CN109614741A - The strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity - Google Patents
The strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity Download PDFInfo
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- 229910052770 Uranium Inorganic materials 0.000 title claims abstract description 35
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 230000000694 effects Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- 210000000554 iris Anatomy 0.000 claims abstract description 42
- 208000035126 Facies Diseases 0.000 claims abstract description 39
- 230000003647 oxidation Effects 0.000 claims abstract description 27
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 21
- 230000002285 radioactive effect Effects 0.000 claims abstract description 20
- 229910052704 radon Inorganic materials 0.000 claims abstract description 19
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000008021 deposition Effects 0.000 claims abstract description 12
- 230000002349 favourable effect Effects 0.000 claims abstract description 10
- 230000002159 abnormal effect Effects 0.000 claims description 31
- 238000013139 quantization Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 17
- 208000002173 dizziness Diseases 0.000 claims description 15
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 12
- 238000011835 investigation Methods 0.000 claims description 12
- 239000011707 mineral Substances 0.000 claims description 12
- 238000001730 gamma-ray spectroscopy Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 244000061458 Solanum melongena Species 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention belongs to uranium exploration technical fields, and in particular to a kind of strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity.The present invention prepares regional geologic map the following steps are included: step 1；Step 2 determines destination layer；Step 3, establishment deposition phasor, irises out favorable sedimentary facies belt range；Step 4 irises out construction and is lifted relatively weak range；Step 5 irises out earth's surface radioactive anomaly range；Step 6 irises out uranium exception distribution of boreholes range；Step 7 irises out secondary oxidation zone range；Step 8 irises out radon anomalies range；Step 9 predicts prospective area.The present invention provides the factors such as sufficiently comprehensive sedimentary facies, tectonic activity, oxidized zone, drilling exception, earth's surface radioactive anomaly, Anomaly recognition exception, the strongly regional sandstone-type uranium deposit prospective area of integrated forecasting neotectonics activity.
Description
Technical field
The invention belongs to uranium exploration technical fields, and in particular to a kind of strongly regional sandstone-type uranium deposit of neotectonics activity
Predication of Prospective Areas method.
Background technique
Neotectonic movement tectonic activity is strong, uplift erosion is strong, destroys the sandstone uranium mineralization and oxidized zone of early formation,
Great difficulty is caused in such regional sandstone Prospecting For Uranium.China's neotectonic movement coverage is extensive, on such ground
Area's prediction sandstone Prospective area for uranium is badly in need of a kind of effective method, therefore establishes a kind of strongly regional sandstone of neotectonics activity
Type Prospective area for uranium prediction technique is extremely necessary.
Summary of the invention
The technical problem to be solved by the present invention is to big for the strongly regional Prospecting Sandstone-type Uranium Deposits difficulty of neotectonics activity
The problem of, a kind of strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity is provided, deposition can be sufficiently integrated
The factors such as phase, tectonic activity, oxidized zone, earth's surface radioactive anomaly, Anomaly recognition exception, the strongly regional sand of prediction neotectonics activity
Lithotype Prospective area for uranium.
The technical solution adopted in the present invention:
The strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity, includes the following steps:
Step 1 prepares regional geologic map: collecting the regional geologic map of area's Prospective area for uranium to be predicted, geologic map ratio
Ruler is 1:25 ten thousand, 1:20 ten thousand, 1:5 Wan Junke；
Step 2 determines destination layer: investigating region geologic information to be predicted, carries out outcrop investigation, investigates drilling well
Core gets colors containing carbon dust, folder seam, the group in coal seam to be destination layer in grey, sandstone；
Step 3, establishment deposition phasor, iris out favorable sedimentary facies belt range: area to be predicted carry out geological profile survey,
Mineral product geology investigation is edited and recorded data according to profile survey, investigation result of appearing, drilling, it is heavy that area to be predicted is worked out as unit of group
Product phasor, Division of Sedimentary Facies band, Mapgis vector quantization have the deposition phasor of projection coordinate's system；In the heavy of Mapgis vector quantization
In product phasor, Sedimentary Model of Braided River Facies, braided river delta, meandering river facies, meandering stream delta phase are selected, is irised out with multiple spot broken line
Close range, as favorable sedimentary facies belt range；
Step 4 irises out construction and is lifted relatively weak range: according to mineral product geology investigation result, irising out structure on geologic map
It makes and is lifted relatively weak region；
Step 5 irises out earth's surface radioactive anomaly range: carrying out the area measurement of earth's surface gamma-ray spectrometry in area to be predicted, irises out
Earth's surface radioactive anomaly point, abnormal belt and abnormal dizzy distribution；
Step 6 irises out uranium exception distribution of boreholes range: according to drilling radioactive logging curve, being gone out with organizing for unit selection
With the drilling of radioactive anomaly in destination layer, and the drilling picked out to organize as cell projection at corresponding group of establishment
It deposits in phasor；
Step 7 irises out secondary oxidation zone range: (1) by the group of destination layer that step 2 determine as unit of, screening drilling,
Pick out the drilling of secondary oxidation；(2) as unit of the group for the destination layer that step 2 determines, the drilling of secondary oxidation is irised out
Distribution；It is investigated according to mineral product geology, as unit of group；(3) it is irised out with multiple spot broken line secondary oxygen using mapgis software
Change band range；
Step 8 irises out radon anomalies range: carrying out Anomaly recognition area measurement in area to be predicted, irises out radon anomalies
Point, abnormal belt and abnormal dizzy distribution, using Mapgis software, iris out radon anomalies point, abnormal belt, abnormal dizzy distribution
Range is projected on the geologic map of step 1 vector quantization；
Step 9 predicts prospective area: the construction that favorable sedimentary facies belt range that step 3 is irised out, step 4 are irised out is lifted
Relatively weak range, step 5 iris out earth's surface radioactive anomaly range, step 6 is irised out abnormal distribution of boreholes range, step 7
The radon anomalies range that secondary oxidation zone range, the step 8 irised out are irised out all is projected in the areal geology of step 1 vector quantization
On figure.
In the step 1, geologic map is Mapgis vector quantization electronics graph, and graph has projective parameter and coordinate.
In the step 3, profile survey scale bar requires to be not less than 1:10000, and scale bar is bigger, and compilation precision is higher；
It is 1:50000 that mineral product geology, which investigates scale bar,；Sedimentary facies compilation scale bar requires to be not less than 1:250000, and the bigger volume of scale bar
Figure precision is higher；Drilling hole amount is more, and compilation precision is higher.
In the step 4, construction is lifted relatively weak area judging foundation are as follows: the 1. relatively slow region of stratigraphic dip,
2. the end regions that pitch of fold, 3. develop the cross fracture region vertical with regional main construction line, cross fracture shows in landform
For the river or valley for cutting through mountain range, landform is more gentle on region, and the covering of mostly the 4th system, which can be with 1
Separately as distinguishing rule, it a plurality of can also combine and be used as distinguishing rule.
In the step 4, construction lifting is irised out on the regional geologic map of step 1 vector quantization using Mapgis relatively
Weak range irises out closed area with multiple spot broken line, and the region irised out can be arrived multiple for 1.
In the step 5, earth's surface gamma-ray spectrometry area measurement uses instrument requirements for four gamma spectrometers；Scale bar
It is required that being not less than 1:500000, and scale bar is bigger, and it is higher to iris out earth's surface radioactive anomaly range accuracy；Measurement and abnormal point,
Abnormal belt, extremely dizzy calculating execute specification " ground gamma-ray spectrometry specification (EJ/T363-1998) ".
In the step 7, it is grey, grey-green sandstone since secondary oxidation shows that secondary oxidation mark, which is primary,
For yellow, red, aubergine, brown, visible grey agglomerate residual in sandstone is aoxidized；The secondary oxidation zone distribution that broken line is irised out
Range is closed area, and secondary oxidation zone distribution can arrive multiple in single group for 1.
In the step 8, area measurement scale bar is not less than 1:10 ten thousand, and scale bar is bigger, and precision is higher；Measurement range
Plane projection range will be located at step 3 in mark off in the following facies tract of sedimentary facies belt: pigtail river facies, braided river delta,
Meandering stream, meandering stream delta phase；Radon gas area measurement method and abnormal point, abnormal belt, extremely dizzy calculating are referring to specification " radon
And its daughter specifications of surveys (EJ/T 605-91) ".
