CN113947664A - Automatic mapping method for sandstone-type uranium ore geological histogram - Google Patents
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Abstract
The invention discloses an automatic mapping method for a sandstone-type uranium ore geological histogram, which can quickly generate the geological histogram. The method comprises the following steps: reading a lithology database and a gamma logging interpretation library, and selecting a scale and an input orifice elevation; step two, calling a VISIO mold, and drawing lithology, rock color and ore sections; and step three, completing the uranium ore geological size fraction or reserve volume histogram. The invention has the beneficial effects that: the method has the advantages that the original uranium ore data can be conveniently and quickly sorted, and the basic technology for drawing subsequent pictures can be more directly provided. According to the nuclear industry standard, the sandstone-type uranium ore geological histogram can be automatically, quickly and accurately completed, the drawing efficiency is improved, the drawing cost is reduced, and the method is suitable for standard drawings required by field sketch manufacturing and indoor uranium resource estimation.
Description
Technical Field
The invention belongs to a uranium ore geological mapping method, and particularly relates to an automatic mapping method for sandstone-type uranium ore geological histogram.
Background
In recent years, many geological mapping software can realize geological histogram mapping automation, but mapping software in the market cannot be completely applied or partially incomplete due to different factors such as working methods, working contents, actual office conditions and the like in different geological industries. In uranium ore exploration and data processing work, a reserve histogram of sandstone-type uranium ore geological drilling with the depth of about 500m needs about 2 days for manual drawing. Specifically, (1) geological record data is required to be manually drawn into a granular pile diagram by VISIO software; (2) on the basis, the storage quantity histogram is compiled, stored in an AUTOCAD exchange format, converted into a format identified by MAPGIS through AUTOCAD software, and converted into point, line and surface files through the MAPGIS; (3) according to the sectional bottom view provided by measurement, carrying out whole-view rotation according to the deviation distance of the drilling hole; (4) the inclined rock stratum line, the lithology symbol, the ore section color column and the like are re-modified to be in a horizontal state, and the flow chart is shown in figure 1, and the process chart is shown in figure 2.
In the uranium mine exploration process, a three-edge principle of edge construction, edge research and edge adjustment is generally adopted, the time of part of shallow drilling construction is short, a rapid geological histogram mapping technology is needed, the section sketch can be timely manufactured, and the three-edge principle is realized. Through tests, the method only needs 1 minute to finish the geological histogram of 1 sandstone-type uranium ore, so that the automatic mapping is necessary.
Disclosure of Invention
The invention aims to provide an automatic mapping method for a sandstone-type uranium ore geological histogram, which can be used for quickly generating the geological histogram.
The invention is realized by the following steps:
an automatic mapping method for sandstone-type uranium ore geological histogram includes:
reading a lithology database and a gamma logging interpretation library, and selecting a scale and an input orifice elevation;
step two, calling a VISIO mold, and drawing lithology, rock color and ore sections;
and step three, completing the uranium ore geological size fraction or reserve volume histogram.
An automatic mapping method for sandstone-type uranium deposit geological histogram is described above,
step one, applying the function of VISIO macro, compiling software by adopting VBA language, reading lithology database, gamma logging interpretation library and the like, and calling a mold in a shape designed by predecessor to automatically draw (shown in figure 3);
step two, storing the size fraction histogram in a vsd format, and completing a geological profile sketch by using VISIO software; the method is used for mapping in the field period to divide the stratum and research the geochemical environment and the mineralization law of the rock;
and step three, storing the reserve histogram in an AUTOCAD (multiple. dxf) exchange format after mapping, converting the reserve histogram into point, line and surface files through an MAPGIS file, and completing a sandstone-type uranium ore geological reserve profile to submit the uranium resource amount.
The invention has the beneficial effects that: the method has the advantages that the original uranium ore data can be conveniently and quickly sorted, and the basic technology for drawing subsequent pictures can be more directly provided. According to the nuclear industry standard, the sandstone-type uranium ore geological histogram can be automatically, quickly and accurately completed, the drawing efficiency is improved, the drawing cost is reduced, and the method is suitable for standard drawings required by field sketch manufacturing and indoor uranium resource estimation.
