CN110847908A - Method for delineating ore body by utilizing macropores - Google Patents
Method for delineating ore body by utilizing macropores Download PDFInfo
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- CN110847908A CN110847908A CN201911022491.9A CN201911022491A CN110847908A CN 110847908 A CN110847908 A CN 110847908A CN 201911022491 A CN201911022491 A CN 201911022491A CN 110847908 A CN110847908 A CN 110847908A
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- geological
- stope
- ore body
- profile
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005553 drilling Methods 0.000 claims abstract description 21
- 238000005065 mining Methods 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010586 diagram Methods 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000002360 explosive Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C39/00—Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a method for delineating an ore body by utilizing a large hole, which comprises the following steps: carrying out geological logging on the bottom structure of the stope to form a lower horizontal secondary delineation plan; the method is characterized by further comprising the following steps: editing and recording the drilling chamber at the upper part of the stope, and editing and finishing the upper part of the drilling chamber to form an upper horizontal secondary delineation plan view at the upper part of the drilling chamber; drawing a stope geological profile by using the ore body geological profile according to the position of the stope on the middle geological plan, and if the geological section line is within the stope range, using the ore body geological profile modified by the catalogued data as the stope geological profile; providing the geological plan and the geological profile for a mining technician, and assisting the mining technician to design a large-hole distribution; geologists select two to three large-hole flat cable sections in the stope range according to the design of large-hole distribution, and track the construction condition of large holes on the cable.
Description
Technical Field
The invention relates to a method for delineating an ore body by utilizing a large hole.
Background
The prior art utilizes a method for delineating a mine body of a large-hole mining stope, which comprises the following steps: 1. geological record is carried out on the bottom structure of the stope, such as a trench and a mine removal route, meanwhile, the rock drilling chamber at the upper part of the stope is recorded, and after the original record is sorted, the ore body and the geological boundary of the bottom structure plan and the upper rock drilling chamber plan of the stope are modified according to the original record, so as to form a stope secondary delineation plan; 2. drawing a stope geological profile by using an ore body geological profile according to the position of the stope on the middle geological plan; if the geological section line is in the stope range, the geological section of ore body modified by the catalogued data can be used as the geological section of the stope, and if the geological section line is not in the stope range, the geological section line adjacent to the stope is used as a reference to cut the stope section according to the upper plane view and the lower plane view. The method for delineating the ore body has the following defects: the bottom structure geological plane and the upper drilling chamber geological plane of the stope are both controlled by mining and cutting engineering to control the ore body and the geological boundary line, and the ore body and the geological boundary line reflected on the geological plane map are real; however, the ore body and the geological boundary line on the stope geological profile are not only true on the bottom structure geological plane modified according to the recorded data and the ore body and the geological boundary line on the upper rock drilling chamber geological plane, but also the part between the two planes is presumed by referring to the ore body geological profile, the ore body can be large or small, the ore body boundary line has larger uncertainty according to the experience and the technical level of technicians for delineating the ore body, the determination of the explosive loading position in the blast hole is difficult, and the ore loss and dilution management are not facilitated.
Disclosure of Invention
The invention aims to solve the problems of the conventional method for determining the ore body in the large-hole mining stope.
The technical scheme adopted by the invention is as follows: a method of delineating an ore body using a large aperture, comprising the steps of:
carrying out geological logging on the bottom structure of the stope to form a lower horizontal secondary delineation plan;
the method is characterized by further comprising the following steps:
editing and recording the drilling chamber at the upper part of the stope, and editing and finishing the upper part of the drilling chamber to form an upper horizontal secondary delineation plan view at the upper part of the drilling chamber;
drawing a stope geological profile by using the ore body geological profile according to the position of the stope on the middle geological plan, and if the geological section line is within the stope range, using the ore body geological profile modified by the catalogued data as the stope geological profile; if no geological section line exists in the stope range, cutting a stope section diagram according to the upper and lower plane diagrams by using the adjacent geological section line of the stope as a reference;
providing a geological plan and a geological profile for a mining technician, wherein the geological technician assists the mining technician in designing a large-hole arrangement, so that a large-hole arrangement profile is parallel to an ore body exploration line profile;
geological personnel selects two to three macroporous flat cable sections in a stope range according to the macroporous hole distribution design, tracks the construction condition of macropores on the cable, observes the color, components and return water color of rock powder in the pores, finds that the component of the rock powder changes or the color of the rock powder and the return water color change from light to dark, records the depth of the pores at the moment, takes the depth as a top plate of an ore body to see a mine spot, continuously drills macropores, continues to track and observe, finds that the component of the rock powder changes or the color of the rock powder and the return water color change from dark to light, records the depth of the pores at the moment, and takes the depth as a bottom plate of the ore body to see the mine spot; each drilling hole on the line is tracked and recorded in such a way that the top plates are connected with the mine points to serve as the boundary line of the top plate of the ore body, and the bottom plates are connected with the mine points to serve as the boundary line of the bottom plate of the ore body;
and (4) modifying the geological section of the stope again according to the boundary line of the ore body defined by the large-hole visible mining points to form the final section of the stope, and using the final section as the basis for charging during blasting.