In the step 9, the reliability of prospective area according to the range overlapping degree that above-mentioned steps three to step 8 are irised out come
It determines, the higher region of overlapping degree, prospective area reliability is higher；Region except the sharp sedimentary facies belt range that step 3 is irised out
It cannot function as prospective area；The region that the construction that step 4 is irised out is lifted except relatively weak range cannot function as prospective area.
Beneficial effects of the present invention: the present invention is big for the strongly regional sandstone Prospecting For Uranium difficulty of neotectonics activity, builds
The method for having stood such a set of area prediction sandstone Prospective area for uranium prediction, can effectively save the time, improve efficiency.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
A kind of strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity provided by the invention, including it is following
Step:
Step 1 prepares regional geologic map
With collecting the region that will predict strong regional (the area hereinafter referred to as to be predicted) Prospective area for uranium of neotectonics activity
Matter figure, geology drawing scale are 1:25 ten thousand, 1:20 ten thousand, 1:5 Wan Junke.Step 1 requirement are as follows: geologic map is Mapgis vector quantization
Electronics graph, graph have projective parameter and coordinate.
Step 2 determines destination layer
It investigates region geologic information to be predicted, carry out outcrop investigation, investigate drill core, get colors as ash
In color, sandstone containing carbon dust, folder seam, the group in coal seam be destination layer.Destination layer can arrive several for 1.
Step 3, establishment deposition phasor, irises out favorable sedimentary facies belt range
Carry out geological profile survey, mineral product geology investigation in area to be predicted, according to profile survey, investigation result of appearing, bores
Data is edited and recorded in hole, and deposition phasor in area's to be predicted, Division of Sedimentary Facies band are worked out as unit of group, and there is Mapgis vector quantization projection to sit
The deposition phasor of mark system.
In the deposition phasor of Mapgis vector quantization, Sedimentary Model of Braided River Facies, braided river delta, meandering river facies, song are selected
River delta facies is flowed, close range is irised out with multiple spot broken line, as favorable sedimentary facies belt range.
It is required in step 3 are as follows: (1) profile survey scale bar requires to be not less than 1:10000, the bigger compilation precision of scale bar
It is higher；(2) mineral product geology investigation scale bar is 1:50000；(3) sedimentary facies compilation scale bar requires to be not less than 1:250000, and
Scale bar is bigger, and compilation precision is higher；(4) drilling hole amount is more, and compilation precision is higher.
Step 4 irises out construction and is lifted relatively weak range
According to mineral product geology investigation result, construction is irised out on geologic map and is lifted relatively weak region.Construction lifting is opposite
Weaker area judging foundation are as follows: the 1. relatively slow region of stratigraphic dip, 2. the end regions that pitch of fold, 3. develop and regionality
The vertical cross fracture region of main construction line, cross fracture show as cutting through in landform the river or valley on mountain range, landform on region
More gentle, the covering of mostly the 4th system, which can be with 1 separately as distinguishing rule, can also a plurality of combination conduct
Distinguishing rule.
Step 4 requirement are as follows: iris out construction lifting on the regional geologic map of step 1 vector quantization using Mapgis relatively
Weak range irises out closed area with multiple spot broken line, and the region irised out can be arrived multiple for 1.
Step 5 irises out earth's surface radioactive anomaly range
Carry out the area measurement of earth's surface gamma-ray spectrometry in area to be predicted, irises out earth's surface uranium abnormal point, abnormal belt and dizzy point of exception
Cloth range.
Require in step 5: (1) area measurement of earth's surface gamma-ray spectrometry uses instrument requirements for four gamma spectrometers；(2):
Scale bar requires to be not less than 1:500000, and scale bar is bigger, and it is higher to iris out earth's surface radioactive anomaly range accuracy；(3) it measures
And abnormal point, abnormal belt, extremely dizzy calculating execute specification " ground gamma-ray spectrometry specification (EJ/T363-1998) ".
Step 6 irises out uranium exception distribution of boreholes range
According to drilling radioactive logging curve, to organize the drilling for going out in destination layer to have radioactive anomaly for unit selection,
And the drilling picked out to organize as cell projection in corresponding group of establishment of deposition phasor.
