Sentences with phrase «crushed diatom»

The slide contained around a hundred crushed diatom shells.

Scherer would later find dozens of crushed diatom shells in his samples — possible remnants of microscopic aquatic organisms from when the site of Lake Whillans was a shallow seafloor.

Not exact matches

Diamotaceous Earth is a fine white powder, made from crushed shells of microscopic aquatic creatures called Diatoms.