CN109637324A - A kind of method that original lamina occurrence restores - Google Patents
A kind of method that original lamina occurrence restores Download PDFInfo
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- CN109637324A CN109637324A CN201811551679.8A CN201811551679A CN109637324A CN 109637324 A CN109637324 A CN 109637324A CN 201811551679 A CN201811551679 A CN 201811551679A CN 109637324 A CN109637324 A CN 109637324A
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Abstract
The invention discloses a kind of methods that original lamina occurrence restores, comprising the following steps: measures inclination angle and the tendency of the attitude of rocks and lamina occurrence now respectively；A cartesian coordinate system is established, and the inclination angle of the attitude of rocks and lamina occurrence now and tendency are showed by line segment respectively in cartesian coordinate system, obtains rock stratum line segment, lamina line segment；The endpoint of connection rock stratum line segment, lamina line segment is fastened in cartesian coordinate again, obtains original line segments；Finally original lamina occurrence is obtained according to the parallel original line segments that step 3 obtains.The present invention utilizes the Vector modulation principle of senior middle school, is restored using Vector triangle to original lamina occurrence, principle is simple；And accuracy is high.
Description
Technical field
The present invention relates to the original occurrence of geology field paleocurrent research lamina to restore, and especially a kind of original lamina occurrence is extensive
Multiple method.
Background technique
In the method that research sedimentary rock paleocurrent direction commonly uses the lamina occurrence into stratum often, still, due to original line
For layer after by tectonic activities, occurrence has occurred that large change.Therefore, paleocurrent is studied by lamina occurrence
With regard to needing to restore the lamina occurrence measured now, to reflect that deposition period surveys lamina occurrence.Existing method is main
Using stereographic projection principle, hand drawn is carried out using wulff net；But stereographic projection theory is more abstract, and classroom is taught
It learns, the geologic feature that student is difficult to that stereographic projection is generated and changed with lamina is associated；The cumbersome time-consuming of graphical method, especially
, need to be by wulff net when it is the stereogram of drafting by hand, accuracy is poor, not high for paleocurrent research accuracy.
Summary of the invention
The present invention mainly overcomes shortcoming in the prior art, proposes a kind of high original of easy to operate, accuracy
The method that lamina occurrence restores.
The present invention solves technical solution provided by above-mentioned technical problem: a kind of method that original lamina occurrence restores,
The following steps are included:
Step 1, inclination angle and the tendency for measuring the attitude of rocks and lamina occurrence now respectively；
Step 2 establishes a cartesian coordinate system, and by the inclination angle of the attitude of rocks and lamina occurrence now and tendency in flute
It is showed respectively by line segment in karr coordinate system, obtains rock stratum line segment, lamina line segment；
Step 3, the endpoint that connection rock stratum line segment, lamina line segment are fastened in cartesian coordinate again, obtain original line segments；
Step 4 finally according to the parallel original line segments that step 3 obtains obtains original lamina occurrence.
Further technical solution is that the abscissa in the cartesian coordinate system represents east-west direction, and ordinate represents
North and South direction；The length representative inclination angle of reference axis.
Further technical solution is the length representative inclination angle of step 2 middle conductor, and the azimuth of line segment, which represents, inclines
To.
Further technical solution is the detailed process of the step 4 are as follows: using original line segments, rock stratum line segment as both sides,
Cartesian coordinate, which is fastened, does parallelogram, obtains parallel original line segments, parallel rock stratum line segment, then fastens in cartesian coordinate
Length and the azimuth for measuring parallel original line segments finally obtain inclination angle, the tendency of original lamina occurrence.
Beneficial effects of the present invention: the present invention utilizes the Vector modulation principle of senior middle school, using Vector triangle to original line
Layer occurrence is restored, and principle is simple；And accuracy is high.
Detailed description of the invention
Fig. 1 is the cartesian coordinate system schematic diagram in the embodiment of the present invention 1；
Fig. 2 is rock stratum line segment schematic diagram in the embodiment of the present invention 1；
Fig. 3 is lamina line segment schematic diagram in the embodiment of the present invention 1；
Fig. 4 is original line segments schematic diagram in the embodiment of the present invention 1；
Fig. 5 is parallel original line segments, parallel rock stratum line segment schematic diagram in the embodiment of the present invention 1.
Specific embodiment
Further description is done to the present invention below with reference to embodiment and attached drawing.
Embodiment 1
The method that a kind of original lamina occurrence of the invention restores, comprising the following steps:
Step 1, inclination angle and the tendency for measuring the attitude of rocks and lamina occurrence now respectively, respectively obtaining the attitude of rocks is
295 °, 68 ° of ∠, now lamina occurrence are 305 °, 39 ° of ∠；
Step 2 establishes a cartesian coordinate system (as shown in Figure 1), and the abscissa in the cartesian coordinate system represents
East-west direction, ordinate represent North and South direction；The length representative inclination angle of reference axis；
And the inclination angle of the attitude of rocks and lamina occurrence now and tendency are passed through into line segment form respectively in cartesian coordinate system
It shows and, obtain rock stratum line segment (as shown in Figure 2), lamina line segment (as shown in Figure 3), the length representative inclination angle of middle conductor, line
The azimuth of section represents tendency；
Step 3, the endpoint that connection rock stratum line segment, lamina line segment are fastened in cartesian coordinate again, obtain original line segments (as schemed
Shown in 4)；
Step 4, using original line segments, rock stratum line segment as both sides, fastened in cartesian coordinate and do parallelogram, obtained parallel
Original line segments, parallel rock stratum line segment (as shown in Figure 5),
Then it is fastened in cartesian coordinate and measures length and the azimuth of parallel original line segments, finally obtained original lamina and produce
Shape is 102.09 °, 30.36 ° of ∠.
