Home > Term: polynigritite
polynigritite
Variety of nigritite found in a finely dispersed state in argillaceous rocks. Compare: keronigritite; humonigritite.
- Del af tale: noun
- Branche/domæne: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Ophavsmand
- ed.young
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