CN113420348B - Method for rapidly drawing uranium mine exploration line profile map - Google Patents
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- CN113420348B CN113420348B CN202110631402.1A CN202110631402A CN113420348B CN 113420348 B CN113420348 B CN 113420348B CN 202110631402 A CN202110631402 A CN 202110631402A CN 113420348 B CN113420348 B CN 113420348B
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Abstract
The invention belongs to the field of uranium mine geological exploration, and particularly discloses a method for rapidly drawing a uranium mine exploration line profile, which comprises the following steps: step 1: preparing and recording data; step 2: adding geological attributes of the earth surface of the exploration line and drawing a coordinate grid; and step 3: projecting a drilling track; and 4, step 4: projecting the information of the core sample and lithology layering; and 5: projecting a radioactive logging curve; step 6: and finishing other elements to finish drawing. The method can realize accurate projection of various geological elements and quickly draw the uranium ore exploration line profile map.
Description
Technical Field
The invention belongs to the field of uranium ore geological exploration, and particularly relates to a method for quickly drawing a uranium ore exploration line profile map.
Background
The uranium mine exploration line profile is one of basic graphs of uranium mine belt drilling exploration work results, and is a typical vertical section for bearing all geological information from the surface to deep parts. The main expression content includes rock stratum, structure, alteration, ore body, engineering projection and other information reflecting the occurrence condition and change condition of ore body, and is also the basic drawing for reflecting the exploration progress and guiding the next exploration engineering arrangement, and is the basic basis for calculating reserves, designing mine construction and compiling other comprehensive drawings.
Coordinate grid projection, surface topography elevation data transfer, drilling track and geological boundary projection, sampling and mine section information projection are main contents in exploration line profile drawing. Each step requires a large number of control points to be selected, either directly mapped or calculated and projected onto the drawing surface. The traditional manual drawing method is time-consuming, labor-consuming and low in accuracy under the influence of drawing tools, the service level of technicians and the like, and brings inconvenience to later-stage data utilization.
In recent years, with the development and application of earth information software such as maptis and the like, a survey line profile has basically realized digital mapping, and part of data can directly form required picture contents through a projection transformation process, such as: a surface topography line. However, a special integrated module for mapping a profile of an exploration line is still lacked, a large amount of manual drawing or intervention is still needed for part of contents, such as drilling track projection lines, sample orbit information and the like, and although digital drawing realizes multi-person cooperative drawing, a large amount of time is still needed.
The method realizes rapid and accurate drawing of the exploratory line profile, simplifies the drawing process, shortens the time consumption of single drawings, lightens the working intensity of technicians, and is an important development direction of the exploratory line profile drawing technology.
Based on the technical background, the invention provides a method for rapidly drawing a uranium mine exploration line profile by optimizing function combination and utilizing man-machine interaction on the basis of fully developing geographic information system software Mapgis and Section.
Disclosure of Invention
The invention aims to provide a method for rapidly drawing a uranium ore exploration line sectional view, which realizes accurate projection of various geological elements and rapidly draws the uranium ore exploration line sectional view.
The technical scheme for realizing the purpose of the invention is as follows: a method of rapidly mapping a uranium mine exploration line profile, the method comprising the steps of:
step 1: preparing and recording data;
step 2: adding geological attributes of the earth surface of the exploration line and drawing a coordinate grid;
and step 3: projecting a drilling track;
and 4, step 4: projecting a core sample and lithology layering information;
and 5: projecting a radioactive logging curve;
step 6: and finishing other elements to finish drawing.
Further, the step 1 comprises:
step 1.1: preparing data and recording source data;
step 1.2: and preprocessing the source data in batch.
Further, the data prepared in step 1.1 includes the following: data processing software, geological topography data, drilling data, core sampling data, ore body data and radioactive logging data.
Further, the entering of the source data in step 1.1 specifically includes: in the Section environment, a geological drawing-histogram function is adopted to connect an Access data source, a drilling data acquisition submodule is used as a database carrier, and all data except ore body data are sequentially recorded into a database.