Drawings
FIG. 1 is a flow chart of a manual drawing;
FIG. 2 is a process diagram for manual drawing;
FIG. 3 is a drawing software operating form diagram;
FIG. 4 is a software function and flow diagram;
FIG. 5 is a diagram of selecting an inventory file;
FIG. 6 is a diagram of a selected log file;
FIG. 7 is a view of a selected mold;
FIG. 8 is a color mold diagram in VISIO size fraction core column mold 1. vss;
FIG. 9 is a lithology mold diagram in VISIO size fraction core column mold 1. vss;
FIG. 10 is a plot of the results of a plot of the ore section in a size fraction histogram;
FIG. 11 is a diagram of an input skew distance form;
FIG. 12 is a histogram of the reserves generated by the software.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
An automatic mapping method for sandstone-type uranium ore geological histogram includes the following steps:
step one, applying the function of VISIO macro, writing software by adopting VBA language, and establishing a histogram drawing form (as shown in figure 3), wherein the software flow chart is shown in figure 4:
(1) selecting an inventory file, opening a lithology database (·. xls) (as shown in fig. 5), and automatically reading the information of the name of a drill hole, the starting depth, the ending depth, the thickness of a rock stratum, the color of the rock and the size fraction of the rock by software;
(2) selecting a logging file, opening a gamma logging interpretation database (·. xls) (as shown in fig. 6), automatically searching corresponding drilled holes by software, reading the starting depth, the ending depth and the thickness, and distinguishing an industrial uranium ore section, a uranium mineralization section, a uranium abnormal section, a low-grade uranium ore section and an impermeable uranium ore section according to the font color and the cell filling color;
(3) the scale is selected, and 50, 200, 500 and 1000 of the four common scales can be selected, and the scale is defaulted to be 1: 500, a step of;
(4) fill in orifice elevation or read from a file (. xls);
(5) the shape is selected and the shape selection is required for the first run of the software. Pressing the browse button, finding the My shape folder in the My document and opening, and selecting the size fraction core column mold 1.vss and the reserve standard core column mold 1.vss (shown in figure 7); the software can automatically store the file name and the path in mj.xls in a C disc, and when the software is operated for the second time or later, the software can automatically open the mj.xls when a browsing button is pressed;
(6) during geological recording, different colors of rock centers with the same size grade, different cementing courses and the like are separately described, and during drawing, the rock centers are combined together to determine the starting depth and the ending depth so as to prepare for next drawing;
(7) when selecting the catalogued file, pressing a browsing button can automatically open mj.xls to prepare a mould;
(8) the page setting is a module in software, the page height can be determined according to the drilling depth and the selected scale, and the page width is fixed;
(9) the drawing type is single selection, and a size fraction or reserve histogram can be selected;
(10) after the grade is selected, a grade histogram can be generated, and the software completes respective functions by five modules of generating a base map, drawing colors, drawing the grade, drawing lithology and drawing a mine section;
(11) after the reserves are selected, a reserves histogram can be generated, and the software completes respective functions through three modules of generating a base map, drawing lithology and drawing a mine section;
(12) generating a base map which is a module in software and mainly completes the drawing of basic information such as the number of a drill hole, the coordinates of an orifice, the depth of the hole and the like;
(13) drawing a color, wherein the color is a module in software, the color information read from a database is compared with a die in a 'size fraction core column die 1. vss' (as shown in figure 8), and the color is drawn in a page after matching is successful;
(14) and drawing the grade, wherein the grade is a module in software, and the combined lithologic grade information is drawn in a page.
(15) And (3) drawing the lithology, wherein the lithology is a module in software, the lithology information read from the database is compared with the molds in the 'size fraction core column mold 1. vss' (as shown in figure 9), the shapes are drawn in a page when the names are the same, and the rock stratum boundary lines are automatically divided according to the rock stratum thickness and the scale condition.
(16) Drawing a mine section, wherein the mine section is a module in software, information read from a gamma logging interpretation library is compared with a mould in a 'size fraction core column mould 1. vss', and after matching is successful, colors are drawn in a page; red is an industrial uranium ore section, sky blue is a uranium mineralization section, light yellow is a uranium abnormal section, light blue is a low-grade uranium ore section, and pink is a non-permeable ore section (as shown in fig. 10).
(17) After the reserve is selected, a 'deflection' window is popped out, a deflection file is selected, the deflection distance can be read from the file and the section direction can be selected, and the projection deflection distance in the corresponding direction can be converted.
(18) After the reserve is selected, a 'skew' window is popped out, and after the skew distance is selected, the text box is visible and is directly written into the skew distance (as shown in figure 11), negative values are skew left, and positive values are skew right.
(19) And (3) generating a reserve base map which is a module in software, mainly completing the drawing of basic information such as the hole number, the hole opening coordinate, the hole depth and the like, and the function is basically the same as that of the step (12).
(20) The function is basically the same as that of the mould (15), and the difference is that the mould in the reserve standard core column mould 1.vss is called.
(21) The function is basically the same as that of (16), and the drawing method is slightly different; the reserve histogram has a skew correction function, and the pillars are mostly slanted (as shown in fig. 12), and cannot call up the color in the mold.
Step two, storing the size grade histogram in a vsd format, finishing a geological profile sketch by using VISIO software, and mapping by using the method in a field period to divide a stratum and research the geochemical environment and the mineralization rule of rocks;
and step three, storing the reserve histogram in an AUTOCAD (multiple. dxf) exchange format after mapping, and converting the reserve histogram into point and line files through MAPGIS (map geographic information system) or SECTION (separation software) to finish a uranium ore geological reserve profile and submit the uranium resource amount.
The invention solves the problem of automatically drawing the professional drawing by using the self-defined die in VISIO software, and also has the following advantages:
1. the method can be used for drawing the particle grade histogram of different scales and the reserve histogram with deviation correction of different scales, and can be used for drawing sandstone-type industrial uranium ore sections, uranium mineralization sections, uranium abnormal sections, low-grade uranium ore sections, impermeable ore sections and the like.
