Analytical Suite Metadata

ODM – calculated gold concentrations

Overburden Drilling Management.  A ppb gold concentration in the heavy mineral concentrate is estimated, based on the size of the grains and the total weight of the heavy mineral concentrate.

General Methodology:


Instrument: unstated

Sample material: solid

Sample weight: unstated

Analytical Technique:

Hierarchical classification

Technique >> Physical techniques >> Mineral identification >> Visual >> Binocular microscope



Analytical Decomposition:

Hierarchical classification

Decomposition >> None



Analytical Methods:

IndexMethod OrderMethod IDQuantityDetection Limit
1  2391     VG_HMC_Wt 
2  2387     VG_tot_ppb 
3  2388     VG_reshaped_ppb 
4  2389     VG_modif_ppb 
5  2390     VG_pristin_ppb 

Associated Analytical Packages:

IndexPackage IDPackage Name
1  165     ODM heavy mineral separation and VG counts (<1 mm fraction table processed; 1-2 mm fraction processed by methylene iodide)
2  225     ODM VG counts and estimated concentrations
3  253     ODM HMC separation and KIM + MMSIM picking
4  254     ODM EPD and KIM + MMSIM picking
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