Fly Ash FA40 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

FA40

fa40

Frame ID: FA40

Sample ID:   92421 (slide 369-20)

Magnification: 330 microns on long axis

Illuminator: Vertical

Objective: 32x oil

Polarizer: In

Analyzer: Out

Retarder Plate: Out

Filter:

Important Features: Mixed field

Inertinite with minor coke from power plant burning a high volatile A to low volatile bituminous Northern Appalachian coal blend.