Some standard content:
tpC 550.4
National Standard of the People's Republic of China
GE/T 14496- 93
Geological terminology
Terms of geochenical explorationIssued on 1993-06-19
Implementation on 1994-03-01
Issued by the State Bureau of Technical Supervision
National Standard of the People's Republic of China
Terms of geochemical exploration
Terms nr genchemkcal explanation1 Main content and scope of application
1.1 This standard defines the commonly used terms in geochemical exploration. YYKAONKAc=
CB/T 14496-93
1.2 This standard is applicable to geochemical investigation mainly based on lake minerals and its related scientific, teaching, management, publishing, communication and other aspects.
2 Basic terms
2.1 Geochemical investigation
Geochemical exploration
The whole process of systematic investigation and study of the chemical elements and other characteristics of the local or chemical changes in various substances in the world, not including geochemical exploration,
2.1.1 Geochemical prospecting (abbreviated as geochemical exploration)
The work of systematically measuring the total amount and other characteristics of chemical elements in natural substances, studying their distribution patterns, discovering these chemical normals, and thus conducting mining.
2.1.2 Geochemical mapping
Geachemicsl mapping
Systematically collects natural substances, conducts multivariate analysis, and plots the distribution of the elements (or other geochemical substances) into basic maps using a standard method to provide work for various mechanical applications. 2.1.3 Environmental geochemistry
environmentalgeochemical inestigationStudy the migration and transformation laws of chemicals (natural and man-made) in the environment and their relationship with environmental quality and human health,
2.2 Geochemistry
Electrification geochemistry
Systematically implements the theories, methods and requirements of geochemical research. 2.2.1 Geochemistry in mineral exploration The discipline that studies geochemical prospecting methods and techniques for mineral exploration 2.2.2 Regional geochemistry The discipline that systematically studies the spatial and temporal distribution patterns of chemical elements in natural deposits (such as rocks, soils, river sediments, tidal deposits, natural water, etc.) over a large area and their relationships with mineral resources, geology, environment, agriculture, animal husbandry, medicine, etc. The discipline that systematically studies the theories, methods and techniques of geochemical prospecting The discipline that systematically studies the spatial and temporal distribution patterns of chemical elements in natural deposits (such as rocks, soils, river sediments, tidal deposits, natural water, etc.) over a large area and their relationships with mineral resources, geology, environment, agriculture, animal husbandry, medicine, etc. 1993-D6-19 1994-03-01 3 Principles of geochemistry 3.1 Geochemistry 14496-93
The characteristic variation space of geochemical indicators of various disciplines grown by the spherical chemical action of the mountain. 3.2 Geochemical parameters
gruchuni.1 Geochemical parameters
A region or zone divided according to the geophysical and natural phenomena. 3.3 Geochemical parameters
gcoehemical parameters
The place or environment where the element is precipitated in large quantities (from liquid to gas) due to the change of the physical and chemical environment of the medium: the main factors or effects that cause the element precipitation rate are precipitation, adsorption, reduction barrier, oxidation barrier, biological barrier, acidic barrier, etc. 3.4 Geochemical indicators
Reochemical indicator
A general term for various geochemical indicators reflecting the research object, geochemical values and their geochemical characteristics. 3.5 Geochemical parameters
Reccinentical parameters background
Geochemical environmental characteristics of the same indicators widely existing in the corresponding medium within a specific range. 3.6 Background situation
Heckgrmund value
Reflects the value of the geochemical matrix.
3.7 Anomaly lower limit
ihirexlril:l
Synonymous query open solid
The anomaly start value determined by the background value with a certain degree of confidence. It is a quantitative limit for distinguishing geochemical matrices and anomalies. 3.8 Geochemical anomaly
Rerchemical anomaly
Geochemical characteristics that are significantly different from the surrounding geochemical matrix. 3.8.1 Geochemical province
Here and here are the geochemical differences caused by the formation and evolution of the earth's crust, which are significantly different from the chemical composition of the crust.