Step 7 irises out secondary oxidation zone range
(1) as unit of the group for the destination layer that step 2 determines, the drilling of secondary oxidation is picked out in screening drilling；(2)
As unit of the group of the destination layer determined by step 2, the distribution of boreholes range of secondary oxidation is irised out.It is investigated according to mineral product geology,
As unit of group；(3) a secondary oxidation zone range is irised out with multiple spot broken line using mapgis software.
Require in step 7: (1) it is grey, grey-green sandstone due to secondary oxidation table that secondary oxidation mark, which is primary,
Now it is yellow, red, aubergine, brown, aoxidizes visible grey agglomerate residual in sandstone；(2) the secondary oxidation that broken line is irised out
Band distribution is closed area, and secondary oxidation zone distribution can arrive multiple in single group for 1.
Step 8 irises out radon anomalies range
Carry out Anomaly recognition area measurement in area to be predicted, iris out radon anomalies point, abnormal belt and abnormal dizzy distribution,
Using Mapgis software, the radon anomalies point irised out, abnormal belt, abnormal dizzy distribution are projected in the ground of step 1 vector quantization
On matter figure.
It is required in step 8 are as follows: (1) area measurement scale bar is not less than 1:10 ten thousand, and scale bar is bigger, and precision is higher；(2)
The plane projection range of measurement range, which will be located in step 3, to be marked off in the following facies tract of sedimentary facies belt: pigtail river facies, braided stream
Delta facies, meandering stream, meandering stream delta phase；(4) radon gas area measurement method and abnormal point, abnormal belt, extremely dizzy meter
It calculates referring to specification " radon and its daughter specifications of surveys (EJ/T 605-91) ".
Step 9 predicts prospective area
The construction that favorable sedimentary facies belt range that step 3 is irised out, step 4 are irised out is lifted relatively weak range, step
Five iris out earth's surface radioactive anomaly range, the secondary oxidation zone that the abnormal distribution of boreholes range that step 6 is irised out, step 7 are irised out
The radon anomalies range that range, step 8 are irised out all is projected on the regional geologic map of step 1 vector quantization.
The requirement of step 9 are as follows: (1) reliability of prospective area is overlapped according to the range that above-mentioned steps three to step 8 are irised out
Degree determines, the higher region of overlapping degree, and prospective area reliability is higher.(2) the sharp sedimentary facies belt range that step 3 is irised out
Except region cannot function as prospective area.(3) region that the construction that step 4 is irised out is lifted except relatively weak range cannot be made
For prospective area.
Claims (9)
1. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity, characterized by the following steps:
Step 1 prepares regional geologic map: collecting the regional geologic map of area's Prospective area for uranium to be predicted, geology drawing scale is
1:25 ten thousand, 1:20 ten thousand, 1:5 Wan Junke；
Step 2 determines destination layer: it investigates region geologic information to be predicted, carry out outcrop investigation, investigate drill core,
It gets colors containing carbon dust, folder seam, the group in coal seam to be destination layer in grey, sandstone；
Step 3, establishment deposition phasor, irises out favorable sedimentary facies belt range: carrying out geological profile survey, mineral products in area to be predicted
Geologic survey is edited and recorded data according to profile survey, investigation result of appearing, drilling, area's sedimentary facies to be predicted is worked out as unit of group
Figure, Division of Sedimentary Facies band, Mapgis vector quantization have the deposition phasor of projection coordinate's system；In the sedimentary facies of Mapgis vector quantization
In figure, Sedimentary Model of Braided River Facies, braided river delta, meandering river facies, meandering stream delta phase are selected, closing is irised out with multiple spot broken line
Range, as favorable sedimentary facies belt range；
Step 4 irises out construction and is lifted relatively weak range: according to mineral product geology investigation result, construction lift is irised out on geologic map
Rise relatively weak region；
Step 5 irises out earth's surface radioactive anomaly range: carrying out the area measurement of earth's surface gamma-ray spectrometry in area to be predicted, irises out earth's surface
Radioactive anomaly point, abnormal belt and abnormal dizzy distribution；
Step 6 irises out uranium exception distribution of boreholes range: being that unit selection goes out target with group according to drilling radioactive logging curve
There is the drilling of radioactive anomaly in layer, and the drilling picked out is organized corresponding group of the deposition for cell projection in establishment
In phasor；
Step 7 irises out secondary oxidation zone range: (1) as unit of the group for the destination layer that step 2 determines, screening drilling is selected
There is the drilling of secondary oxidation out；(2) as unit of the group for the destination layer that step 2 determines, the distribution of boreholes of secondary oxidation is irised out
Range；It is investigated according to mineral product geology, as unit of group；(3) secondary oxidation zone is irised out with multiple spot broken line using mapgis software
Range；
Step 8 irises out radon anomalies range: carrying out Anomaly recognition area measurement in area to be predicted, irises out radon anomalies point, different
Often band and abnormal dizzy distribution, using Mapgis software, iris out radon anomalies point, abnormal belt, abnormal dizzy distribution
It is projected on the geologic map of step 1 vector quantization；
Step 9 predicts prospective area: the construction that favorable sedimentary facies belt range that step 3 is irised out, step 4 are irised out is lifted opposite
Weaker range, step 5 iris out earth's surface radioactive anomaly range, step 6 is irised out abnormal distribution of boreholes range, step 7 are irised out
Secondary oxidation zone range, the radon anomalies range irised out of step 8 be all projected in the regional geologic map of step 1 vector quantization
On.
2. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 1, feature
Be: in the step 1, geologic map is Mapgis vector quantization electronics graph, and graph has projective parameter and coordinate.
3. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 2, feature
Be: in the step 3, profile survey scale bar requires to be not less than 1:10000, and scale bar is bigger, and compilation precision is higher；Mineral products
Geologic survey scale bar is 1:50000；Sedimentary facies makes picture scale bar requirement not less than 1:250000, and the bigger compilation of scale bar is smart
It spends higher；Drilling hole amount is more, and compilation precision is higher.
4. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 3, feature
Be: in the step 4, construction is lifted relatively weak area judging foundation are as follows: the 1. relatively slow region of stratigraphic dip, 2.
The end regions that pitch of fold, 3. develop the cross fracture region vertical with regional main construction line, and cross fracture is shown as in landform
The river or valley on mountain range are cut through, landform is more gentle on region, and the covering of mostly the 4th system, which can be with 1 list
It is solely used as distinguishing rule, a plurality of can also combine and be used as distinguishing rule.
5. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 4, feature
It is: in the step 4, it is relatively weak irises out construction lifting on the regional geologic map of step 1 vector quantization using Mapgis
Range, closed area is irised out with multiple spot broken line, the region irised out can be for 1 to multiple.
6. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 5, feature
Be: in the step 5, earth's surface gamma-ray spectrometry area measurement uses instrument requirements for four gamma spectrometers；Scale bar requirement
Not less than 1:500000, and scale bar is bigger, and it is higher to iris out earth's surface radioactive anomaly range accuracy；Measurement and abnormal point, exception
Band, extremely dizzy calculating execute specification " ground gamma-ray spectrometry specification (EJ/T363-1998) ".
7. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 6, feature
Be: in the step 7, it is grey, grey-green sandstone since secondary oxidation shows as Huang that secondary oxidation mark, which is primary,
Color, red, aubergine, brown aoxidize visible grey agglomerate residual in sandstone；The secondary oxidation zone distribution that broken line is irised out
For closed area, secondary oxidation zone distribution can be for 1 to multiple in single group.
8. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 7, feature
Be: in the step 8, area measurement scale bar is not less than 1:10 ten thousand, and scale bar is bigger, and precision is higher；Measurement range is put down
Face drop shadow spread, which will be located in step 3, to be marked off in the following facies tract of sedimentary facies belt: pigtail river facies, braided river delta, meander
River, meandering stream delta phase；Radon gas area measurement method and abnormal point, abnormal belt, extremely dizzy calculating referring to specification " radon and its
Daughter specifications of surveys (EJ/T 605-91) ".
9. the strongly regional sandstone-type uranium deposit Predication of Prospective Areas method of neotectonics activity according to claim 8, feature
Be: in the step 9, the range that the reliability of prospective area is irised out according to above-mentioned steps three to step 8 overlaps degree to determine
It is fixed, the higher region of degree is overlapped, prospective area reliability is higher；Region except the sharp sedimentary facies belt range that step 3 is irised out is not
Prospective area can be used as；The region that the construction that step 4 is irised out is lifted except relatively weak range cannot function as prospective area.
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