samples to laboratories for  Discussion of methods used to detect verification. the presence of deleterious elements or Collection of baseline trace minerals that will affect mining,  element, whole-rock analyses, and processing, environmental programs, evaluation for possible deleterious or worker safety. elements. See Exploration Information. See Exploration Information. d. Sample   Collection of independent samples  Verification (witness samples) the supervision of the Competent Person. Can include channel samples,  twin holes, visual inspection, resampling split core, etc. Discussion of how the bulk density See Mineral Resource. e. Bulk Density Generally based on preliminary    was determined (assumed, measured, test work or benchmarking. The bulk density must account for  or estimated). void spaces (vugs, porosity, etc.) and If assumed, which assumptions were for differences between rock types,  made and on which basis. structural and alteration zones within the deposit. If measured, by what method and how  abundant and representative are the Waste bulk densities should be well  bulk density data. defined. If estimated, what methodology was  used to estimate the density.  Discussion of whether different bulk densities were used in different parts of the deposit and why. Bulk density should be stated as on a  dry or wet basis. See Exploration Information. See Exploration Information. f. Sample Security    Measures taken to ensure sample security and chain of custody should be documented. Retention of sample rejects, pulps,  and remaining core.
samples to laboratories for verification.  Collection of baseline trace element, whole-rock analyses, and evaluation for possible deleterious elements.  Discussion of methods used to detect the presence of deleterious elements or minerals that will affect mining, processing, environmental programs, or worker safety. d. Sample Verification  Collection of independent samples (witness samples) the supervision of the Competent Person.  Can include channel samples, twin holes, visual inspection, resampling split core, etc.  See Exploration Information.  See Exploration Information. e. Bulk Density  Generally based on preliminary test work or benchmarking.  Discussion of how the bulk density was determined (assumed, measured, or estimated).  If assumed, which assumptions were made and on which basis.  If measured, by what method and how abundant and representative are the bulk density data.  If estimated, what methodology was used to estimate the density.  Discussion of whether different bulk densities were used in different parts of the deposit and why.  Bulk density should be stated as on a dry or wet basis.  See Mineral Resource.  The bulk density must account for void spaces (vugs, porosity, etc.) and for differences between rock types, structural and alteration zones within the deposit.  Waste bulk densities should be well defined. f. Sample Security  Measures taken to ensure sample security and chain of custody should be documented.  Retention of sample rejects, pulps, and remaining core.  See Exploration Information.  See Exploration Information.