3.8.2 Regional geochemical anomaly (formerly known as regional anomaly) Regional geochemical anomaly is a geochemical anomaly caused by regional geological processes, which can reach up to 1 to 2 meters. 3.8.3 Field genchemical anomaly is an anomaly reflecting the geochemical characteristics of the ore deposit. 3.8.4 Deposit geochemical anomaly is an anomaly reflecting the geochemical characteristics of the ore deposit. 2
3.B.5 Extensive geochemical anomaly is an anomaly reflecting the geochemical characteristics of the ore deposit. 3.8.6 Expanded heterogeneity
GB/T 14496-93
Enlarged the geochemical heterogeneity related to mineralization
3. Japan.? Non-geochemical anomalies: geochemical anomalies not related to mineralization; 3.8.8 Negative anomalies: anomalies caused by the transfer of an element from its original rock to a certain point in time, resulting in an anomaly with a low background value; 3.8.9 False anomalies: anomalies caused by human influence (such as analysis, sample disturbance, pollution, etc.) that do not exist in the field; 3.8.10 Syngemetic anomalies: anomalies formed by the interaction of heterogeneous substances with the fluid; 3.8.1 Epigenetic anomalies: 3.8.12 Primary anomaly
Synonyms Rock geochemical anomaly
Geochemical anomaly developed in bedrock. 3.8.13 Secondary anomaly
Generally speaking, a collection of geochemical anomalies formed in surface weathering products, water, air or organisms. 3.8.13.1 Hydrogenic anomalies
Hydrogenic anomalies
Anomalies formed in natural environments (hydrogen monoxide, organic matter, etc.) after the accumulation of simple ions, complexes or acids with water as the carrier. 3.8. 13.2 Gaepkenic anomaly Anomaly Anomaly formed by the migration of gaseous matter in a natural medium. 3.8 13.3 Biological anomaly Bingeretic ananaly Anomaly formed by the action of substances. 3.8.13.4 Clastogenic anomalyanonssty
A secondary anomaly formed in the insoluble solids under the action of physical weathering. 5
3.8.14 Composite
GE/T 14496-93
A geochemical anomaly expressed by combining a group of indicator elements in a certain way, 3.8.14.1 Black 5 band
atlditive anamaly
A composite anomaly drawn after normalizing the content of a group of indicator elements. 3.B.14.2 Nuhiplicative anomaly
A composite anomaly of a group of indicator elements. 3.9 Geochemical dipersion halp A special type of geochemical zone that is genetically related to the natural medium of a ore body and has a geometric shape and regular gradient in space. 3.9.1 Primary halos Geochemical elements accumulated in rocks around old ore bodies or other geological bodies. 3.9.1.1 Marginal elements The part of the primary halo located in the front of the ore flow direction (the front extension of the ore body axial direction). 3.9.1.2 Rear halo: the part of the primary halo extending from the ore body axis to the depth. 3.9.1.3 Upper wail hain: the part of the primary halo extending from the ore body axis to the upper wall. 3.9.1.4 Lower wall hale: the part of the primary halo extending from the ore body to the lower wall. 3.9.1.5 Multifarumticinal halo: a mineralized formation with different composition and formation conditions, which is spatially jointed or connected but structurally non-complex. 3.9.2 Secondary halo: sccandary huio
geochemical secondary anomaly with certain geometric shape and concentration gradient around minerals or other energy bodies, sensory materials, water, air or organisms
3.10 Dispersed flow
dlisprrsien line
geochemical secondary anomaly with regular liquid gradient in water flow or sediment. 3.11 Geochemical anomaly characteristic (abbreviated as anomaly characteristic) is a general term for various parameters and features such as intensity, range, shape, size, distribution, and element combination of geochemical anomalies. 3.11.1 Element combination
elerient issociation
GH/T14496—93
Reflects the group characteristic indicator element of a geological body (or research object): 3.11.2 Unomalyning
-rKAoNrKAca-
The geochemical zone exists in space between indicators or between indicators with different values. 3.11.2.1 Group zoning
ramueitiun zoning
The regular evolution phenomenon of geochemical indicators or other indicators in space. 3.11.2.2 Concentrstion zontng
Several continuous concentration intervals are divided in space according to the changes in the content of abnormal elements. 3.11.2.3 Horizontal zoning
borizontal zoning
The division of anomalies in the horizontal direction.
