maceral

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Related to Macerals: coal petrology

maceral

(ˈmæsərəl)
n
(Geological Science) geology any of the organic units that constitute coal: equivalent to any of the mineral constituents of a rock
[C20: from Latin mācerāre to macerate]
References in periodicals archive ?
Hydrocarbon-generating macerals of Paleogene organic source rocks in Huangxian Basin.
12%) indicating can be used as a PCI blend with the higher phosphorous other Western Canadian PCI coals- HGI index at 46 makes this coal a very suitable blending coal to maximise pulverising and injecting capacity- Petrographic examination indicates the high volatile Basin coal has 90% reactives and about 10% inert macerals which should provide high efficiency in combustion.
Such methods are laser micropyrolysis of macerals [9-10], microscopy for visualization of coals [11-14] and FT-IR spectroscopy of kerogen [15].
Of kerogen macerals and soluble organic matter, the abundant amorphous body and algae are important sources of organic matter (Fig.
Macerals characteristics of black argillite from Paleozoic marine-continental transitional facies and evaluation on their gas-generating potentiality // Acta Sedimentologica Sinica.
Density gradient centrifugation: application to the separation of macerals of type I, II, and III sedimentary organic matter // Energ.