And the “ Great Carolina Marl Bed.” 51 
ANALYSIS OF PHOSPHATE-ROCKS. 
From Marysville Works, Ashley River, Charleston Min- 
ing and Manufacturing Companies Mines, cargo ex 
“ Bailey, by G. A. Liebig.” 
BALTIMORE, September 24th, 1870. 
Moisture determined at 100° C., : 6.225 
Phosphoric Acid, f : ; ‘ 21) (28:874) 
Which is equal to 63.034 Bone Phosphate of Lime. 
Rendered perfectly kiln dry, it will contain of Calc. 
Bone Phosphate of Lime 67.219. 
From Sardy’s Mines, Fraser’s Plantation Ashepoo ; by 
Professor Shepard, Jr. Analysis No. 6 combining 
the Acids with Lime— 
Bone Phosphate of Lime, . 3 : : 65.14 
Carbonate of Lime. . : ‘ ‘ : 12.50 
Sulphate.of Lime, . —: : : 5.59 
Rocks from the Oak Point Mines, analyzed by Professor 
Shepard, yielled— 
Bone Phosphate of Lime, . : : 58.66 
Carbonate of Lime, . ; ‘ : 6.90 
Analyses of GUANOS, Pacific and Peruvian. 
Nore.—These analyses show that the Peruvian 
Guano contains 23.48-100 per cent. and the Pacific 
contains §3 per cent. of Phosphate of Lime. 