3.11.2.4 Vertical zoning
vertical zoning
The division of anomalies in the vertical direction
3.11.2.5 Axial zoning
axial zonelity
When the ore body moves along the direction of the ore body, the axial zoning is consistent with the vertical zoning; when the ore body is nearly horizontal, the axial zoning is consistent with the horizontal zoning. 3.11.2.6 Transversal zoning
Transversal zoning
Transversal zoning is the zoning in the original mineral, which is perpendicular to the strike of the ore body (in the direction of the thickness of the ore body). When the ore body is inclined, the transversal zoning is consistent with the horizontal zoning. When the ore body is near water, the transverse zoning is consistent with the vertical zoning. 3.11.2.7 Longitudinal zoning
Longitudinal zoning is the zoning in the original mineral, which is perpendicular to the strike of the ore body. Generally, the longitudinal zoning is consistent with the horizontal zoning. 3.11.2.8 Zoning sequence Zoning sequence In the primary log of an ore body (or ore deposit), the relative position of each indicator element in the direction of output to the outer part. 3.11.2.9 Universal zoning sequence Universal zoning sequence The axial zoning sequence arranged according to statistical laws for all types of hydrothermal deposits. 3.11.3 Concentration gradient Concentration gradient The rate of change of element content (mid-high direction) with respect to distance in a geochemical dispersion halo. 3.11.4 Concentration center Concentration center
Abnormal content relative to the nest position.
3.12 Indicator elements
indicatorelemenn
Elements in natural media that can be used as geochemical indicators, 5
3.12.1 Universal indicator elements
univeraal indientar elementsGH/T 14496-93
In geochemical exploration, they can be used as indicator elements for a variety of mineral exploration objects. 3.12.2 Short-range indicator elements
xhcei range indicarorelemenrs In the process of dispersion, the migration distance is short, and they are close to the ore body or exploration object. 3.12.3 Long-range indicator elements
lung range indicator elements In the process of separation, the migration distance is long, and they are far away from the ore body or exploration object. 3.12.4 Pathfinder
pathfinder 3.12.5 Geochemical element Lyprche nical element In geochemical geology, an indicator element that has the ability to identify the type, origin or other characteristics of the object being investigated. 3.13 Indicator plant Indicator plant Plant that selectively grows in weathered rocks and soils of a specific biomass (high gold content), or a plant that produces significant changes in state and morphology under a specific geological environment. 3.14 Geochemical parameter Keoclverical parameter A general term for geochemical indicators characterized by a given value. 3.14.1 Concentrated zeolite Lmcentralion Clarke
The ratio of the average value of the element content in the base-type or base geological body to the Clarke value of the element. 3.14.2 Scale of anomaly
Division of iurmily
A comprehensive index of the size and intensity of the anomaly area. 3.14.3 Linear productivity
On a normal surface, the sum of the measured residual content of the element at each anomaly point (the measured content minus the distance value) and the distance controlled by this point is expressed in square meters). 3.14.4 Surface productivity
The average value of the effective residual content of the element at each anomaly point (the measured content minus the distance value) in the sample is the product of the area of the anomaly (expressed in square meters).
3.14.5. Abnormal intensity
ennmaly intensity
the degree to which the abnormal content exceeds the background value. It can be expressed by the amplitude, average value, contrast, etc. 3.14.6. Abnormal contrast
anomaly contrast
Cuntrant value
Ga/T 14496—93
the ratio of the average value of the element in the anomaly to the maximum value. 3.14.7. primary contrast
: the ratio of the average content of the metal element in the primary ore to the relative value of the element in the ore. 3.14.B Zonalryindex
The ratio of the normalized linear metal content of a certain element obtained at different levels of the primary scene to the sum of the normalized linear metal contents of all indicating elements at that level.
