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East Star Resources provides Talairyk rare earths project update

Published by , Editorial Assistant
Global Mining Review,

East Star Resources Plc, the Kazakhstan-focused minerals exploration company, is pleased to provide an update for the Talairyk heavy rare earth elements (HREE) project in East Kostanay, Kazakhstan.


  • All 966 recovered samples from the 1001 m/30 borehole initial RC drilling programme in November 2022 have undergone analysis by a pXRF analyser to provide an indication of rare earth element grades.
  • The element yttrium was used as a proxy for HREE mineralisation and was reported in all samples from the prospective kaolinitic clay horizon with 12 boreholes recording grades above 500 ppm.
  • In consultation with The MSA Group, Minerals Consulting Ltd ('MSA), individual and composite samples were selected and sent for sample preparation at ALS laboratories in Karaganda and have now arrived at ALS laboratories in Ireland where assay work has begun.
  • Additional composite samples will be sent for five stage sequential leach test work, which will be a major indicator of the liberation qualities of the ore and the first step in producing a process flow sheet and understanding potential project economics.

Alex Walker, East Star CEO, commented:

''We are very excited to be moving towards the results stage of initial exploration on the Talairyk HREE project. The kaolinitic clays seen in drilling, when combined with the yttrium pXRF results and historical reports, provide us confidence in the presence of HREE elements with a geochemical signature resembling those of the producing mines in South China. Positive results from pending assay and leach tests will give us the confidence to move rapidly into resource drilling of the historical deposit, exploration of the significant granitic trend, and more detailed metallurgical work required for a scoping study."

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