Note 438 — GEOLOGICAL ILLUSTRATIONS, (continued 4)
Reading edition
According to Laugier, in 100 parts of the earth in which the bones in the caves of Gaylenreuth are imbedded, he found the following proportional quantity of constituent parts:
1. Lime, with a little magnesia, in the state of carbonate, 32.0
2. Carbonic acid and moisture, 24.0
3. Phosphate of lime, 21.5
4. Animal matter and water, 10.0
5. Alumina slightly coloured with manganese, 4.0
6. Silica coloured with iron, 4.0
7. Oxide of iron, probably combined with phosphoric acid, 3.5
8. Loss, 1.0
——
100.0