as to judge whether the black rock series in the sample collection area has a mining value or not. By means of the method, whether the black rock series of the target area or not can be rapidly judged, so that the prospecting efficiency in the black rock series is improved, and time and capital cost are saved.

The invention belongs to the field of sandstone-type uranium ore favorable zone prediction technology research, and particularly relates to a sandstone-type uranium ore early exploration rapid selection method. The method comprises the steps of 1, collecting and arranging research results and regional geological data of a working area, and defining a basin edge uranium-enriched basement and a rockmass distribution range; 2, determining stratum characteristics and uranium-bearing property of the working area, and determining a main ore-bearing target stratum; carrying out favorable sedimentaryfacies belt distribution characteristic research, and accurately positioning the spatial range of favorable mineralization lithology-lithofacies belt; 3, defining a favorable uranium mineralization age, defining ancient landform characteristics of a favorable mineralization period of an ore-bearing target stratum, and defining the distribution position of a sandstone type confluence channel in the working area; and 4, quickly selecting a favorable exploration area.

The invention relates to the field of sandstone type uranium ore prospecting and particularly relates to an ancient valley type uranium ore prospecting space positioning method. In previous exploration work, an ancient valley type uranium ore prospecting method is single, only drilling engineering is mainly used, efficiency is low, cost is high, and the spatial distribution characteristics of ancient valleys and uranium ore bodies are difficult to find out. The method comprises steps of step 1, spatial positioning of a metallogenic geologic body; 2, controlling a metallogenic structural plane;3, determining a mineralization characteristic mark; and 4, predicting the uranium ore body output space position, and guiding drilling engineering deployment. The method is advantaged in that a setof rapid, accurate and efficient ancient valley type uranium ore exploration space positioning technology is established according to the mineralization geological characteristics of the ancient valley type uranium ore, the sandstone type uranium ore prospecting theory is innovated, the new prospecting field is expanded, ancient valley type uranium ore prospecting is promoted, and the prospectingwork of the type of uranium ore is guided more effectively.

The invention belongs to the technical field of uranium mineralization prediction, and particularly relates to a sedimentary basin deep favorable sandstone type uranium mineralization sand body identification method, which comprises the steps of collecting data, and determining a uranium production basin section; analyzing a deposition system and rock geochemical markers, and identifying an ore-bearing target layer; measuring audio magnetotelluric and two-dimensional earthquakes, and delineating a sand body distribution range; and analyzing the delineated sand body parameters, and identifying the sandstone type uranium mineralization favorable sand body. The method provided by the invention is beneficial to high precision of the mineralized sand body, convenient and fast, and low in cost.

The invention discloses an ore prospecting method for a carbonate rock type lead-zinc deposit. The ore prospecting method comprises the steps of: field screening, indoor screening, rare earth geochemical index and carbon-oxygen isotope geochemical index recognition, ore prospecting geochemical index system establishment, abnormal graph drawing to guide ore prospecting and the like. The method canbe used for rapidly guiding prospecting prediction of carbonate rock type lead-zinc ore deposit to improve the prospecting efficiency, also can be used for judging the ore-forming fluid migration pathof the carbonate rock type lead-zinc deposit and indicating a prospecting direction, and has very high application and popularization value. According to the method, the problems of long period, highinvestment and high risk in the existing exploration technology are solved, the economical efficiency and high efficiency of carbonate rock type lead-zinc deposit potential evaluation and ore right decision are realized, meanwhile, the method is also one of the important ways for realizing green exploration, and the ecological environment problem possibly caused in the implementation process of the traditional exploration technology is solved.

The invention belongs to the technical field of uranium mineralization prediction, and particularly relates to a method for identifying and positioning an ancient riverway under basalt coverage. The method comprises the steps of 1, finding out spatial and temporal distribution characteristics of basalt on the ground surface and determining a possible distribution direction of the ancient riverway,wherein the step includes the sub-steps of 1.1, finding out spatial and temporal distribution characteristics of basalt on the ground surface, and 1.2, determining the possible distribution directionof the ancient riverway under basalt coverage; 2, determining an ancient riverway distribution pre-selection area, wherein the step includes the sub-steps of 2.1, finding out a structure, a vegetation zone and a water system zone of a basalt coverage area, and 2.2, determining an ancient riverway distribution pre-selection area; 3, identifying and positioning the ancient riverway covered by basalt, wherein the step includes the sub-steps of 3.1, collecting aviation transient electromagnetic data, 3.2, identifying and positioning the ancient riverway covered by basalt, 3.3, determining the horizon in which the ancient riverway is developed, and 3.4, finding out the scale of the ancient riverway; and 4, drilling to verify the ancient riverway.

The invention belongs to the field of comprehensive geophysical exploration methods, and particularly discloses an effective comprehensive geophysical method suitable for in-situ leaching sandstone type uranium-containing basin target area recognition. The method comprises the following steps: step 1, dividing an in-situ leaching sandstone type uranium-containing sedimentary basin into sedimentarybasin geodetic structure units, and determining basin depression and upheaval areas; step 2, dividing rock boundaries in the depression areas divided in the step 1 so as to preferably select favorable uranium mineralization sections; and step 3, on the basis of the uranium mineralization favorable section optimized in the step 2, determining underground geoelectric structure characteristics, anddetermining the spatial distribution and form of the sand body favorable for uranium mineralization. According to the invention, three geophysical methods of gravity, high-precision magnetic measurement and high-precision electromagnetic method are combined, the coverage is wide, the applicability is high, and the accuracy is high.

