Page 149 - Geology and Geochemistry of Oil and Gas

TABLE 7.1
Microcomponents of coals (after Ammosov et al., 1987) ORGANIC

Brown coals Hard coals
Group Microcomponents Paleotemperature Group Microcomponents Paleotemperature MATTER
determination determination
technique technique
Alginite Teloalginite F 1 Alginite Teloalginite F 1
Colloalginite ? Colloalginite ? INSOLUBLE
Algo-humite Saprohumite N/a 2 Algovitrinite Saprovitrinite n/a 2
Helinite, textinite, R 3 Collinite R 3
caprohuminite, IN
ulminite
Huminite Textinite, ulminite R 3 Vitrinite Tellinite R 3 ORGANIC
Attrinite, densinite ? Vitrodetrinite R 3
Interohuminite Oxyhuminite n/a 4 Interovitrinite Semivitrinite n/a 4
Macrinite, micrinite n/a 5 Macrinite, micrinite n/a 5
Intertinite Semifusinite, n/a 5 Fusinite (intertinite) Semifusinite, fusinite, n/a 5
fusinite,sclerotinite, sclerotinite, SOLVENTS:
interdetrinite inertodetrinite
Liptinite Spirinite, kuptinite, F 1 Liptinite Sporinite, cutinite F 1
resinite
Liptodetrinite, ? Retinite, liptodetrinite ?
subdetrinite, KEROGEN
chlorfullinite
Note: 1 – stages of thermal transformation are determined from fluorescence (F) or from color and optical density in transmitted light; 2 – not suitable for paleo-
temperature determination; 3 – stages of thermal transformation are determined from vitrinite reflectance (R); 4 – reflectance is too high; not suitable for paleo-
temperature determination; 5 – react weakly to changes in temperature and pressure; not suitable for paleotemperature determination. 119