Perlite is a volcanic rock that increases circulation and moisture ... Once the perlite is brought out of the ground it is taken to processing plants where it is crushed into small pieces.

Resarchers, including Dr. Michael Tice at Texas A&M University, use the sophisticated technology on NASA's Perseverance rover ...

Lerma river system, the organization H2O Lerma Con Encanto is seeing results with eggshell and volcanic rock filters.

“We never expected to find delicate tissues such as feathers preserved in a volcanic rock.” Using electron microscopes and chemical tests, the researchers analysed samples of the fossil ...

Researchers found that the volcanic rock preserving the feather holds microscopic details preserved within the fossil. The team’s research—published today in Geology—found that the feathers ...

An analysis of a 30,000-year-old fossil vulture from Central Italy has revealed for the first time that volcanic rock can preserve microscopic details in feathers -- the first ever record of such ...

More information: Margherita Mussi, The volcanic rock spheres of Melka Kunture (Upper Awash, Ethiopia) at Gombore IB and later Acheulean sites, Quaternary International (2025). DOI: 10.1016/j.quaint.

An analysis of a 30,000-year-old fossil vulture from Central Italy has revealed for the first time that volcanic rock can preserve microscopic details in feathers—the first ever record of such a ...