Coal Ball Peel of Stigmaria ficoides Microscope Slide

Description

Coal Ball Peel of
Stigmaria ficoides
for Microscopic Viewing
Coal ball peel of
Stigmaria ficoides
mounted between acetate sheets. May be viewed under a dissecting or stereo microscope as well a compound microscope under transmitted or polarized light observation.
For an introduction to coal balls of the Pennsylvanian age please consult the publication "Fossil Peat of the Illinois Basin: A Guide to the Study of Coal Balls of Pennsylvanian Age" by Tom L. Phillips, Matthew J Avcin and Dwain Berggren. Illinois State Geological Survey Educational Series 11, 39 pages, 3 plates, 17 figures, 1976. The publication is available as a pdf download from the web.
Overall size of acetate mount is 5.0 x 4.0 inches. Specimen size measures 2.0 inches in maximum length and 1.4 inches in maximum width.