Leia is 120m thick in parts, strip ratio would be negligible at times during OP mining. WC released a trial concentration run of Leia IIRC and it got pretty high recovery from floatation alone like LTR's ore did.
Release snipping below showing 84% recovery for a 5.5% concentrate grade :
Ann: WILDCAT DELIVERS MRE OF 74.1MT @ 1.0% Li2O, page-164
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