Drilling will take place at up to 22 different sites at up to 3,000 feet with the aim of defining permitting boundaries for one or more open-pit mine sites for the production of perlite and pozzolan.
The programme will include the Tuff and Main Zones and is estimated to take up to five weeks to complete.
Pozzolans are glassy volcanic rocks, including perlite, having potential as an environmentally friendly replacement for Portland cement in cement mixes and concrete mixes.
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Perlite is also used as a lightweight industrial material and horticultural growing medium.