Quality of Selected Hungarian Coals

Scientific Investigations Report 2006-5289
Prepared in cooperation with the Mineral Management Division, Hungarian Geological Survey and the United States?Hungarian Science and Technology Joint Fund
By: , and 



As part of a program conducted jointly by the U.S. Geological Survey and the Hungarian Geological Survey under the auspices of the United States-Hungarian Science and Technology Fund, a total of 39 samples from five coal mines in Hungary were selected for analysis. The mine areas sampled represent most of the coal mined recently in Hungary. Almost all the coal is used to generate electricity. Coals from the five mines (four underground, one surface) reflect differences in age, depositional setting, organic and inorganic components of the original sediments, and deformational history. Classified according to the ranking system of the American Society for Testing and Materials, the coals range in rank from lignite B (Pliocene[?] coals) to high volatile A bituminous (Jurassic coals). With respect to grade classification, based on seam-weighted averages of moisture, ash, and sulfur contents: (1) all contain high moisture (more than 10 percent), (2) all except the Eocene coals are high (more than 15 percent) in ash yield, and (3) two (Jurassic and Eocene coals) are high in sulfur (more than 3 percent) and three (Cretaceous, Miocene, and Pliocene coals) have medium sulfur contents (1 to 3 percent). Average heat values range from 4,000 to 8,650 British thermal units per pound.

Study Area

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Quality of Selected Hungarian Coals
Series title Scientific Investigations Report
Series number 2006-5289
DOI 10.3133/sir20065289
Edition Version 1.0
Year Published 2007
Language ENGLISH
Publisher Geological Survey (U.S.)
Contributing office(s) U.S. Geological Survey
Description v, 107 p.
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