REVIEW OF PALAEOBOTANY AND PALYNOLOGY ELSEVIER Review of Palaeobotany and Palynology 95 (1997) 31-50 Coal-ball floras of Maritime Canada and palynology of the Foord seam: geologic, paleobotanical and paleoecological implications Paul C. Lyons a,,, Erwin L. Zodrow b, Michael A. Millay c, Graham Dolby d, Kevin S. Gillis e, Aureal T. …
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Read Onthe coal be'low. In exploring such an exposed surface we might, with a little luck, chance upon characteristic rounded knobs pro jecting a few inches above the level of the seam as a whole. Upon dig-gin(g down into the coal a few inches we find these knobs to be brownish ball-shaped masses of petrified plants. These petrifactions are called coal
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Read OnA review of coal-ball floras from Central and Western Europe is presented with special attention to recent studies of coal balls from England and Spain. Emphasis is placed on the stratigraphic and geographic distribution of taxa, and on a comparison of twelve floras including those of the Late Carboniferous "Great Coal Ball Horizon", as ...
Read OnCoal-ball floras of Maritime Canada and palynology of the Foord seam: geologic, paleobotanical and paleoecological implications Author links open overlay panel Paul C. Lyons a Erwin L. Zodrow b Michael A. Millay c Graham Dolby d Kevin S. Gillis e Aureal T. Cross f
Read OnCoal balls are predominantly calcium carbonate which has precipitated in the cell lumina and spaces between the plants within a peat formed in a mire (Scott and Rex, 1985). Formation Peat accumulates in wetland environments (mires such as swamps and bogs) where the accumulation of organic matter is faster than its decay.
Read OnCoal balls are permineralized peat, mainly found in Upper of Europe and North America but also in some Chinese Permian coals. ... Occurrence and significance of marine animal remains in American Coal Balls. US Geological Survey Professional Paper, 354, pp. 193–224. Google Scholar. Moore, P.D., 1987. Ecological and hydrological aspects of peat ...
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Read OnInterest in American coal-ball floras has increased perceptibly in the past few years, and some attempts have been made in this brief review to point out current lines of research and what may be expected during the next decade or two. Two other topics might have been considered, namely, a detailed comparison with the European fossils, and a stratigraphic compilation of the …
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Read OnThe Phillips Coal Ball Collection is the largest and most significant collection of coal balls in the world. It contains almost 50,000 intact specimens and a quarter of a million "peels"—extremely thin layers (less than a cell thick) peeled from a …
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Read OnDefinition and formation: Coal balls are calcareous masses of fossil peat found in coal beds. They are formed in the original peat before it undergoes coalification (DeMaris and others, 1983; Scott and others, 1996). Individual coal balls can be inches to many feet in diameter, and coal-ball clusters may occupy a small part (concentrated along the top or bottom) or the entire …
Read OnA review of coal-ball floras from Central and Western Europe is presented with special attention to recent studies of coal balls from England and Spain. ... Hapton Valley and Hill Top (Fig. 3). From 1975, after being informed of the Lancashire County Council pro- jects of landscaping the Burnley area, Holmes started a series of "salvage ...
Read Oncoal ball, a lump of petrified plant matter, frequently spheroid, found in coal seams of the Upper Carboniferous Period (from 325,000,000 to 280,000,000 years ago). Coal balls are important sources of fossil information relating to the forests preceding the Coal Age. As a result of a variety of conditions, small pockets of plant debris in Carboniferous swamps, infiltrated by mineral …
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Read OnThe department of paleobotany, micropaleontology and mineralogy oversees the: 1) Collection of Micropaleontology and Paleobotany, containing over 45,000 macrofossils most identifiable to genus or species and over 50,000 palynological slides and residues; 2) Coal Ball Collection, containing over 18,500 coal ball peels (free and mounted on ...
Read OnCoal balls also occur beneath marine shales in the Herrin and Springfield coals as well as other coals of the basin (e.g., Phillips et al., 1976), and have long been recognized beneath ...
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Read OnThe concentrated coal-ball areas were created by the triggered degassing of CO2 from partially decomposed peat in the presence of cations …
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Read OnCoal Balls. Because coal balls are accumulations of (degrading) plant material (technically peat), they also are an excellent source of various forms of decaying organisms, including fungi. Numerous fungal remains have been found in coal balls, including hyphae, spores, and various types of reproductive structures.
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