"This layer of clay can be up to 30 m (98 ft) thick and covers the bauxite deposits in the tropical regions of the earth, for example in the Amazon basin," explains Pöllmann.

Production of low- CO2 cements using abundant bauxite overburden "Belterra Clay" Article Publication Date. 26-May-2021. COI Statement.

Ever wondered how aluminum is made? In this detailed video, we uncover the industrial process behind the creation of aluminum, starting with the extraction of bauxite, an ore rich in aluminum oxide.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Page 139 from Fortune magazine ...

The West African country of Guinea is one of the world’s poorest nations. But it is also one of the top bauxite exporters, and the biggest to China, where the bulk of global aluminum is produced.