The invention has the advantages that
1. On the section, the delineation of the ore body is more consistent with the real state;
2. the explosive loading management is facilitated, so that the explosive is used for blasting ores as much as possible, and the blasting amount of waste rocks is reduced;
3. the loss of ores is reduced, and dilution is reduced;
4. is beneficial to the safety management of the goaf.
Drawings
Fig. 1 is a cross-sectional view of a prior art ore body cut according to upper and lower planes.
FIG. 2 is a cross-sectional view of an ore body cut according to the present invention with upper and lower planes and a large hole.
FIG. 3 is a meaning diagram of mineral labeling.
Shown in the figure: 1: vein-following, 2: vein puncture, 3: and (4) punching: ore body cut according to upper and lower planes, 5: and (4) mesopores.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
A method of delineating an ore body using a large aperture, comprising the steps of:
carrying out geological logging on the bottom structure of the stope to form a lower horizontal secondary delineation plan;
the method is characterized by further comprising the following steps:
editing and recording the drilling chamber at the upper part of the stope, and editing and finishing the upper part of the drilling chamber to form an upper horizontal secondary delineation plan view at the upper part of the drilling chamber;
drawing a stope geological profile by using the ore body geological profile according to the position of the stope on the middle geological plan, and if the geological section line is within the stope range, using the ore body geological profile modified by the catalogued data as the stope geological profile; if no geological section line exists in the stope range, cutting a stope section diagram according to the upper and lower plane diagrams by using the adjacent geological section line of the stope as a reference;
providing a geological plan and a geological profile for a mining technician, wherein the geological technician assists the mining technician in designing a large-hole arrangement, so that a large-hole arrangement profile is parallel to an ore body exploration line profile;
geological personnel selects two to three macroporous flat cable sections in a stope range according to the macroporous hole distribution design, tracks the construction condition of macropores on the cable, observes the color, components and return water color of rock powder in the pores, finds that the component of the rock powder changes or the color of the rock powder and the return water color change from light to dark, records the depth of the pores at the moment, takes the depth as a top plate of an ore body to see a mine spot, continuously drills macropores, continues to track and observe, finds that the component of the rock powder changes or the color of the rock powder and the return water color change from dark to light, records the depth of the pores at the moment, and takes the depth as a bottom plate of the ore body to see the mine spot; each drilling hole on the line is tracked and recorded in such a way that the top plates are connected with the mine points to serve as the boundary line of the top plate of the ore body, and the bottom plates are connected with the mine points to serve as the boundary line of the bottom plate of the ore body;
and (4) modifying the geological section of the stope again according to the boundary line of the ore body defined by the large-hole visible mining points to form the final section of the stope, and using the final section as the basis for charging during blasting.
In the invention, a middle geological plan: the method is characterized in that a horizontal geological section diagram is compiled by comprehensively arranging and compiling geological phenomena and mineral phenomena revealed by horizontal roadways or other projects at the same elevation (altitude); upper horizontal secondary circle plan view: "Upper level" refers to the elevation of the upper horizontal plane. The large hole mining method or VCR method, the tunnel project only has the upper horizontal drilling chamber, the lower horizontal trench and the ore removal route. After the construction of the upper horizontal drilling chamber is finished, a geological plan with the upper horizontal elevation is compiled through geological work such as compiling, sampling and the like, and the geological plan is an upper horizontal secondary circle plan. Such as "-523 meters medium geological plan". After the trench and the ore removal route construction of the lower level are finished, the geological plan with the lower level elevation is compiled through geological work such as compiling, recording and sampling, and the geological plan is the lower level secondary circle plan, if: -523 m mid-section geological plan; stope geological profile: refers to mining units divided at intervals (e.g., 10 meters, 12 meters, 15 meters, 20 meters, etc.) along the strike of an ore body. Generally, inside a stope, parallel to stope boundaries, a profile cut using upper and lower midplane (horizontal) maps and other geologic phenomena revealed by geological and mining projects is referred to as the stope geologic profile. In brief or in image, the "middle geological plan" is a transverse cut, and the "profile" is a vertical cut.
