"you cant extrapolate rock chips grade to pegmatite intercepts at depth."
Yes you can. Otherwise why would you ever assay rock chips? Just drill blind if rock chips aren't representative of the system below.
"there were a lot of NSR results amidst the higher grade rock chips"
There were 4 low grade samples. 4 is not "a lot". There were 10 extremely high grade samples. All the samples that have zero lithium mineralisation are likely wall-rock. The average grade of lithium in the mineralised samples is 2.5% Li2O. The average grade of the non-mineralised samples is 0.0325% Li2O - barely anomalous, more than likely background Li2O hence non-pegmatitic material inference.
Sample ID East North Grid Li2O % 1 S10014 360626 6515777 MGA94_51S 3.7 2 S10017 360605 6515513 MGA94_51S 3.6 3 S10021 360623 6515783 MGA94_51S 3.04 4 S10019 360647 6515683 MGA94_51S 2.91 5 S10015 360560 6515555 MGA94_51S 2.86 6 S10025 360576 6515509 MGA94_51S 2.73 7 S10013 360661 6515800 MGA94_51S 2.61 8 S10026 360630 6515771 MGA94_51S 1.66 9 S10022 360640 6515624 MGA94_51S 1.45 10 S10023 360661 6515860 MGA94_51S 1.21 11 S10016 360681 6516024 MGA94_51S 0.09 12 S10018 360691 6516025 MGA94_51S 0.03 13 S10020 360627 6515622 MGA94_51S 0.01 14 S10024 360672 6515818 MGA94_51S 0 15 16 AVERAGE PEGMATITE 2.577 17 AVERAGE WALLROCK 0.0325
"also pegmatites arent necessarily made up of spodumene- the lithium bearing mineral and the grade is unknown"
If you can't see the spodumene here, I can't help you. Even the company has labelled it for you.![]()
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