Sample of thorianite,the principal ore of thorium (as thorium oxide,ThO2) and a source of uranium. It is found mainly in alluvial deposits in Sri Lanka,India and Madagascar | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4500 px × 4500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |