CN107367770A - The technique for delineating of the favourable section of sandrock-type uranium-bearing Basin Metallogenic is soaked a kind ofly - Google Patents
The technique for delineating of the favourable section of sandrock-type uranium-bearing Basin Metallogenic is soaked a kind ofly Download PDFInfo
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Abstract
The invention belongs to Prospecting Sandstone-type Uranium Deposits field, specifically discloses the technique for delineating for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, including：It is determined that research area and selection destination layer position；Gather the earth's surface or drilling coal petrography or charcoal mudrock rock sample of basin edge destination layer position bottom plate；Gather above-mentioned sample same layer position sample of sandstone；Coal petrography or charcoal mudrock rock sample to collection carry out reflectance of vitrinite measure, calculate the stratum of mesh containing ore deposit paleogeothermal gradient；Apatite mineral is chosen to the sample of sandstone of collection, carries out the relation that Apatite fission track surveys temperature and time in year and inverting its structural evolution；Verify whether above-mentioned inversion result matches, if coincide, take results of measuring, if misfitting, censored sample whether specification；Erosion sediment thickness isogram in research area is drawn according to erosion sediment thickness result of calculation, research constructs restrictive function of the uplift erosion to U metallogeny, and then draws a circle to approve Beneficial Ore-forming section.This method sample objects are clear and definite, and analysis process is clear, simple to operate.
Description
Technical field
Ore deposit field is predicted and looked for the invention belongs to Formation of Sandstone-type Uranium Deposits in uranium-bearing basin, and in particular to soaks sandstone a kind ofly
The technique for delineating of the favourable section of type uranium-bearing Basin Metallogenic.
Background technology
The formation of sandrock-type uranium deposit is a complicated process.For generally, Formation of Sandstone-type Uranium Deposits will have abundant
Uranium source, good mud-sand-mud ground Rotating fields, fairly large slope belt and favourable underground water benefit-footpath-heat-extraction system, need to contain
Uranium is continually taken to suitable local enrichment of ore-forming by ore deposit fluid.
The method that the favourable section of ore deposit is positioned in ground leaching sandrock-type uranium-bearing basin is a lot, the method master of single factors analysis
There are physical prospecting electromagnetic method, geological data interpretative method, sedimentsization to visit mensuration, soil radon measurement method etc..Also can will be upper
Combination of Methods utilization is stated, increases measurement accuracy.But either geological method, or Geophysical And Geochemical Methods have the limitation of oneself,
Such as can not macroscopical calmodulin binding domain CaM geological structure thermal history will into the delineation of the favourable section of ore deposit from time dimension longitudinally deploy.
The content of the invention
It is an object of the invention to provide a kind of soak the technique for delineating of the favourable section of sandrock-type uranium-bearing Basin Metallogenic, the party
Method sample objects are clear and definite, and analysis process is clear, simple to operate.
Realize the technical scheme of the object of the invention：The delineation side of the favourable section of sandrock-type uranium-bearing Basin Metallogenic is soaked a kind ofly
Method, this method comprise the following steps：
Step 1, determine research area and choose destination layer position；
The earth's surface or drilling coal petrography or charcoal mudrock rock sample of step 2, collection basin edge destination layer position bottom plate；
Sample same layer position sample of sandstone described in step 3, acquisition step 2；
Step 4, the coal petrography gathered to step 2 or charcoal mudrock rock sample carry out reflectance of vitrinite Ro measure, and count
Calculate the paleogeothermal gradient H on the stratum of mesh containing ore deposit；
Step 5, the sample of sandstone gathered to step 3 choose apatite mineral, carry out Apatite fission track and survey year and inverting
The relation of temperature and time in its structural evolution；
Whether step 6, the inversion result of verification step 5 match with step 4, if coincideing, take erosion sediment thickness result of calculation,
If misfitting, the sampling of checking step 2 and 3 whether specification；
It is equivalent that step 7, the erosion sediment thickness result of calculation to match obtained according to step 6 draw erosion sediment thickness in research area
Line chart, research constructs restrictive function of the uplift erosion to U metallogeny, and then draws a circle to approve Beneficial Ore-forming section.
1 in described step 1:50000-1:Research area's scope, and selection target layer position are determined in 200000 uranium geology figures
As research purpose layer；Described step 1 is in South Yili Basin 1:Determination research area's scope on 50000 geologic maps, and in selection-
Lower Jurassic Series Shuixigou Group Xishanyao group layer position is as research purpose layer.
Coal petrography or charcoal in gathering target zone bottom plate or reference lamina in sedimentary basin periphery or drilling in described step 2
Matter mud stone rock sample, every part of sample weight 500g.
Sample of sandstone is adopted in described step 3 to be in same with the coal petrography or carbonaceous mudstone sample gathered in step 2
Layer position, every part of sample weight 1000-2000g.
Described step 4 specifically includes following steps：
Step 4.1, it is crushed to 0.3-2mm to the coal petrography or charcoal mudrock rock sample gathered in step 2, and by asphalt mixtures modified by epoxy resin
Fat+curing agent is with 4:1 ratio mixes, and injects in sample, stirs, and last polishing grinding makes mating plate, according in sedimentary rock
Vitrinite reflectance determination method carries out reflectance of vitrinite measure；
Step 4.2, the reflectance of vitrinite result determined according to step 4.1, according to based on reflectance of vitrinite and ancient ground
Relation between temperature calculates maximum paleogeotherm.
Step 4.3, according to maximum paleogeotherm TpeakLinear positive dependency relation between paleogeothermal gradient H, which calculates, contains ore deposit
The paleogeothermal gradient of target zone.
Described step 5 specifically includes following steps：
Step 5.1, the sample of sandstone for collection carry out the sorting of apatite mineral first, obtain apatite mineral
Grain, then selects idiomorphism phosphorite crystal；The idiomorphism phosphorite crystal sample particle chosen is subjected to fission track measurement；
Step 5.2, fission-track age data and track lenth parameter according to actual measurement, it is further soft using AFTsolve
Part, the Temperature-time inverse modeling research of apatite is carried out, has drawn Temperature-time matched curve.
Described step 6 specifically includes following steps：
Step 6.1, take sample of sandstone obtained by step 5 where layer position erosion sediment thickness and step 4 in identical layer position coal and
The erosion sediment thickness of charcoal mudrock sample contrasts, if error is tolerance interval in 300m, it is this set stratum to take this measured value
Maximum erosion sediment thickness.
Sampling specification is checked if step 6.2, error range start to check in more than 300m, return to step 2, in step 2,3
Property, mend sample again if lack of standardization；Checking experiment is normative in step 4,5, if lack of standardization, sample presentation analysis test again.
Described step 7 is specific as follows：After the erosion sediment thickness result of calculation that two sets of computings match in aggregation step 6,
Area's erosion sediment thickness isogram is studied with MapGIS or SUFFER Software on Drawing, irises out Spring layer and low value area, analysis construction
Restrictive function of the lifting to sandstone-type uranium deposit.
Described Spring layer is the violent area of construction uplift erosion, and low value area relaxes area for construction uplift erosion.
Described construction uplift erosion relax area respectively positioned at the pier of west section buy in a band, Wu Kuerqi, the Ke Zi in stage casing
Er Sayi east, the line of youth Ka-Qie Ji ditches one of eastern section；In-west section be more beneficial for ancient interlayer oxidized zone preservation and be superimposed as ore deposit,
Ancient interlayer oxidized zone is degraded in advance for eastern section, is unfavorable for ancient ore body and is preserved；Therefore, draw a circle to approve in South Yili Basin-west section is
Beneficial Ore-forming section.
The advantageous effects of the present invention are：The method of the present invention passes through to two sets of analysis methods of destination layer position sample
Superposition is used, and the uplift erosion thickness of sample can be calculated with accurate quantitative analysis, so as to study construction lifting to sandstone-type uranium deposit
Restrictive function.And this method has the advantages of process self-test, during two sets of analysis test methods can pass through different approaches
Layer position construction uplift erosion thickness, average are suitable where being finally inversed by sample.
Brief description of the drawings
Fig. 1 is the flow of the technique for delineating provided by the present invention for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly
Figure；
Fig. 2 is that South Yili Basin studies area west section inverting Temperature-time matched curve；
Fig. 3 is that South Yili Basin studies area stage casing inverting Temperature-time matched curve；
Fig. 4 is that South Yili Basin studies area eastern section inverting Temperature-time matched curve；
Fig. 5 is that South Yili Basin studies area's erosion sediment thickness isogram.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
So that South Yili Basin studies area as an example, provided by the present invention to soak sandrock-type uranium-bearing Basin Metallogenic a kind ofly favourable
The technique for delineating of section, this method comprise the following steps：
Step 1, determine research area and choose destination layer position；
1 in described step 1:50000-1:Research area's scope, and selection target layer position are determined in 200000 uranium geology figures
As research purpose layer.
