Coal Macerals MA31 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

MA31

ma31
Frame ID: MA 31
Sample ID: Brazil Block, high volatile A bituminous coal, SW Indiana
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: Cutinite fluorescing yellow under blue light illumination.
High Resolution Image (300 dpi)

Description: Same frame as MA30 under blue-light illumination. Note the crenulations and the enhanced detail observable under fluorescent light.