Spodumene has a theoretical Li % content of ~10%. So to get a a 7% result, they have analysed a sample that is approximately 70% spodumene/30% gangue pegmatite minerals. The 1-2% samples are much more representative of the overall pegmatite mineralogy as you can see the quartz, feldspars and muscovites (the gangue minerals).
The lepidolite would complicate the design process as it won't be as easily and cheaply extracted compared to spodumene. But its brownie points nonetheless.
The Big Pegmatite they've estimated at 10m true thickness. Which puts its tonnage estimate at 9.45Mt. They've also stated its gently dipping so as long as they're playing ball by conventional terms, that places it dipping between 10 and 30 degrees. Which should offer a low strip ratio potential if one day this ever gets to mining. Mt Cattlin started their operations off at 11Mt with tantalum credits.
I find it hard to believe that Lithium Australia held this ground for 7 years and focused only on Horseshoe if they had known outcrops at surface.
Again, surface chips mean nothing without knowing the true extent of the system beneath the cover. Drills can't come soon enough.
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