The method selects a large-hole flat cable section, adopts a stope with the width of 15 meters, and selects 2-3 flat cables. And tracking the large hole construction on the selected winding displacement section, observing the color, the composition and the backwater color of rock powder in the hole carefully, finding out the color change, measuring the hole depth in time, and recording the position of the hole depth as the boundary point of the ore rock. And (4) modifying the stope geological profile in time according to the large-hole mining site, and re-delineating the ore body as the basis for charging during blasting.
It should be understood by those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and modifications can be made on the above-mentioned embodiments without departing from the spirit of the present invention, and the modifications are within the scope of the present invention.
Claims (1)
1. A method of delineating an ore body using a large aperture, comprising the steps of:
carrying out geological logging on the bottom structure of the stope to form a lower horizontal secondary delineation plan;
the method is characterized by further comprising the following steps:
editing and recording the drilling chamber at the upper part of the stope, and editing and finishing the upper part of the drilling chamber to form an upper horizontal secondary delineation plan view at the upper part of the drilling chamber;
drawing a stope geological profile by using the ore body geological profile according to the position of the stope on the middle geological plan, and if the geological section line is within the stope range, using the ore body geological profile modified by the catalogued data as the stope geological profile; if no geological section line exists in the stope range, cutting a stope section diagram according to the upper and lower plane diagrams by using the adjacent geological section line of the stope as a reference;
providing a geological plan and a geological profile for a mining technician, wherein the geological technician assists the mining technician in designing a large-hole arrangement, so that a large-hole arrangement profile is parallel to an ore body exploration line profile;
geological personnel selects two to three macroporous flat cable sections in a stope range according to the macroporous hole distribution design, tracks the construction condition of macropores on the cable, observes the color, components and return water color of rock powder in the pores, finds that the component of the rock powder changes or the color of the rock powder and the return water color change from light to dark, records the depth of the pores at the moment, takes the depth as a top plate of an ore body to see a mine spot, continuously drills macropores, continues to track and observe, finds that the component of the rock powder changes or the color of the rock powder and the return water color change from dark to light, records the depth of the pores at the moment, and takes the depth as a bottom plate of the ore body to see the mine spot; each drilling hole on the line is tracked and recorded in such a way that the top plates are connected with the mine points to serve as the boundary line of the top plate of the ore body, and the bottom plates are connected with the mine points to serve as the boundary line of the bottom plate of the ore body;
and (4) modifying the geological section of the stope again according to the boundary line of the ore body defined by the large-hole visible mining points to form the final section of the stope, and using the final section as the basis for charging during blasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911022491.9A CN110847908B (en) | 2019-10-25 | 2019-10-25 | Method for delineating ore body by utilizing macropores |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911022491.9A CN110847908B (en) | 2019-10-25 | 2019-10-25 | Method for delineating ore body by utilizing macropores |
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| CN110847908A true CN110847908A (en) | 2020-02-28 |
| CN110847908B CN110847908B (en) | 2021-06-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279980A (en) * | 2010-06-13 | 2011-12-14 | 中国地质科学院矿产资源研究所 | Geological exploration ore body three-dimensional modeling method and device thereof |
| CN106761745A (en) * | 2017-03-06 | 2017-05-31 | 长沙矿山研究院有限责任公司 | The outer sublevel open stope method of arteries and veins |
| CN108254802A (en) * | 2018-01-11 | 2018-07-06 | 武志明 | A kind of technique for delineating on metalliferous deposit boundary influenced by secondary fragmentation construction |
-
2019
- 2019-10-25 CN CN201911022491.9A patent/CN110847908B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279980A (en) * | 2010-06-13 | 2011-12-14 | 中国地质科学院矿产资源研究所 | Geological exploration ore body three-dimensional modeling method and device thereof |
| CN106761745A (en) * | 2017-03-06 | 2017-05-31 | 长沙矿山研究院有限责任公司 | The outer sublevel open stope method of arteries and veins |
| CN108254802A (en) * | 2018-01-11 | 2018-07-06 | 武志明 | A kind of technique for delineating on metalliferous deposit boundary influenced by secondary fragmentation construction |
Non-Patent Citations (1)
| Title |
|---|
| 杨志强: "《大直径深孔采场矿体"二次圈定"方法与实践》", 《金属矿山》 * |
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