The invention is suitable for the technical field of computers, and provides a mineral product result prediction method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining the geological structure information, rock and ore physical parameters and fluid parameters of a to-be-explored ore deposit; performing multi-physical field numerical simulation calculation on the parameters by utilizing a force-heat-flow multi-field coupling numerical simulation calculation model to obtain a plurality of mineralization condition parameters; and determining a mineral prediction result according to the mineralization condition parameters and the optimal mineral result prediction model. In the mineral product result prediction method, after basic characteristics of a to-be-explored ore deposit are obtained, multi-physical-field numerical simulation calculation is carried out for fitting a mineralization process, the plurality of mineralization condition parameters which cannot be directly measured are obtained, and the mineralization condition parameters are used for determining the mineral prediction result, so that the mineralization mechanismand data dual-driven mineral result prediction method is provided, and the accuracy of the mineral prediction result can be effectively improved.

The invention relates to a method for delineating a favorable metallogenic section of uranium polymetallic ore, and relates to the field of geophysical exploration. The method comprises the following steps: firstly, collecting existing geophysical exploration data, determining geologic features of a measurement area, and formulating a geophysical work deployment scheme; then performing gravity measurement, magnetic measurement and induced polarization scanning measurement according to a geophysical work deployment scheme, obtaining a gravity anomaly separation result through a gravity measurement method, obtaining magnetic anomaly data through a magnetic measurement method, obtaining an apparent resistivity value and a polarizability value through induced polarization scanning measurement, and analyzing the structure distribution of the target geologic body; then sounding the depth of the target geologic body by using an induced polarization method and an audio magnetotelluric method, and determining the deep extension condition of the target geologic body; and finally, according to the deep extension condition of the target geologic body and the geological information of the target geologic body, determining a favorable metallogenic section in the measurement area so as to obtain the favorable metallogenic section of the uranium polymetallic ore.

The invention belongs to the technical field of mineral exploration and discloses a mineral exploration method using a sedimentary fan model as a seabed jet flow sedimentary ore deposit. A depositionfan seabed jet flow ore deposit cause mode is adopted, a typical seabed jet flow ore deposit is controlled by a relay slope structure, ore forming fluid is sprayed out of a nozzle to be mixed with seawater; after a chemical reaction, the ore forming fluid is regarded as an ore body which can migrate on the seabed and forms a fan-shaped structure on the seabed and is divided into a center phase zone, a transition phase zone and an edge phase zone. A great challenge is formed for a traditional jet flow deposition model in the fluid mineralization process, especially on ore body space lattices, and the understanding of people on the original ore body form of a seabed jet flow ore deposit is changed. Therefore,, ore reserves of related mines are greatly increased, obvious economic benefits arecreated, consistent good reputation of production units is obtained, the brand-new model has great guiding significance in actual geological exploration of seabed jet flow ore deposits, and the mineral exploration method can be effectively applied to deep prospecting exploration.

The invention discloses an exploration reserve area delineation method for deep sea polymetallic sulfide resources, wherein the method is suitable for delineating and evaluating a prospecting area todelineate an exploration reserve block for further exploration after seabed sulfide prospecting investigation. The method comprises the following steps: firstly, an ore prospecting mark extraction stage is performed; deep sea sulfide resource prospecting marks are extracted, characteristics of the marks are specified, and mark levels are defined; secondly, a metallogenic prospective area evaluation stage is performed; the control range of various prospecting marks are defined, and a prospecting area is delineated based on the prospecting marks; and finally, an exploration reserve area delineation stage is performed. Prediction is performed by integrating various prospecting mark information, the levels of the prospecting areas are determined, and the higher-level prospecting areas are usedas resource reservation areas in sequence. The method can be applied to evaluation and prediction of deep sea polymetallic sulfide resources, especially to delineation of resource exploration reserveareas of deep sea polymetallic sulfide.

The invention belongs to the technical field of uranium ore exploration, and particularly relates to a method for discriminating a sandstone type uranium ore metallogenic substance source in a red layer of a sedimentary basin. The method comprises the following steps: 1, collecting samples: collecting non-loose mineralized sandstone, and uniquely numbering each sample; 2, treating the sample; 3, measuring rare earth elements of the sample; 4, measuring the temperature of the fluid inclusion; 5, measuring carbon and oxygen isotopes of the carbonate cement; 6, measuring oxygen isotopes of the asphalt uranium ore; 7, processing the data; 8, judging the property of the ore-forming fluid; and 9, the source of the reducing substance and the source of uranium are judged. Aiming at the defects in the prior art, the invention provides the method for quantitatively judging the source of the sandstone-type uranium ore metallogenic substances in the red layer of the sedimentary basin by comprehensively utilizing geochemical data of rare earth elements, fluid inclusion, carbon isotopes and oxygen isotopes, and a key reference index is provided for exploration, research and evaluation of the sandstone-type uranium ore in the red layer of the sedimentary basin.