Home > Term: dull attritus
dull attritus
A field term denoting the degree of luster of attrital coal as it compares to the brilliant luster of vitrain associated in the same locality. Compare: bright attritus.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)