. A report on the phosphate fields of South Carolina. eet in thickness, with an average thickness ofapproximately 1 foot. The nodules average from 30 to 50 per cent of the phosphatestratum, and the beds will yield from 300 to 1,500 tons of phosphateper acre, with an average of about 850 tons. The beds, as a rule, donot follow the coutour of the land surface, but lie nearly overburden, therefore, varies considerably from place to place. Although only the upper stratum is mined, phosphate nodules arefound at more than one horizon. The following table of Prof. i Geology of South Ca
. A report on the phosphate fields of South Carolina. eet in thickness, with an average thickness ofapproximately 1 foot. The nodules average from 30 to 50 per cent of the phosphatestratum, and the beds will yield from 300 to 1,500 tons of phosphateper acre, with an average of about 850 tons. The beds, as a rule, donot follow the coutour of the land surface, but lie nearly overburden, therefore, varies considerably from place to place. Although only the upper stratum is mined, phosphate nodules arefound at more than one horizon. The following table of Prof. i Geology of South Carolina, pp. 164, 165 (1848). 2 Phosphate Rocks of South Carolina, pp. 27-31 (1S70). 3 South Carolina Phosphates, pp. 22-24 (1880). 4 A Sketch of the South Carolina Phosphate Industry (1904). 5 Industrie des Phosphates et Superphosphates, pp. S3-S4. 6 Eng. Assoc, of the South Trans. 15, pp. 58-60 (1904). 7 Native Bone Phosphates of South Carolina, pp. 24-28 (1868).s Amer. Jour. Sci., ser. 3, p. 296 (1894). Bui. 18, U, S. Dept of Agriculture^ Plate Fig. 1.—Hand Mining. Removing Overburden from South Carolina Phosphate.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectphospha, bookyear1913
