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ATLAS OF COAL MACERALS
Introduction | Vitrinite Group | Liptinite Group | Inertinite Group | Links | References | Contact Us

Liptinite Group

MACERAL GROUP
MACERAL
MACERAL EXAMPLE

LIPTINITE

Sporinite (S)

Derived from the waxy coating of fossil spores and pollen
Sporinite (S); reflected light, oil immersion.
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Sporinite (S); fluorescent light.
Copyright Indiana Geological Survey
Sporinite (S); reflected light, oil immersion.
Copyright Indiana Geological Survey

Cutinite (Cu)

Derived from the waxy outer coating of leaves, roots, and stems
Cutinite (Cu); reflected light, oil immersion.
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Resinite (R)

Derived from plant resins
Resinite (R); reflected light, oil immersion.
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Resinite (R); fluorescent light.
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Alginite (Ag)

Derived from algae
Alginite (Ag); reflected light, oil immersion.
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Alginite (Ag); fluorescent light.
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Liptodetrinite (Ld)

Occurs as discrete small liptinite fragments of varying shape
Liptodetrinite (Ld); fluorescent light.
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Suberinite (Sb)

Cork cell walls
Suberinite (Sb); reflected light, oil immersion.
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Chlorophyllinite

Chlorophyl-derived material occurring in peat and very low maturity lignite.

Not present above subbituminous coals.

Picture not available

  

Exsudatinite (E)

Secondary maceral filling cracks and cell lumens, originating after oil generation
Exsudatinite (E); fluorescent light.
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Fluorinite (Fl)

Semi-globular occurrences of fluorescing droplets (oil precursors?)
Flourinitie (Fl); fluorescent light.
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