2. The software drawing time needs 1 minute, the file format conversion time needs 3-4 minutes, and the total time for completing a sandstone-type geological storage histogram needs about 5 minutes, so that the labor productivity can be greatly improved compared with manual drawing (2 days).
3. The mold in VISIO, such as a rock core mold, a color mold and the like, can be flexibly modified to adapt to different units and different areas.
At present, many software are used for drawing geological histograms in domestic and foreign markets, but the software can be edited by VISIO software and MAPGIS software, particularly, the software can be used for drawing low-grade uranium ore sections specified in latest specifications, and the software in the current market does not have the function.
Claims (8)
1. An automatic mapping method for sandstone-type uranium ore geological histogram is characterized by comprising the following steps:
the method comprises the following steps: applying the function of VISIO macro, writing software by adopting VBA language, and establishing a histogram drawing window;
step two: the particle-level histogram is stored in a vsd format, and a geological profile sketch can be completed by VISIO software, stratums are divided, and the geochemical environment and the mineralization rule of rocks are researched;
and step three, storing the reserve histogram in an AUTOCAD exchange format after mapping, and converting the reserve histogram into point and line files through MAPGIS or SECTION software to finish a uranium ore geological reserve profile and submit the uranium resource amount.
2. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step comprises the following steps of,
(1) selecting an inventory file, opening a lithology database, and automatically reading the drilling hole name, the starting depth, the ending depth, the rock stratum thickness, the rock color and the rock size information by software;
(2) selecting a logging file, opening a gamma logging interpretation database, automatically searching corresponding drilled holes by software, reading the starting depth, the ending depth and the thickness, and distinguishing an industrial uranium mine section, a uranium mineralization section, a uranium abnormal section, a low-grade uranium mine section and an impermeable uranium mine section according to the font color and the color filled in the cells;
(3) the scale is selected, and 50, 200, 500 and 1000 of the four common scales can be selected, and the scale is defaulted to be 1: 500, a step of;
(4) filling in the orifice elevation or reading from a file;
(5) the shape is selected and the shape selection is required for the first run of the software. Pressing a browsing button, finding a 'my shape' folder in my document, opening, and selecting a 'size fraction core column mould 1. vss' and a 'reserve standard core column mould 1. vss'; the software can automatically store the file name and the path in mj.xls in a C disc, and when the software is operated for the second time or later, the software can automatically open the mj.xls when a browsing button is pressed;
(6) during geological recording, different colors of rock centers with the same size grade, different cementing courses and the like are separately described, and during drawing, the rock centers are combined together to determine the starting depth and the ending depth so as to prepare for next drawing;
(7) when selecting the catalogued file, pressing a browsing button can automatically open mj.xls to prepare a mould;
(8) the page setting is a module in software, the page height can be determined according to the drilling depth and the selected scale, and the page width is fixed;
(9) the drawing type is single selection, and a size fraction or reserve histogram can be selected;
(10) after the grade is selected, a grade histogram can be generated, and the software completes respective functions by five modules of generating a base map, drawing colors, drawing the grade, drawing lithology and drawing a mine section;
(11) after the reserves are selected, a reserves histogram can be generated, and the software completes respective functions through three modules of generating a base map, drawing lithology and drawing a mine section;
(12) generating a base map which is a module in software and mainly completes the drawing of basic information such as the number of a drill hole, the coordinates of an orifice, the depth of the hole and the like;
(13) and drawing a color, wherein the color is a module in software, the color information read from the database is compared with the mold in the 'size fraction core column mold 1. vss', and the color is drawn in a page after matching is successful.
3. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step also comprises the following steps of,
(14) and drawing the grade, wherein the grade is a module in software, and the combined lithologic grade information is drawn in a page.
4. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step also comprises the following steps of,
(15) and (3) drawing the lithology, wherein the lithology is a module in software, the lithology information read from the database is compared with the molds in the 'size fraction core column mold 1. vss', the shapes are drawn in the page when the names are the same, and the rock stratum boundary lines are automatically divided according to the rock stratum thickness and the scale condition.
5. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step also comprises the following steps of,
(16) drawing a mine section, wherein the mine section is a module in software, information read from a gamma logging interpretation library is compared with a mould in a 'size fraction core column mould 1. vss', and after matching is successful, colors are drawn in a page; the red is an industrial uranium ore section, the sky blue is a uranium mineralization section, the light yellow is a uranium abnormal section, the light blue is a low-grade uranium ore section, and the pink is a non-permeable ore section.
6. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step also comprises the following steps of,
(17) after the reserve is selected, a 'deflection' window is popped out, a deflection file is selected, the deflection distance can be read from the file and the section direction can be selected, and the projection deflection distance in the corresponding direction can be converted.
7. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step also comprises the following steps of,
(18) and after the reserve is selected, popping up a 'deflection' window, and after the deflection distance is selected, directly writing the deflection distance into a text box, wherein a negative value is deflection left, and a positive value is deflection right.
8. The automated mapping method for the uranium sandstone-type uranium deposit geological histogram of claim 1, wherein: the first step also comprises the following steps of,
(19) and generating a reserve base map which is a module in software and mainly completes the drawing of basic information such as the hole number, the hole opening coordinate, the hole depth and the like.
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