Coal Ball Peel of Megaspores Microscope Slide

Description

Coal Ball Peel of Megaspores for Microscopic Viewing
Coal ball peel of
megaspores
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 3.0 x 3.0 inches. Specimen size measures 0.8 inches in maximum length and 0.6 inches in maximum width.