3.14.9 Zonality coefficient
Synonymous zonal evaluation value
Zonality evaluation alle
The ratio of the cumulative (or summed) value of the normalized linear metal content of the previous element content to the cumulative (or summed) value of the normalized linear metal content of the primary element at the same level in the primary scene. It is a kind of tool for judging the degree of corrosion of the ore body. 3.14.10 Coefficient of enrichment The ratio of the element content in various weathering products to its total content in the parent rock. 3.14-11 Biological absorption coefficient The ratio of the element content in a material to the element content in the soil or rock in which it is located. 3.14.12 Relative absorption coefficient The ratio of the total amount of an element in a plant to the content of the element in a local standard plant. 4 Geochemical exploration methods 4.1 Geochemical prospecting for ore deposit A method of prospecting for ore by systematically measuring geochemical indicators related to metal ores in natural materials. 4.2 Geochemical Prospecring Far Non-Metallic Minerals: A method of systematically measuring and studying the geochemical indices related to non-metallic minerals in natural materials to select and find minerals. 4.3 Geochemical Prosperting Far Oil and Gas: A method of systematically measuring and studying the geochemical indices related to gas in natural materials to find oil and gas. 4.4 Geothermal Geochemical Prospecting for Geothermal Field: A method of systematically measuring and studying the geochemical indices related to geothermal heat in natural materials to find geothermal pressure. 4.5 Airborne Geochemical Prospecting: A method of prospecting for minerals by using geochemical anomalies detected by remote sensing, remote sensing or aerial sampling techniques. 4.6 Marine Geochemical Prospecting: A method of systematically measuring and studying the geochemical indices related to geothermal heat in natural materials to find geothermal pressure. prospectingCH/T14496—93
Systematic geochemical properties of natural materials (seawater, bay bottom materials, seabed rocks, etc.) in the ocean, study geochemical characteristics, discover geochemical methods that are relevant to the exploration of mineral deposits, 4.7 Geochemical explorationStudy the distribution patterns of various surface contents in natural materials in a large area, conduct medium and small scale regional prospecting and mineral resource measurement, and provide geochemical basic data for other areas. 4. Geochemical exploration (micro-rock measurement) Geochemical survey work based on rocks. 4.9 Geochemical survey (simple soil survey) Geochemical exploration work based on soil sampling. Formula 4.10: Geochemical measurement of stream sediments (abbreviated as stream sediment survey) is a geochemical exploration process that uses stream sediments as the sampling object. 4.70.1 Geochemical survey (heavy mineral survey) Geochemical survey is the geochemical survey work which takes surface water or groundwater as the sampling object. 4.72 Tidal geochemical survey (referred to as retrograde sediment survey) Reachemical lake sedimeul survey is the geochemical survey work which takes lake sediment as the sampling object and determines the chemical elements and other geochemical characteristics. 4.13 Biogeochemical survey Biogeochemical survey is the geochemical survey work which takes biomass as the sampling object. 4.13.1 Vegetation geochemical survey (referred to as vegetation survey) Geocheinical vegetation survey Geochemical survey is a geochemical survey conducted with plants (mainly deep-rooted plants) as the sampling object. 4.13.2 Geochemical microbiological survey is a geochemical survey conducted with microorganisms (mainly bacteria) as the cultivation and research object. 4.13.3 Geophyte survey is a geochemical survey conducted by systematically investigating and mapping surface plants, and surveying work based on the characteristics of plant habitat, morphological variation and ecological variation. 4.14 Geochemical gas gurvey is a geochemical survey conducted with gas as the sample. 4.14.1 Soil gas survey is a geochemical survey conducted on the soil. 4.14.2 Mercury vapor survey is a geochemical exploration work that takes various gases in the pores near the surface as the sampling object. 4.14.2.1 Soil mereury vapor survey is a geochemical exploration work that takes free mercury in the soil as the sampling object. 4.14.2.2 Heat-released mercury survey is a geochemical exploration work that takes mercury in various states of occurrence in natural materials as the sampling object. 4.14.3 Helium survey Geochemical exploration work that studies oxygen in natural objects on the surface of the earth. 