Coal Macerals MA05 | Petrographic Atlas | SIU

Southern Illinois University



Crelling's Petrographic Atlas of Coals and Carbons

College of Science


Frame ID: MA05
Sample ID: Elkhorn #3 seam Appalachian high volatile A bituminous coal, eastern Kentucky
Maceral Group: Vitrinite
Maceral Type: Telovitrinite and detrovitrinite
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: Out
Retarder Plate: Out
Filter: None
Important Features: Telovitrinite particle (upper right) with adjacent particles of detrovitrinite.
High Resolution Image (300 dpi)

Description: Vitrinite macerals:  Large particle of telovitrinite showing remnant plant cell structure (upper right) with adjacent particles of detrovitrinite. The detrovitrinite shows no cell structure and acts as a matrix for dark particles of liptinite and bright particles of inertinite macerals.