Abstract
Shungite is a solid bitumen which represents highly condensed carbonaceous matter from a Precambrian regionally metamorphosed area in Shunga (Karelia, USSR). Its chemical structure differs considerably in comparison with other types of solid bitumen. Structural inhomogeneity is a characteristic feature of this carbonaceous matter. The structure of shungite is a result of some process which oxidized primary organic matter of probably algal origin, and of the conditions of regional metamorphism.
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Jehlička, J., Rouzaud, JN. (1993). Transmission Electron Microscopy of Carbonaceous Matter in Precambrian Shungite from Karelia. In: Parnell, J., Kucha, H., Landais, P. (eds) Bitumens in Ore Deposits. Special Publication of the Society for Geology Applied to Mineral Deposits, vol 9. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-85806-2_4
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DOI: https://doi.org/10.1007/978-3-642-85806-2_4
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