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Contents
Scope of investigation
Previous work
Acknowledgments
Maceral classification
Vitrain
Clarain
Durain
Fusain
Boghead and cannel coal
Phyteral classification
Anthraxylon
Attritus
Fusain
Preparation Techniques for Microscopic Study
Thin section technique
Microscopic Analysis by the Ribbon Transect Method
Critical limits
Subsize thresholds
Color, thickness, and opacity
Lithology and Chemical Composition of the Mineral, Croweburg, and Bevier Coals
Lithology
Chemical composition and rank
Lithology
Chemical composition and rank
Lithology
Chemical composition and rank
Regional variation in chemical properties
Petrography of the Mineral, Croweburg, and Bevier Coals
Mineral coal
Bevier coal
Croweburg coal
Comparison of the coals
Kinds of mineral matter
Method of study
Mineral assemblage and distribution
Detrital minerals
Calcite
Pyrite
Sphalerite
Coal Petrography as Related to Coal Utilization
Specific gravity
Resistivity
Friability
Proximate and ultimate analysis
Carbonization
Chemical reactivity
Hydrogenation
Significance of mineral matter
Plate 1--Profiles of Southeastern Kansas Coal Beds
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Kansas Geological Survey, Geology
Placed on web November 2005; originally published May 1953.
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