Viewing page 151 of 191

This transcription has been completed. Contact us with corrections.

6

and [[strikethrough]] numerous [[/strikethrough]] a deposit of finely broken white pumice stone, bearing crystals of iron pyrites [[strikethrough]] was interposed [[/strikethrough]] is one of these beds. [[strikethrough]] Lying upon these layers of volcanic deposit are from 10 to 20 ft. of detrital sandy soil brought down by the elements from higher levels. [[/strikethrough]] This layer of white pumice is almost wholly free from foreign matter & varies from 2 to 7 ft. in thickness near Chalchie.

[[strikethrough]] As we went toward the mt. som [[/strikethrough]] Lying above this pumice but at what distance I failed to determine is a layer of fine