For example, in South Yili Basin 1:Research area's scope is determined on 50000 geologic maps, and selects the lower and middle Jurassic water western
Ditch group's Xishanyao group layer position is as research purpose layer.
The earth's surface or drilling coal petrography or charcoal mudrock rock sample of step 2, collection basin edge destination layer position bottom plate；
Coal petrography or charcoal in gathering target zone bottom plate or reference lamina in sedimentary basin periphery or drilling in described step 2
Matter mud stone rock sample, every part of sample weight 500g.
Locality show respectively at area west section, stage casing and eastern section purpose of horizon bottom plate for example, being studied in South Yili Basin
Sample lithology in head and drilling is coal petrography or charcoal mudrock, it is desirable to the fresh no alteration of sample requirement and weathering, weighs about 500g.Sample
Product collection point should cover whole research area substantially.
Sample same layer position sample of sandstone described in step 3, acquisition step 2；
Sample of sandstone is adopted in described step 3 to be in same with the coal petrography or carbonaceous mudstone sample gathered in step 2
Layer position, every part of sample weight 1000-2000g.
Step 4, the coal petrography gathered to step 2 or charcoal mudrock rock sample carry out reflectance of vitrinite (Ro) measure, and
The paleogeothermal gradient (H) on the stratum of mesh containing ore deposit is calculated by result；
Described step 4 specifically includes following steps：
Step 4.1, it is crushed to 0.3-2mm to the coal petrography or charcoal mudrock rock sample gathered in step 2, and by asphalt mixtures modified by epoxy resin
Fat+curing agent is with 4:1 ratio mixes, and injects in sample, stirs, and last polishing grinding makes mating plate, according to SY/T5124-
1995《Vitrinite reflectance determination method in sedimentary rock》Standard, using MPV-SP microphotometers, at room temperature (T)：23℃-25
DEG C, relative humidity (%)：Reflectance of vitrinite measure is carried out under conditions of 20-70, double standard specimens (sapphire, SiC) demarcation.
Step 4.2, the reflectance of vitrinite result determined according to step 4.1, according to based on reflectance of vitrinite and ancient ground
Relation between temperature, i.e. " ln (Ro)=0.0078Tpeak- 1.2 " maximum paleogeotherm is calculated.
Linear positive dependency relation be present between step 4.3, buried depth (H) and formation temperature (T).According to maximum paleogeotherm
TpeakLinear positive dependency relation between paleogeothermal gradient H calculates the paleogeothermal gradient of the target zone containing ore deposit, i.e. Tpeak=a2
+b2H, a in formula2And b2For constant, wherein a2Ancient surface temperature, b2The as paleogeothermal gradient on basin stratum.
It is specific to calculate pattern and analysis knot according to analysis test result calculations South Yili Basin uplift erosion sediment thickness
Fruit is shown in Table 1.
The South Yili Basin of table 1 studies area's sample segment Ro analysis results and erosion sediment thickness result of calculation list
According to Ro data analyses, reflect that each location has different bury and rising history.Wherein, in-the disconnected lifting in west
Denudation is smaller, and tectonic activity is weaker；Eastern section uplift denudation is relatively large, and tectonic activity is strong.This and Yili Basin
Nan Yuan construction rising history matches, and is also coincide with the Uranium ore-spot position distribution having found.
Step 5, the sample of sandstone gathered to step 3 choose apatite mineral, carry out Apatite fission track and survey year and inverting
The relation of temperature and time in its structural evolution；
Described step 5 specifically includes following steps：
Step 5.1, the sample of sandstone for collection carry out the sorting of apatite mineral first, including crush, sieving of milling,
Elutriation, heavy-fluid separation and magnetic separation separation, obtain apatite mine composition granule, then from the heavy ore deposit sorted out under binocular microscope
Idiomorphism phosphorite crystal is selected in thing concentrate by hand.The idiomorphism phosphorite crystal sample particle chosen is subjected to fission track survey
Amount, measuring method use " external detector method and zeta law ".
Step 5.2, fission-track age data and track lenth parameter according to actual measurement, it is further soft using AFTsolve
Part, the Temperature-time inverse modeling research of apatite is carried out, has drawn Temperature-time matched curve.The measurement result such as institute of table 2
Show.
