Multi-Gaussian kriging: a practice to enhance delineation of mineralized zones by Concentration–Volume fractal model in Dardevey iron ore deposit, SE Iran

Afzal, Peyman; Madani, Nasser; Shahbeik, Shahab; Yasrebi, Amir Bijan

doi:10.1016/j.gexplo.2015.06.011

Cited by 23 publications

(8 citation statements)

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“…El uso de la técnica de interpolación kriging, presenta como fortaleza, que con ella se puede tener conocimiento del comportamiento de la variable en el espacio [10], [26], por lo que permite la posibilidad de realizar simulaciones probabilísticas, representando el resultado del kriging como la probabilidad de que la variable alcance un determinado valor, lo que les da validez estadística a los resultados obtenidos en el presente estudio. Por otro lado, también se considera que la efectividad del kriging como método de predicción está sujeta a la cantidad de puntos de medición que se obtengan, a mayor densidad de puntos, mayor es la confiabilidad de la predicción [12].…”

Section: Resultados Y Disusiónunclassified

Modelamiento kriging del comportamiento vertical de ruido ambiental mediante mapas temáticos durante festividades culturales en Puno y Juliaca, Perú

Mamani

Marín-Paucara

Espinoza³

et al. 2021

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La contaminación acústica afecta la calidad de vida de las personas en todo el mundo. El origen puede deberse a diversas causas entre ellas actividades culturales. El objetivo fue modelar la distribución vertical en mapas temáticos utilizando la técnica Kriging en la parada veneración de la Virgen de la Candelaria en Puno y la parada del carnaval de Juliaca en Perú. Las mediciones se realizaron con los métodos vial y la rejilla, con cuatro indicadores (Lmin, Lmax, LApk y LAeq). Se usaron 28 muestras con un total de 112 puntos de monitoreo, que se modelaron por cota a una razón de cada 5 metros. Se calcularon matemáticamente los valores en las cotas 5, 20, 50 y 100 metros para ver el comportamiento altimétrico del dB(A), como control de usar los datos con el sonómetro a dichas altitudes, que se encuentran georreferenciadas en 19 L UTM WGS 84, para lo que utilizó un Sonómetro CASELLA CEL 6X0. En ambas ciudades se obtuvo que el ruido se atenúa al aumentar la altura, estando los valores para las cotas +5 m y +20 m, en ambos casos por encima de los valores permisibles de LAeq, según el Decreto Supremo Nº 085-2003-PCM (mínimo 50 dB y máximo 60 dB). No se evidenciaron diferencias estadísticamente significativas en los niveles de ruido para ambas ciudades con 95% de confianza en cada uno de los indicadores medidos.

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Section: Resultados Y Disusiónunclassified

Modelamiento kriging del comportamiento vertical de ruido ambiental mediante mapas temáticos durante festividades culturales en Puno y Juliaca, Perú

Mamani

Marín-Paucara

Espinoza³

et al. 2021

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“…Their results indicate that the error estimation of OK method is less than IDW method and that the results of OK method are reliable. Afzal et al, [1] identified the effect of ordinary and straightforward multi-Gaussian kriging (oMK, sMK) estimation methods for the delineation of iron mineralized zones based on subsurface data using Concentration-Volume (C-V) fractal modeling. Spatial data analyses (variograms and anisotropic ellipsoid) were initially calculated for the Fe distribution.…”

Section: Electronic Supplementary Materialsmentioning

confidence: 99%

3D modeling of faults and stability analysis of Dardvey mine in Sangan iron skarn complex, Iran

2020

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The system of water flow into the Sangan mineral pit, located in NE Iran, has a direct relationship with the deformations, fractures, and faults. This study aims to investigates, identifies, and analyze the tectonic structures in the Sangan Dardvey deposit, and to determine the regional structural model, deposit structural patterns, and finally provide the deposit's 3D formation model for water entry. The Sangan mining region is located at the end of one of the large-scale branching terminals of the Dorouneh fault, this block is considered a part of a tectonic escape in terms of regional tectonics, and most of the groundwater in the region can be attributed to its activity. The fault density map has been prepared by investigating the faults existing in the deposit area and analyzing the spatial density of faults. The map shows that three faults zones in the Dardvey deposit area are in the E-W, NE-SW, and NW-SE strikes with a dip angle (70°-80°). These fault areas can create paths for the entrance of groundwater into the mineral deposit. Moreover, the structural studies have shown that in the Sangan Dardvey deposits, the fractures play a crucial role in the fault zones, to which the existing anomalies are directly related. The estimation of water entry in the Dardvey deposits has been mainly controlled by tectonic structures.

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“…Broadly speaking, Gaussian (co)-simulation approaches are the offshoot of deterministic approaches such as kriging. Although this most commonly used interpolation method is robust, it suffers from some impediments such as smoothing effect such that maps of estimated variables show squeezed distribution compared to the distribution of original data (Chilè s and Delfiner 2012; Rossi and Deutsch 2014;Afzal et al 2015;Battalgazy and Madani 2019). This impacts over-and underestimation of de-clustered original low and high values in data, respectively.…”

Section: Introductionmentioning

confidence: 99%

Co-simulated Size Number: An Elegant Novel Algorithm for Identification of Multivariate Geochemical Anomalies

Madani

Carranza

2019

Nat Resour Res

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show abstract

Multi-Gaussian kriging: a practice to enhance delineation of mineralized zones by Concentration–Volume fractal model in Dardevey iron ore deposit, SE Iran

Cited by 23 publications

References 46 publications

Modelamiento kriging del comportamiento vertical de ruido ambiental mediante mapas temáticos durante festividades culturales en Puno y Juliaca, Perú

Modelamiento kriging del comportamiento vertical de ruido ambiental mediante mapas temáticos durante festividades culturales en Puno y Juliaca, Perú

3D modeling of faults and stability analysis of Dardvey mine in Sangan iron skarn complex, Iran

Co-simulated Size Number: An Elegant Novel Algorithm for Identification of Multivariate Geochemical Anomalies

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