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Reference
20170033_0015
Gisement de fer rubané (BIF) datant de 2 000 millions d'années, découvert en Afrique du Sud
BIF (Banded Iron Formation) deposit discovered at Barberton, South Africa. This 18-cm sedimentary rock, very rich in iron, dates back 2000 million years. It belongs to the Molecular Biophysics Centre (CBM) rock collection, a unique collection of terrestrial rocks and minerals, some dating back several billion years.
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