4.14.4 Oxygen survey Radon survey Geochemical exploration work that studies oxygen in natural materials near the surface. 4.75 Electrochemical survey Electrochemical survey Study the electrochemical phenomena of the internal combustion field and artificial melting field of the earth's crust to obtain the chemical elements (ions) of mineral transformation, migration and accumulation for prospecting. 4.16 Orientatinn survey Orientatinn survey Experimental work conducted in typical areas to develop a quantitative work plan and specific methods and techniques before conducting geochemical surveys. 4.1 Geochemical semi-detailed survey is a kind of geochemical survey work in a small area, mainly for prospecting. 4.18 Geochemical detailed survey is a geochemical survey work carried out in the prospect area or mining area identified in the survey map, using the network to further identify the details of the anomaly, determine the scope, evaluate the mineralization, and determine the location of the surface engineering. 4.19 Follow-up anomaly inspection is a work to determine whether the anomaly exists, track the source of the anomaly, roughly understand the characteristics of the anomaly, the geological environment of the anomaly source, and make a preliminary evaluation of the anomaly. 5 Geochemical survey sampling 5.1 Gampling Layout
The general term for the distribution of sampling points and sampling positions in an exploration area. 5.1.1 Random sampling
Random sarapling
CB/T14496—93
Any location in the exploration area is selected with the same density. 5.1.2 Sampling
Sell sap'ing
Sampling according to a certain regular grid (grid, model, shape). 5.3 Particionai garrpling
Take the shore date and ground, reverse the ball chemical certificate, divide the sampling rod unit, and connect the unit separately for systematic sampling. 5.1.4 Fruit sampling
Fruile sampling
Systematic sampling along the straight line in a certain direction. 5.1.5 5.2 Sampling pasirion The sampling point is located at the geological, geomorphological and other specific features (such as river embankments in river sediment sampling, mountains in river sediment sampling, etc.). 5.3 Sampling site Coordinates of the sampling point. 5.4 System level The level of the system's tributaries and their relationships. 5.4.1 First-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.2 Second-level system The level of the system's tributaries is the ...3 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.4 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.5 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.6 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.7 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.8 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.9 Second-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4.1 First-level system The level of the system's tributaries is the level of the system's tributaries and their relationships. 5.4. Strand
The water system formed by two or more primary water systems or a primary water system and a secondary water system. 5.4.3 Tertiary water system
Srd orrder streersh
The water system formed by two or more secondary water systems or a secondary and tertiary water system. 5.5 Sampling density
sampling density
The number of samples collected per unit area. Usually expressed in points/km. 5.5.1 Low-density sampling
Jaw densiry sampling
Applicable to regional operations and sampling distance,
5.6 Sampling method
Various sampling methods and techniques for geochemical cross-sectional sampling, 5.6.1 Simple point sampling
simple point sampling
Each sample is collected at one point.
5.6.2 Combined sampling
cornpasil+ sanipling
CB/T 14496—93
-rKAoNrKAca-
In the specified area near the sampling point, the sample materials that must be collected separately will be combined into a single sample. 5.6.3
Selective sampling
seley'tivr numpling
In order to achieve the purpose of basic geochemical exploration, samples of special parts and special properties are selected. 5.7 Sampling position The sampling position is the position of the sample at the top of the surface, that is, the sampling is equivalent to a layer in the organic layer, accumulation layer, or parent material layer in the well-developed soil surface. 5.8 Repeated sampling The difference between the two sampling results of the sampling point and other geochemical characteristic values (after analysis and geochemical changes) is a kind of indicator of the quality of the sample in geochemical exploration. 6 Geochemical analysis 61 Geochemical exploration analysis Geochemical analysis is a fast, low-cost, low-detection limit analytical method used to determine the component elements in a large number of quantitative samples (including the content and geochemical characteristics).
