TS17
Frame ID: TS17
The large irregular material in the lower center of the field is fusinite/semifusinite. Note the extreme deformation of the other macerals around the fusinite/semifusinite that indicates that the inertinite was rigid when it was incorporated into the peat that formed the coal. . (transmitted light, Harlan Seam, eastern Kentucky, width of field, left to right: ~350 µm)
