CN109669217A - A kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method - Google Patents
A kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method Download PDFInfo
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- CN109669217A CN109669217A CN201811581409.1A CN201811581409A CN109669217A CN 109669217 A CN109669217 A CN 109669217A CN 201811581409 A CN201811581409 A CN 201811581409A CN 109669217 A CN109669217 A CN 109669217A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
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- G01V8/02—Prospecting
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention belongs to Uranium Deposits theory and look for mine technical method field, and in particular to a kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits technical method includes the following steps: that (1) Alteration Information of Remote Sensing identifies；(2) U metallogeny favorab1e sandbadies distribution is drawn a circle to approve；(3) delineation constructs advantageous section；(4) U metallogeny potentiality are evaluated；(5) preferred Prospective area for uranium；The beneficial effects of the present invention are: method of the invention, which can find sandstone-type uranium mineralization with respect for competent structure deformed area, provides a kind of technical method, makes to look for mine more purposive and specific aim in competent structure deformed area, reduce blind investment.
Description
Technical field
The invention belongs to Uranium Deposits theories and method of prospecting field, and in particular to a kind of competent structure deformed area sandrock-type
Prospecting For Uranium method.
Background technique
Among many ore control factors of sandstone-type uranium mineralization with respect, structural deformation intensity be always restrict Formation of Sandstone-type Uranium Deposits with
The key factor that ore body saves.Especially after uranium ore body formation, it is highly prone to later structural uplift erosion function influence,
If later period uplift erosion is too strong, ore body is saved totally unfavorable.Therefore, most of sandstone-type uranium mineralization with respect originate in construction in the world
Weaker area, i.e. " secondary orogenetic area ".However as the iterative method of China's exploration of sandstone type uranium deposits, in competent structure deformed area
Have found sandrock-type uranium deposit in succession, the crucial governing factor in these mineral deposits is also unintelligible at present, therefore also fails to form maturation
Criteria for prospecting and procpecting model.
Present invention is generally directed to competent structure deformed areas, propose a kind of Prospecting Sandstone-type Uranium Deposits technical method, become for competent structure
Shape area Prospecting Sandstone-type Uranium Deposits reconnoitre offer foundation.
Summary of the invention
It is an object of the invention to reconnoitre to provide a kind of method for competent structure deformed area Prospecting Sandstone-type Uranium Deposits.
The technical scheme adopted by the invention is that:
A kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method, method includes the following steps:
Step 1: Alteration Information of Remote Sensing identifies；
It is interpreted by Airborne Hyperspectral remotely-sensed data, extracts iron dye alteration Information relevant to sandstone-type uranium deposit；
Step 2: delineation U metallogeny favorab1e sandbadies distribution；
Iris out main stem sandstone spatial distribution range；
Step 3: delineation constructs advantageous section；
Delineation is conducive to the structural deformation of uranium ore body preservation and the location that uplift erosion is weaker, draws a circle to approve principle are as follows:
(1) longitudinal strike-slip fault zone area is developed；
(2) inheritance sloped region is developed；
(3) uplift erosion amount is compared with away minor segment；
(4) U metallogeny potentiality are evaluated；
Evaluate potential U metallogeny ability in Favorable Areas, Appreciation gist are as follows:
1. whether developing Uranium ore-spot；
2. whether developing Geophysical-chemical exception；
3. whether there is oil-gas escape phenomenon.
Step 4: it is preferred that Prospective area for uranium；
It is spatially superimposed the alteration of advantageous U metallogeny, sand body, construction and at mine capability factor, preferably best
Ore prospect area.
It needs that no vegetative coverage region is selected to carry out the interpretation of Airborne Hyperspectral remotely-sensed data in the step one.
It needs to iris out main stem sand body spatial distribution range on research area's sand body equal thickness figure in the step two.
According to delineation principle in the step three, the structural deformation and uplift erosion for being conducive to uranium ore body preservation are irised out
Weaker location.
Need to investigate uranium geology in area and petroleum resources distribution in the step four, including Uranium ore-spot and
Oil-gas escape point distributing position, Geophysical-chemical spatial abnormal feature position etc..
It is provided the beneficial effects of the present invention are: method of the invention can find sandstone-type uranium mineralization with respect for competent structure deformed area
A kind of technical method makes to look for mine more purposive and specific aim in competent structure deformed area, reduces blind investment.
Detailed description of the invention
Fig. 1 is a kind of flow chart of competent structure deformed area Prospecting Sandstone-type Uranium Deposits technical method provided by the present invention
Fig. 2 In The Southern Part of Jungger Basin iron contaminates information remote sensing bloom spectrum discrimination figure
Fig. 3 In The Southern Part of Jungger Basin river channel sand spatial distribution map
Fig. 4 In The Southern Part of Jungger Basin constructs advantageous section and chooses figure
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
A kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method, method includes the following steps:
Step 1: Alteration Information of Remote Sensing identifies；
It is interpreted by Airborne Hyperspectral remotely-sensed data, extracts iron dye alteration Information relevant to sandstone-type uranium deposit；
Step 2: delineation U metallogeny favorab1e sandbadies distribution；
Iris out main stem sandstone spatial distribution range；
Step 3: delineation constructs advantageous section；
Delineation is conducive to the structural deformation of uranium ore body preservation and the location that uplift erosion is weaker, draws a circle to approve principle are as follows:
(1) longitudinal strike-slip fault zone area is developed；
(2) inheritance sloped region is developed；
(3) uplift erosion amount is compared with away minor segment；
(4) U metallogeny potentiality are evaluated；
Evaluate potential U metallogeny ability in Favorable Areas, Appreciation gist are as follows:
1. whether developing Uranium ore-spot；
2. whether developing Geophysical-chemical exception；
3. whether there is oil-gas escape phenomenon.
