Erroneous maturity assessment given by Tmax and HI Rock-Eval parameters on highly mature weathered coals

International Journal of Coal Geology

Volumn 49, Issue 1, 2002, Pages 57-65

  Copard, Y ^a   Disnar, J R ^a   Becq Giraudon, J F ^b  

^a UNIVERSITÉ D'ORLÉANS   (France)

^b BRGM   (France)

Author keywords

Maceral analysis; Mature coal; Maturity; Rock eval; Vitrinite reflectance; Weathering

Indexed keywords

MACERAL ANALYSIS;

FLUIDS; HYDROGEN; OXYGEN; PETROGRAPHY; PYROLYSIS; SOILS; WEATHERING;

COAL;

CARBONIFEROUS; COAL RANK; COAL SEAM; MACERAL; PETROGRAPHY; VITRINITE REFLECTANCE; WEATHERING;

FRANCE;

EID: 0036474764     PISSN: 01665162     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0166-5162(01)00065-9     Document Type: Article

References (12)

1. Matière organique: Validité des données d'affleurement montrée sur un exemple crétacé moyen dans le bassin vocontien (SE de la France); corrélations entre les données de surface et de forage
2. Evidence and effects of fluid circulation on organic matter in intramontane coalfields (Massif Central, France)
3. Méthode rapide de caractérisation des roches mères, de leur potentiel pétrolier et de leur degré d'évolution
4. Chemical transformations of type-III organic matter associated with the Akouta uranium deposit (Niger): Geological implications
5. Natural weathering of coal
6. Rock-Eval 6 applications in hydrocarbon exploration, production, and soil contamination studies
7. Importance of the oxidation/maturation pair in the evolution of humic coals
8. Detection of natural weathering of upper McAlester and Woodford shale, Oklahoma, USA
9. The detection of weathering in coal by petrographic, rheologic and chemical methods
10. Fluorescence microscopial rank studies on liptinites and vitrinites in peak and coals, and comparison with results of the Rock-Eval pyrolysis