Is not the information you are discussing here? The graph on page 20 of the presentation seems fairly adamant that one year of persistence (aka retention) has been measured.
SER How flooding did Strategic Energy Resources a favour: Four holes down in 'redesigned' gold & copper campaign
CC9 Chariot locks in high-potential drill target at Black Mountain, one of the USA's largest lithium landholdings
Week 34 Wrap: HotCopper's top watched; Oz banks cut saver interest; Kamala’s 28% corporate tax; AI’s back
NRX Noronex kicks off EM survey at Humpback, Namibia – part of South32's earn-in deal to access Kalahari Copper Belt
