Home >                  	Term: ironstone clay  
ironstone clay
A brown to deep-red variety of natural ferric oxide containing an appreciable portion of clay (or sand).
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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 Looja
- ed.young
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(Milwaukee, United States)