Step 4: it is preferred that Prospective area for uranium；
It is spatially superimposed the alteration of advantageous U metallogeny, sand body, construction and at mine capability factor, preferably best
Ore prospect area.
It needs that no vegetative coverage region is selected to carry out the interpretation of Airborne Hyperspectral remotely-sensed data in the step one.
It needs to iris out main stem sand body spatial distribution range on research area's sand body equal thickness figure in the step two.
According to delineation principle in the step three, the structural deformation and uplift erosion for being conducive to uranium ore body preservation are irised out
Weaker location.
Need to investigate uranium geology in area and petroleum resources distribution in the step four, including Uranium ore-spot and
Oil-gas escape point distributing position, Geophysical-chemical spatial abnormal feature position etc..
The preferred application example of 1 In The Southern Part of Jungger Basin competent structure deformed area sandstone-type uranium deposit prospective area of embodiment utilizes
Method of the invention to the preferred specific steps of In The Southern Part of Jungger Basin competent structure deformed area sandstone-type uranium deposit prospective area such as
Under:
(1) Alteration Information of Remote Sensing identifies
In The Southern Part of Jungger Basin vegetative coverage is very weak, can carry out Airborne Hyperspectral remotely-sensed data interpretation, extracts and sandstone
The relevant iron of type U metallogeny contaminates alteration Information, and irises out in figure, as shown in Figure 2.
(2) U metallogeny favorab1e sandbadies distribution is drawn a circle to approve
Main stem sand body spatial distribution range is irised out on research area's sand body equal thickness figure, as shown in Figure 3.It is advantageous at mine
Sand-body distribution range is main stem development position.
(3) delineation constructs advantageous section
Delineation is conducive to the structural deformation of uranium ore body preservation and the location that uplift erosion is weaker, selection principle are as follows: 1. send out
Educate longitudinal strike-slip fault zone area；2. developing inheritance sloped region；3. uplift erosion amount is compared with away minor segment.The information that will be collected into
It is plotted on plan view, irises out longitudinal strike-slip fault zone development area, uplift erosion amount smaller area and inheritance sloped region three weight
Folded region, as construction Favorable Areas can iris out east headache formula area and regional two Favorable Areas of western four trees, such as Fig. 4
It is shown.
(4) U metallogeny potentiality are evaluated
Evaluate potential U metallogeny ability in Favorable Areas, Appreciation gist are as follows: 1. whether develop uranium ore (change) point；2. whether sending out
Educate Geophysical-chemical exception；3. whether there is oil-gas escape phenomenon.It is arranged by data collection, it can be deduced that In The Southern Part of Jungger Basin uranium
Mineralization points are developed in headache formula area, and area's oil-gas escape point is more, and Anomaly recognition concentration is also relatively high.Four trees
Although oil-gas escape point in area's is more, uranium mineralization point is less, and earth's surface empty geochemical anomaly is shown.So headache formula area compared with
Four trees Metallogenic Area potentiality are big
(5) preferred Prospective area for uranium
By the iron dye alteration of advantageous U metallogeny, main stem sand body, constructs Favorable Areas and spatially folded at mine capability factor
Add, comprehensive analysis, preferably headache formula area is the best ore prospect area of In The Southern Part of Jungger Basin out.
Claims (5)
1. a kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method, it is characterised in that: method includes the following steps:
Step 1: Alteration Information of Remote Sensing identifies；
It is interpreted by Airborne Hyperspectral remotely-sensed data, extracts iron dye alteration Information relevant to sandstone-type uranium deposit；
Step 2: delineation U metallogeny favorab1e sandbadies distribution；
Iris out main stem sandstone spatial distribution range；
Step 3: delineation constructs advantageous section；
Delineation is conducive to the structural deformation of uranium ore body preservation and the location that uplift erosion is weaker, draws a circle to approve principle are as follows:
(1) longitudinal strike-slip fault zone area is developed；
(2) inheritance sloped region is developed；
(3) uplift erosion amount is compared with away minor segment；
(4) U metallogeny potentiality are evaluated；
Evaluate potential U metallogeny ability in Favorable Areas, Appreciation gist are as follows:
1. whether developing Uranium ore-spot；
2. whether developing Geophysical-chemical exception；
3. whether there is oil-gas escape phenomenon.
Step 4: it is preferred that Prospective area for uranium；
Spatially be superimposed the alteration of advantageous U metallogeny, sand body, construction and at mine capability factor, preferably best at mine
Prospective area.
2. a kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method according to claim 1, it is characterised in that: described
It needs that no vegetative coverage region is selected to carry out the interpretation of Airborne Hyperspectral remotely-sensed data in step 1.
3. a kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method according to claim 1, it is characterised in that: described
It needs to iris out main stem sand body spatial distribution range on research area's sand body equal thickness figure in step 2.
4. a kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method according to claim 1, it is characterised in that: described
According to delineation principle in step 3, the structural deformation for being conducive to uranium ore body preservation and the weaker location of uplift erosion are irised out.
5. a kind of competent structure deformed area Prospecting Sandstone-type Uranium Deposits method according to claim 1, it is characterised in that: described
Need to investigate the uranium geology in area and petroleum resources distribution in step 4, including Uranium ore-spot and oil-gas escape point are distributed position
It sets, Geophysical-chemical spatial abnormal feature position etc..
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112379076A (en) * | 2020-10-21 | 2021-02-19 | 核工业北京地质研究院 | Comprehensive determination method for multi-element fluid related to uranium mineralization in sandstone-type uranium ore |
| WO2024016493A1 (en) * | 2022-07-22 | 2024-01-25 | 核工业北京地质研究院 | Method for identifying exudative sandstone-type uranium deposit |
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