Second Report of a Geological Reconnoissance of the Middle and Southern Counties of Arkansas (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1860 Excerpt: ...It contains some clear grains of sand and fragments of decomposing chert. No. 241. "Same soil, Peter Mosers farm, from a field from fifteen to twenty years in cultivation, in corn, wheat, and oats. Independence County, Arkansas." The dried soil is lighter colored and more yellowish than the preceding. Some fragments of chert were sifted out. No. 242. "Subsoil from the same old field; Peter Moser s farm, $c" The dried soil is of a brownish-buff color. Digested in Water charged with Carbonic Acid Gas, 1000 Grains of each of these Soils gave the following results: No. 240. Organic and Volatile matters, ... 1.250 Alumina, and Oxides of Iron and Manganese, and Phosphates, .287 Carbonate of Lime, 1.813 Magnesia, .381 Sulphuric Acid, .037 Potash, 106 Soda, 016 Silica, .300 Loss, .243 Extract, dried at 212 F. (Grains), .. 4.433 The Chemical Composition of these Soils, dried at analysis, to be as follows: 4.211 1.870 400 F., was found, by Organic and Volatile matters, Alumina, Oxide of Iron, Carbonate of Lime, Magnesia, Brown Oxide of Manganese, Phosphoric Acid, Sulphuric Acid, Potash, .... Soda, .... Sand and Insoluble Silicates, Loss, .... Total, . Moisture, expelled at 400 F.; No. 240. Virgin Soil. 6.874 5.440 4.270, .495.493.180.239.045.405.111 81.720 No. 241. Old Field Soil. 4.294 3.755 4.235.320.497.130.210.033.256.116 86.020.134 100 272 3.625 100.000 2.100 No. 242. Subsoil. 3.343 4.790 4.485.245.561.130.193.042.372.105 85.080.654 100.000 2.050 These soils contain more than the average proportions of Potash, Phosphoric Acid and Carbonate of Lime, and are doubtless quite fertile. The soil of the old field shows, in the diminished quantities of these materials, as well in the increased amount of sand, &c., that it has been somewhat deteriorated by th...