maceral


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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 ?
The generation of methane is a function of maceral (microscopic organic constituents that make up coal) type and the thermal maturation process.
Kneller had developed an extensive reference collection of Ohio and North American cherts with accompanying thin sections, Ohio coal pellets, and maceral photographs.
Maceral and geochemical characteristics of coal seam and oil shale in Huangxian Basin.
Traditionally this is done by the microscopic maceral analysis, but routine analysis in the oil industry uses mainly pyrolysis data to calculate hydrogen and oxygen indexes, and their position in the HI-[T.
A visual estimation of the relative abundance of maceral content was made using a Zeiss incident-light microscope and a Swift point counter (Canimpex Enterprises Ltd.
GOS consists of more than 50% liptinite, 20-50% huminite, and 0-20% inertinite maceral groups and is characterized by high organic content.
The oil shale samples were studied through using quantitative identification of maceral under microscope, rock pyrolysis, TOC, Gray-King low-temperature dry distillation test.
The maceral and mineral composition of the samples were studied using reflected and transmitted normal and fluorescence microscopy.