Sample ID: Hartshorne seam, high volatile A bituminous coal, Arkoma Basin, Oklahoma
Maceral Group: Liptinite
Maceral Type: Cutinite
Magnification: As given
Objective: 50x oil
Important Features: Typical occurrence of crassicutinite.
High Resolution Image (300 dpi)
Description: The large dark feature is crassicutinite, a maceral derived from thick-walled. Note that one side is flat while the other side is crenulated. Although the nature of the crenulations varies, the difference in the two surfaces is typical.