- volcanic pisolite
- Макаров: лапилли наращивания, пирокластический пизолит
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the … Wikipedia
Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) … Wikipedia