After an extended leaching leaching time with unknown chemicals and unknown costs, time and energy to extract those small buttons. And the company can't tell you the method that they used to do this. So - yes - its a case of "trust us - the cheque is in the mail" at this point.
The assay results are not reproducible and come from a vague amalgamated bulk sample collected over some rocks sticking out of the ground at surface and ignoring all the other surrounding rocks which have weathered to soil. There is also no information yet as to what potential surface enrichment has happened, and if the un-measurable gold and other precious metal "grades" continue to what (or any?) depth at all.
Also consider the sampling technique used, and consider the environment and tools used to collect the 150kg bulk surface metallurgical chip samples in the first place. What’s the provenance and history of those tools/equipment and the workers as pertaining to potential sources of sample contamination? What chain of custody and security protocols were used in the transportation of this 150Kg sample from the field area to the lab? This 150kg Ema sample became a small 5kg Ema sub-sample after crushing in a ball mill? Why such a small subsample? What and whose samples went through that ball mill and riffle splitter just previous to the BBX sample? Was it adequately cleaned? What happened to the remaining 145kg of the Ema sample? Why weren't duplicate samples tested if they still have 145Kg of the original Ema sample? How was that 5kg extracted from the original 150Kg?
It seems that some people here have trouble understanding what Esh is trying to say, the company itself has admitted that it has trouble finding a suitable analytical technique to measure the grade of material that it has sampled. He is suggesting that they conduct thorough scientific work to attempt to find/improve upon/narrow down an assay method that is reproducible, timely and at a reasonable cost. And do the statistics to prove its reliable and reproducable before committing to a larger exploration program (if warranted). The "assay"methods that they have used so far are not fully disclosed, but must take a very very long time and must cost an astronomical amount of money to conduct (either in reagent cost or time or energy inputs). Consider how much energy – heat – you have to generate to smelt a 5Kg sample or crushed rock, now if that’s the only way to liberate the gold and precious metals then start to think of the energy required to smelt hundreds or thousands of tonnes of **bro rock in any potential future mining and milling operation, because according to BBX – that’s the only way that they can currently extract the gold from the host rock.
By the way Midnight26 – you still haven’t answered my question about what a representative sample is.
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