Further, the step 1.2 specifically includes: and (4) completing the preparation of source data, preprocessing the data in the database, and backfilling the exploration line number and the comprehensive layer number.
Further, the step 2 comprises:
step 2.1: adding a topographic line elevation attribute;
step 2.2: adding geological element occurrence attributes;
step 2.3: distributing and connecting different drilling data based on the Section environment;
step 2.4: determining the starting and stopping positions of the drawn exploration lines on the topographic map based on the Section environment;
step 2.5: and generating an exploration line profile frame based on the terrain and geological data, and generating a coordinate grid according to the information in the database.
Further, the step 2.1 specifically includes: and (3) assigning elevation attributes to all terrain lines intersected with the exploration lines based on the terrain geological map under the Mapgis environment.
Further, the step 2.2 specifically includes: based on a topographic-geological map in the Section environment, keeping the geological elements in an editing state, selecting a profile and profile information, reading geological information, and modifying attributes such as stratum attitude, contact relationship and the like.
Further, the step 2.3 specifically includes: based on the geological mapping-histogram mapping function in the Section environment, downward distribution is described, and a survey line profile scale is determined by taking a mining area and a drill hole as target items.
Further, the step 2.4 specifically includes: based on the topographic map under the Section environment, a straight line tool is utilized to accurately mark and select a Section projection line of an exploration line, and the lowest elevation value of the vertical depth of topographic data read by line selection is larger than the actual depth of a drill hole.
Further, the step 2.5 specifically includes: reading terrain data by using a line selection reading function under the Section environment, and selecting a field as an elevation; and executing the cutting section of the diagram, and generating an exploratory line section framework based on the terrain, geological and coordinate information in the Access database.
Further, the step 3 specifically includes: reading drilling data based on a Section profile supplement function; selecting a target drilling hole and projecting a corresponding drilling hole track; and (3) a plurality of holes are drilled, the operations are repeated, and the projection file is loaded to the exploratory line profile frame in the step 2.
Further, the step 4 comprises:
step 4.1: lithology sample and lithology layering depth data profile projection;
and 4.2: the lithological layered projection is integrated into an exploratory line profile engineering file.
Further, the step 4.1 specifically includes: and (3) backing up the files from the step (1) to the step (3), replacing the depth information in the new sample table in the backup file with lithologic layered depth information, and repeating the step (1) to the step (3) to realize lithologic layered data projection.
Further, the step 4.2 specifically includes: and 4.1, selecting useful information related to the lithologic hierarchical depth of the projection result file in the step 4.1, and loading the useful information to the exploratory line profile frame in the step 2.
Further, the step 5 comprises:
step 5.1: preparing logging data;
step 5.2: and (3) performing curve projection on the logging data according to the inclination angle of the drill hole based on the Section environment, merging the survey line profile frame in the step (2), and adding coordinate axes.
Further, the step 5.1 specifically includes: based on Excel software, logging depth and measurement data are in one-to-one correspondence relation of 'depth-data 1' and 'depth-data 2' to form a single (gamma logging) or a plurality of (energy spectrum logging) corresponding files.
Further, the step 5.2 specifically includes: a table data projection function based on the Section environment; and (3) drawing a projection curve according to a selected scale, respectively adding the related point file and the line file into the exploratory line profile diagram frame in the step (2), and adding coordinate axes by using a parallel line making function.
Further, the step 6 specifically includes: based on the Magtis or Section environment, elements such as formation boundary lines and faults of different drill holes are connected, and various symbol elements such as patterns and legends are added to complete drawing of the uranium ore exploration line sectional drawing.
The invention has the beneficial technical effects that:
1. the method for rapidly drawing the uranium ore exploration line profile has the characteristics of strong operability and simple operation process, greatly improves drawing efficiency of the uranium ore exploration line profile, and reduces working intensity of technicians.