The South Yili Basin sample segment apatite fission-track dating analysis result of table 2
The experiment condition of above-mentioned table 2 is：Apatite etching condition is 5.5N HNO3, room temperature, 20s；External detector is using low
Uranium content muscovite, etching condition 40%HF, room temperature, 40min；International standard sample Durango apatite is selected in Zeta demarcation；
Normal glass is NBS SRM612 uranium normal glasses, Apatite-Zeta CN5=353.0 ± 10；Sample is carried out
Irradiation；Track statistics uses OLYMPUS petrographic microscopes, is completed under the conditions of 1000 times of immersion oil are amplified；P (x in table2) it is the free degree
(n-1) probability of x2 values；As P (X2)>When 5%, fission-track age selects " pond age " (Pooled Age), as P (X2)<5%
When, fission-track age selects center track ages (Central Age).
The age of surveyed sample of sandstone apatite between 1-147Ma, much smaller than the depositional age on stratum, illustrates phosphorus ash
The age of stone also represent the cooling age of sample.From apparent age as can be seen that the Apatite fission track age mainly concentrates
In 2 age brackets：1-31Ma, 97-145Ma, show that the heat that this section of Mountain Ranges of Tian Shan Mountains has the grand liter of more phases time-degrade is drilled
Change history.Side demonstrates reflectance of vitrinite Ro (step 4) South Yili Basin target zones and experienced different degrees of lifting stripping
The analysis result of erosion.
According to the fission-track age data and track lenth parameter of actual measurement, further using AFTsolve softwares, carry out
The Temperature-time inverse modeling research of apatite, draws Temperature-time matched curve (Fig. 2-Fig. 4).
Step 6：Whether the inversion result of verification step 5 matches with step 4, if coincideing, takes erosion sediment thickness result of calculation,
If misfitting, the sampling of checking step 2 and 3 whether specification；
Described step 6 specifically includes following steps：
Step 6.1, take sample of sandstone obtained by step 5 where layer position erosion sediment thickness and step 4 in identical layer position coal and
The erosion sediment thickness of charcoal mudrock sample contrasts, if error is tolerance interval in 300m.It is this set stratum to take this measured value
Maximum erosion sediment thickness.
Sampling specification is checked if step 6.2, error range start to check in more than 300m, return to step 2, in step 2,3
Property, mend sample again if lack of standardization；Checking experiment is normative in step 4,5, if lack of standardization, sample presentation analysis test again.
It is proposed that the result of two kinds of means of testing is mutually tested in step 6, and step 2-5 experimental error can be gone out with reverse-examination.
After the external cause that the ancient underground heat such as magma, tomography heats is eliminated, its single factors is that paleogeotherm value is bigger, is buried more
Deep, later stage uplift erosion thickness is bigger.If paleogeothermal gradient value takes 2.5 DEG C/100m, surface temperature takes 20 DEG C, according to temperature-
Time match figure (Fig. 2-Fig. 4) can calculate buried depth indirectly.Here the buried depth value calculated has two effects：1st, because phosphorus ash
Stone fission track belongs to qualitative-semi-quantitative analysis method of testing, but reflectance of vitrinite is quantitative measuring method, can use fission footpath
Maximum buried depth brings previous step into obtained by mark, verifies Ro measured values, is tested correctly if being consistent substantially, if not being inconsistent, verifies foregoing step
Suddenly；2nd, time when sample in fission track Temperature-time inverse modeling is in maximum buried depth after the deposition phase is recorded, with most
Great burying divided by gained time must can be averaged uplift rate, and the section lifting speed in a certain stage can be also calculated according to matched curve
Rate.This point is that Ro analysis test methods are not accomplished.Table 3 lists the data that partial test result is consistent substantially.
The South Yili Basin sample segment Ro of table 3 and apatite fission-track dating methods and resultses comparison diagram
Step 7：It is equivalent that the erosion sediment thickness result of calculation to match obtained according to step 6 draws erosion sediment thickness in research area
Line chart, research constructs restrictive function of the uplift erosion to U metallogeny, and then draws a circle to approve Beneficial Ore-forming section.
