Pyrite/marcasite size, form, and microlithotype association in western Kentucky prepared coals

Kathleen Adams Frankie, James C. Hower

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Pyrite/marcasite size category, form, and microlithotype association were examined in the feed, clean, and refuse coals from 14 western Kentucky preparation plants. The feed coals are high in sulfur and a relatively large amount of pyritic sulfur remains in the clean products. Pyrite in the clean coals was generally less than 10 micrometers in diameter. Pyrite forms concentrated in the clean coals were frequently framboidal and euhedral types associated with vitrite and clarite. The refuse concentrated the coarser massive and cleat forms associated with carbominerite.

Original languageEnglish
Pages (from-to)269-283
Number of pages15
JournalFuel Processing Technology
Issue number3
StatePublished - Jun 1985

Bibliographical note

Funding Information:
Garry D. Wild (IMMR) developed computer programs for the manipulation of the data. Funding was provided by the U.S. Department of Energy under contract DE FG22-80 PC30223 and the Kentucky Energy Cabinet.

ASJC Scopus subject areas

  • Chemical Engineering (all)
  • Fuel Technology
  • Energy Engineering and Power Technology


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