Record details

Title
    Petrographic examination of weathering of coal matter
Statement of responsibility
    Ivana Sýkorová, Ivo Čermák, Josef Pašek
Author
    Čermák, Ivo
    Pašek, Josef
    Sýkorová, Ivana, 1969-
Language
    anglicky
Source title - monograph
    Weathering of Fossil Organic Matter
Pages
    s. 61-72
Notes
    6 tab., 3 pl., 2 s.bibl.
Subject group
    Barrandien
    břidlice černá
    jílovec
    karbon-svrchní
    macerály
    plzeňská pánev
    pražská pánev
    silur
    sokolovská pánev
    terciér
    uhelná sloj
    uhlí
    zvětrávání
Geographical name
    ČR-Čechy
    Kosov (Beroun)
    Litohlavy (Rokycany)
    Merklín (Plzeň-jih)
    Plzeň
    Sokolov
    Všeradice (Beroun)
Keyword
    Coal
    Examination
    Matter
    Petrographic
    Weathering
Abstract (in english)
   Changes in the organic matter of black shales, subituminous coals, brown coals and Cypris Formation claystone induced by weathering have been evaluated by micropetrographic methods. It has been found that all weathered brown and sub-bituminous coal samples exhibit changes in their optical properties and their morphology. All macerals show an increase in reflectance, although their responses differ. Cracks in vitrinite and huminite have been identified. No marked differences in the nature of the organic matter of the Cypris claystones and black shales were detected between rocks weathered to a low and high degree
Contributor
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
    U
Entered date
    28. 3. 2008
Import date
    8. 8. 2012