Coal Macerals MA26 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

MA26

ma26
Frame ID: MA26
Sample ID: Hartshorne seam, high volatile A bituminous coal, Arkoma Basin, Oklahoma
Maceral Group: Liptinite
Maceral Type: Cutinite
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer:Out
Retarder Plate:Out
Filter: None
Important Features: Typical occurrence of crassicutinite.
High Resolution Image (300 dpi)

Description: The large dark feature is crassicutinite, a maceral derived from thick-walled. Note that one side is flat while the other side is crenulated. Although the nature of the crenulations varies, the difference in the two surfaces is typical.