2. The method for rapidly drawing the uranium mine exploration line profile map provided by the invention improves the drawing precision of the map, solves the problems of inaccurate element positions and large elevation errors on the profile in manual drawing or man-machine interaction drawing, and realizes full-element automatic calculation projection.
Drawings
Fig. 1 is a flow chart of a method for rapidly drawing a uranium mine exploration line profile provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1, the method for rapidly drawing a uranium deposit exploration line profile provided by the invention specifically includes the following steps:
step 1: and (4) preparing and recording data.
Step 1.1: the data preparation includes the following: data processing software, geological topography data, drilling data, core sampling data, ore body data and radioactive logging data.
The data processing software comprises geographic information system software Mapgis and Section, and data office software Access and Excel.
The geological and topographic data includes geological and topographic maps and elevation information in Mapgis format.
The borehole data includes borehole engineering data and borehole geological data.
The drilling engineering data comprise the name of a mining area, the number of a drilling hole, hole opening coordinates, hole opening elevations, corrected hole depths, azimuth angles and vertex angles at intervals of 20 meters and the like, and the drilling geological data comprise lithology, alteration, layering positions, structures, axis included angles and the like. The core sampling data includes sample number, sampling start and stop depth, sample length, etc.
The ore body data comprises ore section number, grade, start-stop depth, thickness and the like.
The radioactive logging data includes logging depth, gamma value or spectral U-Th content.
Under the Section environment, selecting a histogram (ACCESS) in a geological mapping menu to connect with a data source, selecting a drilling data acquisition submodule, and sequentially recording all data except ore body data into a database in the submodule data acquisition menu.
Step 1.2: and preprocessing the source data in batch. And after the source data is input, selecting a data preprocessing menu in the database, checking exploration line number backfilling, comprehensive layer number backfilling and clicking to determine until a dialog box is not popped up any more.
And 2, step: and adding the geological attributes of the earth surface of the exploration line and drawing a coordinate grid.
Step 2.1: and adding elevation attributes of the terrain lines. And (3) opening a topographic and geological map by using Mapgis, assigning elevation attributes to all the topographic lines intersected with the exploration lines, and inputting elevation data of each topographic line.
Step 2.2: adding geological element occurrence attributes. Opening a topographic and geological map by using Section, keeping geological elements in an editing state, sequentially clicking a profile map and profile information, reading geological information, modifying attributes such as stratum attitude and contact relation in a pop-up box, and clicking for storage.
Step 2.3: in the Section environment, different borehole data are assigned and normalized. The C geological mapping menu, histogram (ACCESS), is selected in turn, and a histogram is drawn, describing the downward assignment. And selecting a mine area and a drill hole in the pop-up box, and filling a scale of the exploratory line profile, wherein in the embodiment, the scale is selected to be 1. And clicking to determine, and generating the file without saving.
Step 2.4: a start-stop position on the mapped survey line plane is selected. The topographic map is opened using Section and the exact location of the survey line profile is drawn using a straight line tool. And sequentially selecting a C-section diagram, automatically assigning elevations, selectively reading topographic data, selecting lines for reading and selecting the selected exploration lines. And filling related information in the pop-up frame, wherein the lowest elevation is determined according to the actual depth of the drill hole, in the embodiment, the elevation of the bottom of the drill hole with the largest depth is-80 m, and the lowest elevation is-100 m.
Step 2.5: the Section system automatically generates an exploration line profile according to terrain and geological information, and simultaneously generates a coordinate grid according to information in a database. And sequentially selecting the C section diagram and the automatic elevation, selecting and reading topographic data and selecting lines for reading, selecting fields as the elevations in a pop-up box, and clicking for multiple times for determining. And selecting the C section map and the map-cutting section again, automatically generating an exploration line section frame by the system according to the terrain and geological information, and generating a coordinate grid according to the information in the database.
And step 3: and (5) projecting a drilling track.