Described step 7, after the erosion sediment thickness result of calculation that two sets of computings match in aggregation step 6, according to the meter
Application of results MapGIS or SUFFER Software on Drawing research area's erosion sediment thickness isogram (Fig. 5) are calculated, irises out Spring layer (construction lift
Rise and degrade violent area, this research area suggests being more than 2200m) and low value area (construct uplift erosion mitigation area, the suggestion of this research area is small
In 1200m), analysis constructs restrictive function of the lifting to sandstone-type uranium deposit, and then draws a circle to approve Beneficial Ore-forming section.
In Fig. 5：1- loses source region, 2- Beneficial Ore-forming sections, 3- erosion sediment thickness isopleth, 4- mineral deposits title, 5- place names.
Construction uplift erosion relax area respectively positioned at South Yili Basin west section pier buy in one band (by checking, Red sea
Ditch-Ku Jie and too mineral deposit just this band of position)；The Wu Kuerqi in South Yili Basin stage casing, gram diligent Er Sayi east are (by testing
Card, Meng Qiguer-Zha Jisitan-Wu Kuerqi mineral deposits are placed exactly in this band)；Youth Ka-the Qie Ji of South Yili Basin eastern section
The line of ditch one (by checking, youth Ka Kuang points are placed exactly in this line).
Drawn from South Yili Basin research area's erosion sediment thickness isogram (Fig. 5), target zone uplift erosion thickness is
1007.72-6305.43m, its extreme difference is larger, reflects that each location has different bury and uplift erosion history.When research area
When target zone denudation is more than 2200m, the sandstone-type uranium mineralization with respect of early formation may degrade totally, and the effect of sand body Late reformation is weak,
Even if other ore controlling factors are preferable, its minerogenic potentiality is also less big；So Main Metallogenic potentiality are concentrated on less than 1200m regions,
Structure destruction is small, is advantageous to uranium deposit preservation, and is easily superimposed new mineralising, has preferable ore-prospecting future.
Upper condition analysis according to this, in South Yili Basin-west section is more beneficial for the preservation of ancient interlayer oxidized zone with being superimposed as
Ore deposit, ancient interlayer oxidized zone is degraded in advance for South Yili Basin eastern section, is unfavorable for ancient ore body and is preserved.Therefore, Yi Li basins are drawn a circle to approve
In the edge of ground south-west section is Beneficial Ore-forming section.
The present invention is explained in detail above in conjunction with drawings and examples, but the present invention is not limited to above-mentioned implementation
Example, in those of ordinary skill in the art's possessed knowledge, can also make on the premise of present inventive concept is not departed from
Go out various change.The content not being described in detail in the present invention can use prior art.
Claims (10)
1. the technique for delineating of the favourable section of sandrock-type uranium-bearing Basin Metallogenic is soaked a kind ofly, it is characterised in that：This method includes following
Step：
Step 1, determine research area and choose destination layer position；
The earth's surface or drilling coal petrography or charcoal mudrock rock sample of step 2, collection basin edge destination layer position bottom plate；
Sample same layer position sample of sandstone described in step 3, acquisition step 2；
Step 4, the coal petrography gathered to step 2 or charcoal mudrock rock sample carry out reflectance of vitrinite Ro measure, and calculate and contain
The paleogeothermal gradient H on ore deposit mesh stratum；
Step 5, the sample of sandstone gathered to step 3 choose apatite mineral, carry out Apatite fission track and survey year and inverting its structure
Make the relation of temperature and time in developing；
Whether step 6, the inversion result of verification step 5 match with step 4, if coincideing, erosion sediment thickness result of calculation are taken, if not
Coincide, the sampling of checking step 2 and 3 whether specification；
Step 7, the erosion sediment thickness result of calculation to match obtained according to step 6 draw erosion sediment thickness isopleth in research area
Figure, research constructs restrictive function of the uplift erosion to U metallogeny, and then draws a circle to approve Beneficial Ore-forming section.
2. the technique for delineating according to claim 1 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：1 in described step 1:50000-1:Research area's scope, and the position conduct of selection target layer are determined in 200000 uranium geology figures
Research purpose layer；Described step 1 is in South Yili Basin 1:Research area's scope is determined on 50000 geologic maps, and in selecting-lower dwarf
Sieve system Shuixigou Group Xishanyao group layer position is as research purpose layer.
3. the technique for delineating according to claim 2 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Coal petrography or carbonaceous in described step 2 in sedimentary basin periphery or the interior collection target zone bottom plate of drilling or reference lamina
Mud stone rock sample, every part of sample weight 500g.
