Pisolites are pea-shaped,concentrically layered spherical nodules (spherules) that form by accretion; a rock made of of pisolites is called pisolitic,and its texture could be described as spherulitic. In this case,the mineral is bauxite,the major ore of aluminum | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Arem, Joel |
Taille de l’image : | 3765 px × 2550 px |
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