Coal Macerals MA28 | Petroagphic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

MA28

ma28
Frame ID: MA28
Sample ID: Brazil Block Seam, high volatile A bituminous coal, SW Indiana
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: The linear dark features are tenuicutinite (thin-walled cutinite).
High Resolution Image (300 dpi)

Description: The dark stringers running across the field are tenuicutinite (thin-walled cutinite).