Penrose.] PHOSPHATES OF KUSSIA. 
Analyses of the amorphous nodular phosphates of Russia. 
115 
[Analyses given Dr. C. TJ. Shepard, jr., by T. Lahusen, of the Imperial School of Mines, St. Peters- 
burg J 
[With the exception mentioned under the head of notes all the samples analyzed were nodular.] 
Locality. 
Govern- 
ment. 
Chemist. 
Bone 
phosphate of 
lime. 
Sand. 
Notes. 
Belskaga in 
Koslavl. 
Do 
Seschti in Kos- 
lavl. 
Briansk 
Do 
Smolensk . 
....do 
....do 
Orel 
....do 
Engelhardt . . . 
Kostytscheflf. . 
Schmidt 
Engelhardt ... 
Latschinoff . . . 
Malyschaff ... 
Morkjraff 
Latschinoff . . . 
Malyschaff . . . 
Latschinoff . . . 
Malyschaff . . . 
....do 
Yermoloff 
....do 
....do 
31.15 
60.42 to 63.39 
36.18 
C 35. 25 
\ 39. 26 
33.37 
45.36 
31.92 
62.65 
59.01 
C 28. 92 
I to 30. 89 
36.87 
29. 92 to 40. 47 
36. 18 to 41. 24 
15. 98 to 60. 76 
60.00 
40.32 
58.64 
27.57 
43. 69 to 50. 13 
5.51 to 7.61 
44.57 
39.77 
37.43 
48.25 
28.79 
47.47 
9.15 
11.97 
57.10 
to 53. 70 
44.92 
43. 29 to 50. 45 
45. 26 to 35. 50 
13. 03 to 54. 16 
9.50 
41.28 
12.25 
59.70 
Siliceous. 
Argillaceous. 
Siliceous. 
Green and soft. 
Brown and hard. 
Prepared phosphate 
meal. 
....do 
Linbachina in 
Briansk. 
Do 
....do 
....do 
Gray. 
Black. 
Kotovetz in 
Schtyrovosk. 
Kursk 
Turoff 
Kursk 
....do 
Woronesch 
....do 
Tambov .. 
....do 
....do 
Cemented in siliceous 
chalk. 
TJpper side of flat cakes. 
Lower side. 
Jendovischti... 
Bondary 
Bytschkoff 
Do 
...do 
do 
Do 
do 
....do 
Argillaceous. 
Do. 
Do 
...do 
...do 
[Analysis by Dr. C. TJ. Shepard, jr., of phosphate rock ground at the mill at Ukolowa, Central Russia. 1 ! 
Quartz 
Organic matter 
Sulphate of lime 
Bone phosphate of lime ... 
Carbonate of lime 
Fluoride of lime 
Phosphate of magnesia.... 
Alumina and oxide of iron 
| By Dr. C. TJ. Shepard, jr., Jablovsky phosphate rock. 2 ] 
Phosphoric acid 
Equivalent bone phosphate of lime. 
Sand and insoluble siliceous matter. 
34.05 
0.90 
1.60 
42. 05 
12.23 
6.98 
1.30 
1.16 
100.27 
13.35 
29.14 
54.40 
1 Grouud phosphate rock partially freed from saud. 
2 A superphosphate made from 12 parts (by weight) of this phosphate and 9 parts 
of sulphuric acid (specific gravity l.,50) gave a product which was wet, sticky, and 
acid. 
(589) 