In the Section environment, projection is carried out on the Section of the exploration line according to the coordinates of the hole of the drill hole, the depth measured at certain intervals, and the vertex angle and the inclination data of the depth. And sequentially selecting a C section, supplementing the section and reading the drilling data. And selecting the drilling holes to be projected in the pop-up box, and generating corresponding drilling hole tracks. The drilling top angle and the inclination data interval are 5cm, the exploration line comprises 5 drilling holes, and all drilling hole projection can be completed by repeating the drilling for 5 times.
And 4, step 4: and (4) projecting the information of the core sample and the lithology layering.
Step 4.1: and performing profile projection on the lithology sample and the lithology layering depth data. In step 3, the drilling trajectory projection, the sampling information is projected onto the drilling trajectory synchronously. And (4) backing up the files from the step (1) to the step (3), repeating the step (1), and replacing the depth information in the sample table in the backup file with diagenetic layered depth information. And (5) repeating the step (3) to finish the lithology layered projection.
Step 4.2: and (3) opening the projection file generated in the step 4.1 by using Mapgis or Section, deleting other information except lithologic hierarchical depth points, lines and surface files, renaming the points, lines and surface files, storing and loading the points, lines and surface files into the generated exploration line profile frame in the step 2.
And 5: and (4) projecting a radioactive log curve.
Step 5.1: and (3) preparing logging data, namely forming a one-to-one correspondence relationship between the depth data of the measuring points and the corresponding logging data, and forming a plurality of groups of correspondence relationship files such as depth-data 1, depth-data 2 and the like if the logging data are energy spectrum data. The implementation process comprises the steps of using Excel software, forming a single (gamma logging) or a plurality of (energy spectrum logging) corresponding files by the one-to-one correspondence of the logging depth and the measurement data according to the depth-data 1 and the depth-data 2, and closing other Excel files except the files.
Step 5.2: and (4) under the Section environment, carrying out curve projection on the logging data according to the inclination angle of the drilling hole, importing the engineering file in the step (3), and adding a coordinate axis.
In the Section environment, 1 auxiliary tool, table data projection and all data projection (Excel) are selected in sequence. Selecting attribute fields, determining an X sequence and a Y sequence, selecting a drawing line, canceling a drawing point, requiring the scale to be consistent with a survey line section scale, and adding coordinate axes by using a parallel line making function. After the completion of the mapping, the well log is added to the exploratory line profile frame of step 2.
Step 6: and finishing other elements to finish drawing.
And (3) connecting elements such as formation boundary lines, faults and the like of different drill holes in the exploration line profile frame engineering file of the step 2 loaded with various information from the step 3 to the step 5 based on the Mapgis or Section environment, and adding various symbol elements such as patterns, legends and the like to finish drawing the uranium ore exploration line profile.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the examples, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. The present invention may be practiced without these particulars.
Claims (12)
1. A method for rapidly drawing a uranium mining exploration line profile, which is characterized by comprising the following steps:
step 1: preparing and recording data;
step 2: adding the geological attributes of the earth surface of the exploration line and drawing a coordinate grid to generate an exploration line profile frame and the coordinate grid;
and step 3: projection of a drilling track: reading drilling data based on a Section profile supplement function; selecting a target drilling hole to project a corresponding drilling hole track to form a projection file; loading the projection file to the exploratory line profile frame in the step 2;
and 4, step 4: core sample and lithology layering information projection:
step 4.1: core sample and lithology layered depth data profile projection: backing up the data recorded in the step 1, the exploratory line section frame and the coordinate grid generated in the step 2 and the projection file formed in the step 3 to form a backup file, replacing the depth information in the backup file with lithologic layered depth information, and repeating the steps 1 to 3 to realize lithologic layered projection;
and 4.2: lithologic layered projection is merged into an exploratory line profile frame: selecting lithological layered depth information in the lithological layered projection in the step 4.1, and loading the lithological layered depth information to the exploratory line profile map frame in the step 2;
and 5: projection of radioactive well-logging curve:
step 5.1: preparing logging data: based on Excel software, forming a single or a plurality of corresponding files by the one-to-one correspondence of the logging depth and the measurement data according to 'depth-data 1' and 'depth-data 2';
step 5.2: and (3) performing curve projection on the logging data according to the inclination angle of the drilling hole based on the Section environment, merging the logging data into the exploratory line profile diagram frame in the step 2, and adding coordinate axes: a table data projection function based on the Section environment; drawing a projection curve according to a selected scale, respectively adding a point file and a line file into the exploratory line profile diagram frame in the step 2, and adding coordinate axes by using a parallel line making function;
and 6: and finishing other elements to finish drawing.
