. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 456.—Section of Anthracite: a, natural size; b and c, magnified (after Bailey). Fig. 45? -Vegetable Structure in Coal (after Dawson). dation may be traced from wood or peat, on the one hand, through brown coal, lignite, bituminous coal, to the most structureless anthracite and graphite, on the other, showing that these are all different terms of the same series. In chemical composition, too, the same unbroken series may be traced. 5. Lastly, the best and most structureless peat, by hydraulic pressure, ma
. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 456.—Section of Anthracite: a, natural size; b and c, magnified (after Bailey). Fig. 45? -Vegetable Structure in Coal (after Dawson). dation may be traced from wood or peat, on the one hand, through brown coal, lignite, bituminous coal, to the most structureless anthracite and graphite, on the other, showing that these are all different terms of the same series. In chemical composition, too, the same unbroken series may be traced. 5. Lastly, the best and most structureless peat, by hydraulic pressure, may be made into a substance having many of the qualities and uses of coal. We may, with perhaps less confidence, go further, and say that all. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
