PDF Mineral Commodity Summaries 2022 Perlite USGS Publications Warehouse
Crude ore production was from eight mines operated by five companies in six Western States. One other mine was idle throughout the year. New Mexico and Oregon continued to be the leading producing States. Domestic apparent consumption of crude perlite was estimated to be 650,000 tons. Processed crude perlite was expanded at 55 plants in 28 States.