. Soils, their properties and management. Soils. GEOLOGICAL CLASSIFICATION OF SOILS 39 exhibits this isolated physical action to the greatest extent, the particles being angular, coarse, and comparatively fresh; farther down the slope the material may merge by degrees into ordhiary soil. Such soils are usually shallow and stony, and approach the original rock in color unless large amounts of organic matter have ac- cumulated (Fig. 5).. Fig. 5. — Diagram showing the formation of a colluvial soil, (a), bed rock; (5), dismantled cliff; (cZ), coarse unproductive talus; (3?), soil capable of bearin
. Soils, their properties and management. Soils. GEOLOGICAL CLASSIFICATION OF SOILS 39 exhibits this isolated physical action to the greatest extent, the particles being angular, coarse, and comparatively fresh; farther down the slope the material may merge by degrees into ordhiary soil. Such soils are usually shallow and stony, and approach the original rock in color unless large amounts of organic matter have ac- cumulated (Fig. 5).. Fig. 5. — Diagram showing the formation of a colluvial soil, (a), bed rock; (5), dismantled cliff; (cZ), coarse unproductive talus; (3?), soil capable of bearing plants. 29. Alluvial soils. — In considering the importance of water as a weathering agent, it was found that it had both cutting and transporting powers. The alluvial. 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 Lyon, T. L. (Thomas Lyttleton), 1869-1938; Fippin, Elmer O. (Elmer Otterbein), 1879-1949; Buckman, Harry Oliver, 1883-. New York, Macmillan
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Keywords: ., bookauthorlyontlth, bookcentury1900, bookdecade1910, bookyear1915
