Coal Macerals MA27 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

MA27

ma27
Frame ID: MA27
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: out
Analyzer: Out
Retarder Plate: Out
Filter: None
Important Features: Crassicutinite fluorescing yellow under blue light illumination.
High Resolution Image (300 dpi)

Description: Same field as MA26 under blue-light illumination. Note the yellow fluorescence and the enhanced texture.