funginite

n
an inertinite maceral occurring as round or ovoid bodies, frequently containing voids, reflecting an origin from fungal sclerotia; also occurs (especially in lower rank coals) as interlaced, stringy materials derived from fungal hyphae.

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

Look at other dictionaries:

  • Inertinite — is oxidized organic material or fossilized charcoal. It is found as tiny flakes within sedimentary rocks. The presence of inertinite is significant in the geological record, as it signifies that wildfires occurred at the time that the host… …   Wikipedia

  • maceral — n an organic substance in coal that is distinguished and classified on the basis of its optical microscopic properties. DISCUSSION Macerals originate from plant tissues, secretions, and exudates that have been altered by geological processes and… …   Coke&Coal Terminology

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