6-1.1 In-situ analysis
Iaburaturyannlytical analysis
refers to the general term for geochemical analysis methods conducted in laboratories. 6.1.2 Field analysis
Field enalysis
Geochemical analysis conducted in the field and in the ground. 6.1.2.1 Note: Geochemical analysis
Chemical analysis
refers to geochemical analysis conducted in laboratories temporarily set up in the work area (such as work fences or tents, etc.). 6.1.2.2 In situ analysis
Geochemical analysis conducted at the sample point using portable on-site analysis instruments, on-site analysis boxes or in mobile laboratories. 6.1.2.3 Mobile laboratory A laboratory consisting of one or more analytical instruments or methods based on different analytical principles installed on one or more trucks (trolleys). 6.1.3 Portable inacrument A portable instrument or device used for field measurements. It is a portable instrument or device that is easy to carry (such as portable analyzer, portable X-ray fluorescence spectrometer, portable PIL meter and potentiometer, etc.). 6.1.4 Field analysis kit2 Sampling pasirion
sampling pasirion
determine the specific geological, geomorphological and landform features of the sampling site (e.g. river sediment sampling, mountain sampling, etc.)
5.3 Sampling site
Aampling site
detailed coordinates of the sampling point.
5.4 System level
xtr*amorder
The level at which the tributaries of a system are divided and their relationships with each other. 5.4. 1 Primary system
Inidereem
A technical system with a surface area of 1 cm on a 1:50 000 topographic or similar scale aerial photograph. 5.4.2 Secondary system
2Nanter system
A system formed by the combination of two or more primary systems or a secondary system with a secondary system. 5.4.3 Tertiary stream
Srd orrder stream
A stream formed by two or more secondary streams or by a secondary and tertiary stream. 5.5 Sampling density
sampling density
The number of samples collected per unit area. Usually expressed as points/km. 5.5.1 Low-density sampling
Jaw densiry sampling
Applicable to regionalization and sampling distance,
5.6 Sampling method
Various sampling methods and techniques for geochemical sampling, 5.6.1 Simple point sampling
Each sample is collected at one point.
5.6.2 Combined sampling
cornpasil+ sanipling
CB/T 14496—93
-rKAoNrKAca-
In the specified area near the sampling point, the sample materials that must be collected separately will be combined into a single sample. 5.6.3
Selective sampling
seley'tivr numpling
In order to achieve the purpose of basic geochemical exploration, samples of special parts and special properties are selected. 5.7 Sampling position The sampling position is the position of the sample at the top of the surface, that is, the sampling is equivalent to a layer in the organic layer, accumulation layer, or parent material layer in the well-developed soil surface. 5.8 Repeated sampling The difference between the two sampling results of the sampling point and other geochemical characteristic values (after analysis and geochemical changes) is a kind of indicator of the quality of the sample in geochemical exploration. 6 Geochemical analysis 61 Geochemical exploration analysis Geochemical analysis is a fast, low-cost, low-detection limit analytical method used to determine the component elements in a large number of quantitative samples (including the content and geochemical characteristics).
6-1.1 In-situ analysis
Iaburaturyannlytical analysis
refers to the general term for geochemical analysis methods conducted in laboratories. 6.1.2 Field analysis
Field enalysis
Geochemical analysis conducted in the field and in the ground. 6.1.2.1 Note: Geochemical analysis
Chemical analysis
refers to geochemical analysis conducted in laboratories temporarily set up in the work area (such as work fences or tents, etc.). 6.1.2.2 In situ analysis
Geochemical analysis conducted at the sample point using portable on-site analysis instruments, on-site analysis boxes or in mobile laboratories. 6.1.2.3 Mobile laboratory A laboratory consisting of one or more analytical instruments or methods based on different analytical principles installed on one or more trucks (trolleys). 6.1.3 Portable inacrument A portable instrument or device used for field measurements. It is a light and portable instrument or device (such as portable analyzer, portable X-ray fluorescence spectrometer, portable PIL meter and potentiometer, etc.). 6.1.4 Field analysis kit2 Sampling pasirion
sampling pasirion
determine the specific geological, geomorphological and landform features of the sampling site (e.g. river sediment sampling, mountain sampling, etc.)
