Басты бет
→
Автор бойынша көру

Система будет остановлена для регулярного обслуживания. Пожалуйста, сохраните рабочие данные и выйдите из системы.

Автор бойынша көру "b30852d0-7dcf-4984-9268-03333b9a0419"

Көрінетін элементтер 1-17 из 17

Capturing Hidden Geochemical Anomalies in Scarce Data by Fractal Analysis and Stochastic Modeling

Madani, Nasser; Sadeghi, Behnam (Natural Resources Research, 2018)

Fractal/multifractal modeling is a widely used geomathematical approach to capturing different populations in geochemical mapping. The rationale of this methodology is based on empirical frequency density functions ...
Categorization of Mineral Resources Based on Different Geostatistical Simulation Algorithms: A Case Study from an Iron Ore Deposit

Battalgazy, Nurassyl; Madani, Nasser (Natural Resources Research, 2019-03)

Mineral resource classification plays an important role in the downstream activities of a mining project. Spatial modeling of the grade variability in a deposit directly impacts the evaluation of recovery functions, such ...
Co-simulated Size Number: An Elegant Novel Algorithm for Identification of Multivariate Geochemical Anomalies

Madani, Nasser; Carranza, John (Natural Resources Research, 2020-02-01)

Identification of geochemical anomalies is of particular importance for tracing the footprints of anomalies. This can be implemented by advanced techniques of exploratory data analysis, such as fractal/multi-fractal ...
Forecast the mineral processing destinations based on spatial interpolation of geometallurgical variables

Abildin, Yerniyaz; Madani, Nasser; Topal, E. (Complex Orebodies Conference 2018, 2018-11-19)

Mine planning is a crucial part of all mining industry projects, and nowadays, geometallurgical mapping through advanced computer technologies provides an opportunity to involve metallurgical responses of a deposit into ...
Geostatistical Modelling of Geometalurgical Variables Through Turning Bands Approach

Abildin, Yerniyaz; Madani, Nasser; Topal, Erkan (25th World Mining Congress 2018. Proceedings. Geological Exploration., 2018)

Geometallurgical variables have a significant impact in downstream activities of mining projects. Reliable 3D spatial modelling of these variables play an important role in mine planning and mineral processing, in which ...
Geostatistical Modelling of Gold Grades by Co-Kriging-Based Approach for Preserving the Outlying Values

Magzumov, Zhanbolat; Madani, Nasser; Aldamzharov, Bekbolat (Geological Exploration: 85-96, 2018)

Geostatistical modeling of Gold grade (Au) is challenging since the presence of outliers makes the distribution long-tailed and impacts significantly the process of mineral resource evaluation, the mine design and financial ...
A HIERARCHICAL COSIMULATION ALGORITHM INTEGRATED WITH AN ACCEPTANCE– REJECTION METHOD FOR THE GEOSTATISTICAL MODELING OF VARIABLES WITH INEQUALITY CONSTRAINTS

Madani, Nasser; Abulkhair, Sultan (Springer, 2020-07)

This work addresses the problem of the cosimulation of cross-correlated variables with inequality constraints. A hierarchical sequential Gaussian cosimulation algorithm is proposed to address this problem, based on ...
A Hybrid Approach for Joint Simulation of Geometallurgical Variables with Inequality Constraint

Abildin, Yerniyaz; Madani, Nasser; Topal, Erkan (MDPI, 2019-04-04)

Geometallurgical variables have a significant impact on downstream activities of mining projects. Reliable 3D spatial modelling of these variables plays an important role in mine planning and mineral processing, in which ...
IMPLICIT MODELLING OF GEOLOGICAL DOMAINS BY SUPPORT VECTOR MACHINE: TUNING THE PARAMETERS BASED ON CONSISTENCY OF THE INDICATOR VARIOGRAM

Ongarbayev, Ilyas; Madani, Nasser (APCOM 2021, 2021-09)

3D modelling of geological domains is an essential part of orebody modelling and resource classification. Conventionally, one applies a wireframing technique, which, in practice, is quite laborious. An automatic approach ...
INTEGRATION OF DUAL BORDER EFFECTS IN RESOURCE ESTIMATION: A COKRIGING PRACTICE ON A COPPER PORPHYRY DEPOSIT

Madani, Nasser; Maleki, Mohammad; Sepidbar, Fatemeh (MDPI AG, 2021-06-22)

Hierarchical or cascade resource estimation is a very common practice when building a geological block model in metalliferous deposits. One option for this is to model the geological domains by indicator kriging and then ...
Lithofacies uncertainty modeling in a siliciclastic reservoir setting by incorporating geological contacts and seismic information

Madani, Nasser; Naderi, Asghar; Biranvand, Bijan; Keshavarz, Nasser (Journal of Petroleum Exploration and Production Technology, 2018-08-14)

Deterministic modeling lonely provides a unique boundary layout, depending on the geological interpretation or interpolation from the hard available data. Changing the interpreter’s attitude or interpolation parameters ...
Mineral Resource Assessment in Complex Ore Deposits based on International Standards

Battalgazy, Nurassyl; Madani, Nasser (The Complex Orebodies conference, 2018-11-19)

Geostatistical simulation has been widely used in mineral resource classification of metalliferous deposits based on international standards such as JORC code. However, the modeling process becomes challenging whenever the ...
MINERAL RESOURCE MODELING OF VARIABLES WITH INEQUALITY CONSTRAINTS: A CASE STUDY OF AN IRON ORE DEPOSIT

Abulkhair, Sultan; Madani, Nasser (APCOM 2021, 2021-09)

In multivariate geostatistics, it is common to have different types of complexities between variables of interest. In this context, an inequality constraint is an example of complex bivariate relationships. Unfortunately, ...
Probabilistic Domaining of Aluminum Areas in Iron Deposits

Battalgazy, Nurassyl; Madani, Nasser (25th World Mining Congress 2018. Proceedings. Geological Exploration., 2018)

Geostatistical modeling of Iron grade (Fe) in metalliferous deposits is a rationale stage in further analysis of mine design such as mine planning and mineral processing plant optimization. This procedure is becoming ...
Spatial Mapping of the Rock Quality Designation Using Multi-Gaussian Kriging Method

Madani, Nasser; Saffet, Yagiz; Coffi Adoko, Amoussou (Minerals, 2018-11-15)

The rock quality designation is an important input for the analysis and design of rock structures as reliable spatial modeling of the rock quality designation (RQD) can assist in designing and planning mines more efficiently. ...
Stochastic Modeling of Chemical Compounds in a Limestone Deposit by Unlocking the Complexity in Bivariate Relationships

Battalgazy, Nurassyl; Madani, Nasser (MDPI, 2019-11-04)

Modeling multivariate variables with complexity in a cross-correlation structure is always applicable to mineral resource evaluation and exploration in multi-element deposits. However, the geostatistical algorithm for such ...
Uncertainty quantification of rock quality designation at the Gazestan phosphate deposit

Madani, Nasser; Yagiz, S.; Adoko, A.C.; Battalgazy, Nurassyl (Geometallurgy Conference 2018, Back to the Future Cape Town, (6-8 August 2018). The Southern African Institute of M ining and Metallurgy, 2018-08-06)

Several geomechanical variables reflect the characteristics of rock masses and in recent years have been considered as the geometallurgical responses in the mining industry. These variables have a great effect on the ...