Coal Macerals MA37 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

MA37

ma37
Frame ID: MA37
Sample ID: Elkhorn #3 seam Appalachian high volatile A bituminous coal, eastern Kentucky
Maceral Group: Inertinite
Maceral Type: Funginite
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter: None
Important Features: The donut shaped feature in the center of the frame is funginite.
High Resolution Image (300 dpi)

Description: The donut shaped feature in the center of the field is funginite and is believed to be derived from fungal material. The uniform gray material is vitrinite and the very bright stringer is fusinite.