pyritic (smelting) process

Игры ⚽ Нужно сделать НИР?

pyritic smelting — noun : a process of smelting pyritic ores without previous roasting and with little or no fuel by utilizing the heat resulting from the combustion of their high sulfur content … Useful english dictionary
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
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
Mintek — Type Mining and Minerals Research Industry Mining Founded 1934 Headquarters … Wikipedia

Словари и энциклопедии на Академике