Embodiment 2
Inclination angle and the tendency for measuring the attitude of rocks and lamina occurrence now respectively, respectively obtaining the attitude of rocks is 94 °, ∠
53 °, lamina occurrence now be 338 °, 53 ° of ∠, the step for then using embodiment 1 identical obtain beginning lamina occurrence for
327.11°、∠58.38°。
Embodiment 3
Inclination angle and the tendency for measuring the attitude of rocks and lamina occurrence now respectively, respectively obtaining the attitude of rocks is 351 °, ∠
42 °, lamina occurrence now be 15 °, 31 ° of ∠, the step for then using embodiment 1 identical obtain beginning lamina occurrence for 128.21 °,
∠18.62°。
Comparative example
Then according to the attitude of rocks in above-described embodiment 1-3 and the data of lamina occurrence now, restored by wulff net,
Obtained original lamina occurrence；Itself the result is as follows:
It is smaller to compare difference known to above-mentioned data, that is, knows that accuracy of the invention is higher and easy to operate.
The above is not intended to limit the present invention in any form, although the present invention takes off through the foregoing embodiment
Show, however, it is not intended to limit the invention, any person skilled in the art, is not departing from technical solution of the present invention range
It is interior, made when the technology contents using the disclosure above and change or be modified to the equivalent embodiments of equivalent variations a bit, but it is all not
Be detached from technical solution of the present invention content, according to the technical essence of the invention it is to the above embodiments it is any it is simple modification,
Equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (4)
1. a kind of method that original lamina occurrence restores, which comprises the following steps:
Step 1, inclination angle and the tendency for measuring the attitude of rocks and lamina occurrence now respectively；
Step 2 establishes a cartesian coordinate system, and by the inclination angle of the attitude of rocks and lamina occurrence now and tendency in Descartes
It is showed respectively by line segment in coordinate system, obtains rock stratum line segment, lamina line segment；
Step 3, the endpoint that connection rock stratum line segment, lamina line segment are fastened in cartesian coordinate again, obtain original line segments；
Step 4 finally according to the parallel original line segments that step 3 obtains obtains original lamina occurrence.
2. the method that a kind of original lamina occurrence according to claim 1 restores, which is characterized in that the cartesian coordinate
Abscissa in system represents east-west direction, and ordinate represents North and South direction；The length representative inclination angle of reference axis.
3. the method that a kind of original lamina occurrence according to claim 2 restores, which is characterized in that step 2 middle line
The azimuth at the length representative inclination angle of section, line segment represents tendency.
4. the method that a kind of original lamina occurrence according to claim 3 restores, which is characterized in that the tool of the step 4
Body process are as follows: using original line segments, rock stratum line segment as both sides, fastened in cartesian coordinate and do parallelogram, obtained parallel original
Then line segment, parallel rock stratum line segment are fastened in cartesian coordinate and measure length and the azimuth of parallel original line segments, finally obtain
The inclination angle of original lamina occurrence, tendency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551679.8A CN109637324B (en) | 2018-12-19 | 2018-12-19 | Method for recovering original stripe layer occurrence |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551679.8A CN109637324B (en) | 2018-12-19 | 2018-12-19 | Method for recovering original stripe layer occurrence |
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| CN109637324A true CN109637324A (en) | 2019-04-16 |
| CN109637324B CN109637324B (en) | 2020-08-28 |
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| CN103514630A (en) * | 2013-10-16 | 2014-01-15 | 北京石油化工学院 | Fault structure three-dimensional modeling method |
| CN105955939A (en) * | 2016-04-27 | 2016-09-21 | 中国石油大学(华东) | Excel-based method for drawing oblique rose diagram of geologic body and geologic elements |
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2018
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| CN202025180U (en) * | 2011-04-26 | 2011-11-02 | 东北石油大学 | Stereographic projector |
| KR200463225Y1 (en) * | 2012-08-28 | 2012-10-30 | 이종호 | Apparatus for measuring strike and dip |
| CN103514630A (en) * | 2013-10-16 | 2014-01-15 | 北京石油化工学院 | Fault structure three-dimensional modeling method |
| CN105955939A (en) * | 2016-04-27 | 2016-09-21 | 中国石油大学(华东) | Excel-based method for drawing oblique rose diagram of geologic body and geologic elements |
| CN106443813A (en) * | 2016-08-31 | 2017-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Live-action shooting device for exploratory adit and high-resolution three-dimensional image reconstruction method |
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