DefiniciĆ³n de criterios de categorizaciĆ³n de recursos de proyectos mineros de cobre
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2019
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es
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Universidad AndrƩs Bello
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Resumen
En esta investigaciĆ³n se realizarĆ” un benchmarking de los distintos reportes tĆ©cnicos pĆŗblicos NI 43-101 en donde su principal mineral de extracciĆ³n sea el cobre, estos sondeados desde el primero de enero del 2011 al 30 de septiembre del 2018 en la pĆ”gina SEDAR. A travĆ©s de ellos se generarĆ” una base de datos mediante recopilaciĆ³n de informaciĆ³n establecida por parĆ”metros significativos presentes en estos reportes tĆ©cnicos. Dicha base de datos serĆ” puesta en anĆ”lisis con la finalidad de obtener los criterios de categorizaciĆ³n de recursos, ya sea en los distintos tipos de recursos, medidos, indicados e inferidos. El anĆ”lisis puntual correspondiente a los criterios de categorizaciĆ³n se realizĆ³ mediante distintas aleaciones de parĆ”metros significativos, para representar de mejor manera las distintas caracterizaciones presentes en los yacimientos que declararon recursos minerales de forma pĆŗblica y a travĆ©s de los reportes NI 43-101.Los resultados obtenidos de los distintos criterios obtenidos se separan por 2 grupos generales de caracterizaciĆ³n, el primero definido por anĆ”lisis de muestras con distintas variables y el siguiente grupo establecido por elementos de simulaciĆ³n y variantes empĆricas, cada uno de estos determinaban la mayor certeza o anĆ”lisis en representaciĆ³n de lo que podĆa poseer el yacimiento y por ende definĆan que tipo de recursos se podĆa representar en un depĆ³sito mineral a evaluaciĆ³n. Cabe destacar que en general en los 3 tipos de recursos dispuestos la tĆ³nica comĆŗn se equilibraba a distintos anĆ”lisis de muestras y sus respectivas variantes como los criterios de mayor utilizaciĆ³n para definir un tipo de recurso como tal. Con esto se logrĆ³ obtener una caracterizaciĆ³n inicial de los distintos recursos dispuestos en un yacimiento minero.
In this research a benchmarking of the different public technical reports NI 43-101will be carried out, where its main extraction mineral is copper, these probes from January 1, 2011 to September 30, 2018 on the SEDAR page.Through them, a database will be generated through the collection of information established by significant parameters present in these technical reports. This database will be put into analysis in order to obtain the criteria for categorizing resources, whether in the different types of resources, measured, indicated and inferred.The punctual analysis corresponding to the categorization criteria was carried out by means of different alloys of significant parameters, to better represent the different characterizations present in the deposits that declared mineral resources publicly and through NI 43-101 reports.Theresults obtained from the different obtained criteria areseparated by 2 general groups of characterization, the first defined by analysis of samples with different variables and the next group established by simulation elements and empirical variants, eachof these determined the greatest certainty or analysis in representation of what the deposit could possess and therefore defined what type of resources could be represented in a mineral deposit under evaluation.It should be noted that in general, in the 3 types of resources provided, the common tonic is balanced to different analysis of samples and their respective variants as the criteria of greatest use to define a type of resource as such. With this it was possible to obtain an initial characterizationof the different resources arranged in a mining deposit
In this research a benchmarking of the different public technical reports NI 43-101will be carried out, where its main extraction mineral is copper, these probes from January 1, 2011 to September 30, 2018 on the SEDAR page.Through them, a database will be generated through the collection of information established by significant parameters present in these technical reports. This database will be put into analysis in order to obtain the criteria for categorizing resources, whether in the different types of resources, measured, indicated and inferred.The punctual analysis corresponding to the categorization criteria was carried out by means of different alloys of significant parameters, to better represent the different characterizations present in the deposits that declared mineral resources publicly and through NI 43-101 reports.Theresults obtained from the different obtained criteria areseparated by 2 general groups of characterization, the first defined by analysis of samples with different variables and the next group established by simulation elements and empirical variants, eachof these determined the greatest certainty or analysis in representation of what the deposit could possess and therefore defined what type of resources could be represented in a mineral deposit under evaluation.It should be noted that in general, in the 3 types of resources provided, the common tonic is balanced to different analysis of samples and their respective variants as the criteria of greatest use to define a type of resource as such. With this it was possible to obtain an initial characterizationof the different resources arranged in a mining deposit
Notas
Tesis ( Ingeniero Civil en Minas)
Palabras clave
Yacimientos Minerales, Investigaciones, MĆ©todos EstadĆsticos, Cobre, Investigaciones, ValoraciĆ³n de Minas