2. The method for rapidly mapping a uranium mine exploration line profile according to claim 1, wherein the step 1 comprises:
step 1.1: preparing data and recording source data;
step 1.2: and preprocessing the source data in batch.
3. The method for rapidly mapping a uranium mining exploration line profile according to claim 2, wherein the data prepared in step 1.1 comprises the following: data processing software, geological topography data, drilling data, core sampling data, ore body data and radioactive logging data.
4. The method for rapidly drawing a uranium mining exploration line profile according to claim 2, wherein the entering of source data in step 1.1 is specifically: in the Section environment, a geological mapping-histogram function is adopted to connect an Access data source, a drilling data acquisition submodule is used as a database carrier, and geological topography data, drilling data, core sampling data and radioactive logging data are sequentially recorded into a database.
5. The method for rapidly drawing a uranium mining exploration line profile according to claim 2, wherein the step 1.2 is specifically: and (4) completing preparation of source data, preprocessing the data in the database, and backfilling the exploration line number and the comprehensive layer number.
6. The method for fast drawing a uranium mining exploration wire section map according to claim 1, wherein the step 2 comprises:
step 2.1: adding a topographic line elevation attribute;
step 2.2: adding geological element occurrence attributes;
step 2.3: distributing and connecting different drilling data based on the Section environment;
step 2.4: determining the starting and stopping positions of the drawn exploration lines on the topographic-geological map based on the Section environment;
step 2.5: and generating an exploratory line profile frame based on the terrain and geological data, and generating a coordinate grid according to the information in the database.
7. The method for rapidly drawing a uranium mining exploration line profile according to claim 6, wherein the step 2.1 is specifically: and (3) assigning elevation attributes to all terrain lines which are intersected with the exploration lines based on the terrain-geological map under the Mapgis environment.
8. The method for rapidly drawing a uranium mining exploration line profile according to claim 6, wherein the step 2.2 is specifically: based on a topographic map under the Section environment, keeping the geological elements in an editing state, selecting a profile and profile information, reading geological information, and modifying the attributes of the stratigraphic attitude and the contact relationship.
9. The method for rapidly drawing a uranium mining exploration line profile according to claim 6, wherein the step 2.3 is specifically: based on the geological mapping-histogram mapping function in the Section environment, downward distribution is described, and a survey line profile scale is determined by taking a mining area and a drill hole as target items.
10. The method for rapidly drawing a uranium mining exploration line profile according to claim 6, wherein the step 2.4 is specifically: based on the topographic map under the Section environment, a straight line tool is utilized to accurately mark and select a projection line of a Section of an exploration line, and the lowest elevation value of the vertical depth of topographic data read by line selection is larger than the actual depth of a drill hole.
11. The method for rapidly drawing a uranium mining exploration line profile according to claim 6, wherein the step 2.5 is specifically: reading terrain data by using a line selection reading function under the Section environment, and selecting a field as an elevation; and executing the graph cutting section, and generating an exploration line section frame based on the terrain, geological and coordinate information in the Access database.
12. The method for rapidly drawing a uranium mining exploration line profile according to claim 1, wherein the step 6 specifically comprises: and connecting formation boundary lines and fault elements of different drill holes based on the Mapgis or Section environment, adding various symbol elements such as patterns and legends, and finishing drawing the uranium ore exploration line profile.
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