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A Quantitative Method for Obtaining the Uncertainty of 3D Geological Model of Ore Deposit

An uncertainty and geological model technology, applied in the field of three-dimensional ore deposit geological modeling, can solve problems such as uncertainty in three-dimensional ore deposit geological models and uncertainty in ore deposit geological modeling, so as to avoid major mistakes or even safety accidents, and improve economic and economic development. The effect of social benefits

Active Publication Date: 2020-11-06
LIAONING TECHNICAL UNIVERSITY
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Problems solved by technology

[0005] Aiming at the defects of the prior art, the present invention provides a method for quantitatively obtaining the uncertainty of the three-dimensional ore deposit geological model to solve the uncertainty problem of the ore deposit geological modeling in the process of mine design and production

Method used

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  • A Quantitative Method for Obtaining the Uncertainty of 3D Geological Model of Ore Deposit
  • A Quantitative Method for Obtaining the Uncertainty of 3D Geological Model of Ore Deposit
  • A Quantitative Method for Obtaining the Uncertainty of 3D Geological Model of Ore Deposit

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Embodiment Construction

[0056] In this embodiment, the drilling data included in the original data of a certain coal mine is used as the modeling data source, and the position coordinates (x, y) of the drilling, the floor elevation z of the coal seam, and the thickness h of the coal seam or rock layer are used as the input data to calculate the deposit geology Model uncertainty, such as figure 1 As shown, the specific method is as follows.

[0057] Step 1: Classify the modeling data of the geological model of the deposit, divide the modeling data into original data, result data and production data and perform data management;

[0058] Raw data, result data and production data are classified according to different stages of mine modeling data generation, specifically divided into: raw data including images generated by remote sensing, geological mapping, mountain engineering and surface survey data, drilling data, earth Physical exploration data, geochemical exploration data; result data include resu...

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Abstract

The invention provides a method for quantitatively obtaining uncertainty of a three-dimensional mineral deposit geological model. Firstly each attribute of modeling data in the mineral deposit geological model and uncertainty thereof are processed standardly, and furthermore layering processing is performed on the modeling data according to the characteristic of the mineral deposit. Then Kriging interpolation is performed on each attribute of the modeling data in a certain layer and the uncertainty, and furthermore tetrahedral picture dividing is performed. The uncertainty of the modeling method of each divided layer and the uncertainty of the modeling data are obtained. The uncertainty of the modeling data are overlapped with the uncertainty of the modeling method, thereby obtaining the uncertainty of each divided layer. Finally the uncertainty of the layers is overlapped, thereby obtaining a uncertainty model of the whole mineral deposit geological model. According to the method forquantitatively obtaining the uncertainty of the three-dimensional mineral deposit geological model, through analyzing the uncertainty of the mineral deposit geological model, establishing the uncertainty model, precision of the mineral deposit geological model can be quantified, and a scientific evaluation basis is supplied for decision of related design and production process.

Description

technical field [0001] The invention relates to the field of three-dimensional ore deposit geological modeling, in particular to a method for quantitatively obtaining the uncertainty of a three-dimensional ore deposit geological model. Background technique [0002] The ore deposit geological model is an important basic model for mine planning, design and production. All along, the ore deposit geological model has been understood and established in accordance with the deterministic method, and it is used as the only accurate basis for mine planning decision-making. In practical application, the inaccuracy of the geological model of the mineral deposit often leads to major mistakes in design and even serious safety accidents. Due to the influence of many factors such as data collection density, errors in the collection process of various data, and the accuracy of modeling methods, the established geological model of the deposit must be uncertain. Therefore, the uncertainty of ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/05
Inventor 陈应显康晓敏马江平丛丽
Owner LIAONING TECHNICAL UNIVERSITY
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