Typically values are interpolated into block or grid models. Use of the results of the Variogram analysis to estimate values for material throughout the orebody of zone of interest.
Variogram analysis to investigate the spatial trends within the sample population, including Variogram calculation, modeling and validation.Ĥ. Histogram analysis and calculation of key statistical parameters in order to identify discrete populations, anomalous values and establish cut grades.ģ. Compositing of samples over a nominated distance to ensure that each interval of material has equal representation in the sample population.Ģ. The three steps involved in Geostatistical analysis include:ġ. They will typically be analyzed by a laboratory for the attributes of interest. Once samples are collected from the field, they are carefully labeled with the sample location and a unique name. The temperatures sampled along the beach are likely to more closely related than samples taken closer by in an inland area where the environment is different. An intuitive example is the taking of temperature samples from a beach. The fundamental premise of Geostatistics is that the processes by which soil and rock materials are created and transformed in nature leads to patterns or trends in the way the properties of the material vary with direction and distance. Geostatistics is used to estimate the values of properties throughout a rock or soil zone, from a population of sample values. It can be vital in determining the most effective and profitable mining methods to apply to a project. It can provide important information about the orebody that can heavily impact the value and economic risks associated with the project.
Geostatistical analysis is a vital activity in developing a clear understanding of many mining projects.
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