阅读说明：本技术 一种利用大孔圈定矿体的方法 (Method for delineating ore body by utilizing macropores ) 是由 李品杰 徐刚 郑顺喜 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种利用大孔圈定矿体的方法,包括以下步骤：对采场的底部结构进行地质编录,形成下水平二次圈定平面图；其特征在于还包括以下步骤：对采场上部的凿岩硐室进行编录,对上部编录经整理后在上部凿岩硐室平面,形成上水平二次圈定平面图；根据采场在中段地质平面图上的位置,利用矿体地质剖面图来绘制采场地质剖面图,如果地质剖面线在该采场范围内,则用据编录资料修改后的矿体地质剖面图作为该采场地质剖面图；把地质平面图、地质剖面图提供给采矿技术人员,地质技术人员协助采矿技术人员进行大孔布孔设计；地质人员据大孔布孔设计,选取采场范围内的二至三条大孔排线剖面,对线上的大孔施工情况进行跟踪。(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.)

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.

Technical Field

The invention relates to a method for delineating an ore body by utilizing a large hole.

Background

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.