5.3 Sampling site
Aampling sitebzxZ.net
detailed coordinates of the sampling point.
5.4 System level
xtr*amorder
The level at which the tributaries of a system are divided and their relationships with each other. 5.4. 1 Primary system
Inidereem
A technical system with a surface area of 1 cm on a 1:50 000 topographic or similar scale aerial photograph. 5.4.2 Secondary system
2Nanter system
A system formed by the combination of two or more primary systems or a secondary system with a secondary system. 5.4.3 Tertiary stream
Srd orrder stream
A stream formed by two or more secondary streams or by a secondary and tertiary stream. 5.5 Sampling density
sampling density
The number of samples collected per unit area. Usually expressed as points/km. 5.5.1 Low-density sampling
Jaw densiry sampling
Applicable to regionalization and sampling distance,
5.6 Sampling method
Various sampling methods and techniques for geochemical sampling, 5.6.1 Simple point sampling
Each sample is collected at one point.
5.6.2 Combined sampling
cornpasil+ sanipling
CB/T 14496—93
-rKAoNrKAca-
In the specified area near the sampling point, the sample materials that must be collected separately will be combined into a single sample. 5.6.3
Selective sampling
seley'tivr numpling
In order to achieve the purpose of basic geochemical exploration, samples of special parts and special properties are selected. 5.7 Sampling position The sampling position is the position of the sample at the top of the surface, that is, the sampling is equivalent to a layer in the organic layer, accumulation layer, or parent material layer in the well-developed soil surface. 5.8 Repeated sampling The difference between the two sampling results of the sampling point and other geochemical characteristic values (after analysis and geochemical changes) is a kind of indicator of the quality of the sample in geochemical exploration. 6 Geochemical analysis 61 Geochemical exploration analysis Geochemical analysis is a fast, low-cost, low-detection limit analytical method used to determine the component elements in a large number of quantitative samples (including the content and geochemical characteristics).
6-1.1 In-situ analysis
Iaburaturyannlytical analysis
refers to the general term for geochemical analysis methods conducted in laboratories. 6.1.2 Field analysis
Field enalysis
Geochemical analysis conducted in the field and in the ground. 6.1.2.1 Note: Geochemical analysis
Chemical analysis
refers to geochemical analysis conducted in laboratories temporarily set up in the work area (such as work fences or tents, etc.). 6.1.2.2 In situ analysis
Geochemical analysis conducted at the sample point using portable on-site analysis instruments, on-site analysis boxes or in mobile laboratories. 6.1.2.3 Mobile laboratory A laboratory consisting of one or more analytical instruments or methods based on different analytical principles installed on one or more trucks (trolleys). 6.1.3 Portable inacrument A portable instrument or device used for field measurements. It is a light and portable instrument or device (such as portable analyzer, portable X-ray fluorescence spectrometer, portable PIL meter and potentiometer, etc.). 6.1.4 Field analysis kit3 Mobile laboratory A laboratory consisting of one or more analytical instruments or methods based on different analytical principles installed on one or more trucks (trolleys). 6.1.3 Portable inacrument A portable instrument or device used for field measurements (such as portable analyzers, portable X-ray fluorescence spectrometers, portable PLI meters and potentiometers, etc.). 6.1.4 Field analysis kit3 Mobile laboratory A laboratory consisting of one or more analytical instruments or methods based on different analytical principles installed on one or more trucks (trolleys). 6.1.3 Portable inacrument A portable instrument or device used for field measurements (such as portable analyzers, portable X-ray fluorescence spectrometers, portable PLI meters and potentiometers, etc.). 6.1.4 Field analysis kit
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.