impsonite


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impsonite

(ˈɪmpsəˌnaɪt)
n
(Geological Science) geology a black, asphaltite mineral with a high carbon content of 50-85% and formed from the metamorphosis of petroleum
References in periodicals archive ?
1991, Occurrence of fracture-hosted impsonite and petroleum fluid inclusions, Quebec City Region, Canada: American Association of Petroleum Geologists Bulletin, v.