4. the technique for delineating according to claim 3 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Sample of sandstone is adopted in described step 3 to be in same layer with the coal petrography or carbonaceous mudstone sample gathered in step 2
Position, every part of sample weight 1000-2000g.
5. the technique for delineating according to claim 4 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Described step 4 specifically includes following steps：
Step 4.1, be crushed to 0.3-2mm to the coal petrography or charcoal mudrock rock sample gathered in step 2, and by epoxy resin+
Curing agent is with 4:1 ratio mixes, and injects in sample, stirs, and last polishing grinding makes mating plate, according to mirror matter in sedimentary rock
Group method for measuring reflectance carries out reflectance of vitrinite measure；
Step 4.2, the reflectance of vitrinite result determined according to step 4.1, according to based on reflectance of vitrinite and paleogeotherm it
Between relation calculate maximum paleogeotherm.
Step 4.3, according to maximum paleogeotherm TpeakLinear positive dependency relation between paleogeothermal gradient H calculates purpose containing ore deposit
The paleogeothermal gradient of layer.
6. the technique for delineating according to claim 5 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Described step 5 specifically includes following steps：
Step 5.1, the sample of sandstone for collection carry out the sorting of apatite mineral first, obtain apatite mine composition granule, so
After select idiomorphism phosphorite crystal；The idiomorphism phosphorite crystal sample particle chosen is subjected to fission track measurement；
Step 5.2, fission-track age data and track lenth parameter according to actual measurement, further using AFTsolve softwares,
Carry out the Temperature-time inverse modeling research of apatite, draw Temperature-time matched curve.
7. the technique for delineating according to claim 6 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Described step 6 specifically includes following steps：
Step 6.1, take sample of sandstone obtained by step 5 where layer position erosion sediment thickness and step 4 in identical layer position coal and carbonaceous
The erosion sediment thickness of mudstone sample contrasts, if error is tolerance interval in 300m, takes this measured value maximum for this set stratum
Erosion sediment thickness.
Check that sampling is normative if step 6.2, error range start to check in more than 300m, return to step 2, in step 2,3, if
It is lack of standardization, sample is mended again；Checking experiment is normative in step 4,5, if lack of standardization, sample presentation analysis test again.
8. the technique for delineating according to claim 7 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Described step 7 is specific as follows：After the erosion sediment thickness result of calculation that two sets of computings match in aggregation step 6, use
MapGIS or SUFFER Software on Drawing studies area's erosion sediment thickness isogram, irises out Spring layer and low value area, analysis construction lifting
To the restrictive function of sandstone-type uranium deposit.
9. the technique for delineating according to claim 8 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Described Spring layer is the violent area of construction uplift erosion, and low value area relaxes area for construction uplift erosion.
10. the technique for delineating according to claim 9 for soaking the favourable section of sandrock-type uranium-bearing Basin Metallogenic a kind ofly, its feature
It is：Described construction uplift erosion relax area respectively positioned at the pier of west section buy in a band, the Wu Kuerqi in stage casing, your gram diligent Sa
According to east, the line of youth Ka-Qie Ji ditches one of eastern section；In-west section be more beneficial for ancient interlayer oxidized zone preservation and be superimposed as ore deposit, eastern section
Ancient interlayer oxidized zone is degraded in advance, is unfavorable for ancient ore body and is preserved；Therefore, draw a circle to approve in South Yili Basin-west section is favourable
Metallogenic province section.
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| CN111239815A (en) * | 2020-01-20 | 2020-06-05 | 吉林大学 | Sandstone-type uranium reservoir mineralization and deposition element extraction method based on three-dimensional seismic attributes |
| CN111239815B (en) * | 2020-01-20 | 2021-07-13 | 吉林大学 | Sandstone-type uranium reservoir mineralization and deposition element extraction method based on three-dimensional seismic attributes |
| CN111723471A (en) * | 2020-05-28 | 2020-09-29 | 上海同继地质科技有限公司 | Method, device and equipment for determining denudation thickness and storage medium |
| CN111723471B (en) * | 2020-05-28 | 2024-01-19 | 中山大学 | Method, device, equipment and storage medium for determining ablation thickness |
| CN111694069A (en) * | 2020-06-09 | 2020-09-22 | 核工业北京地质研究院 | Rapid selection method for early exploration of sandstone-type uranium ores |
| CN116609421A (en) * | 2023-07-17 | 2023-08-18 | 中国科学院青藏高原研究所 | Annual survey method based on monazite fission track |
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