...term solfatara is no longer applicable. We have in the elements evolved during the first two periods all the conditions required for filling the Comstock...of fluosilicic acid created in its upper parts (by the diminution of pressure and temperature, according to well-known chemical agencies) silica and silicofluohydric...

...term solfatara is no longer applicable. We have in the elements evolved during the first two periods, all the conditions required for filling the Comstock...substances as those of which the vein is composed "f. WP Blake describes the lodes at Bodie Bluff, nine miles west of the town of Aurora, as being of...

..." soltatara" is no longer applicable. We have in the elements evolved during the first two periods all the conditions required for filling the Comstock...the vein is composed. Steam ascending with vapors of fluosilic acid created in its upper parts (by the diminution of pressure and temperature, according...

...take it for granted that it caused the rending of the fissure. Applicability of the ascension.theory. We have in the elements evolved during the first two...silicofluohydric acid, the former in solid form, the latter as a volatile gas, which acts most powerfully in decomposing the rocks it meets on its course. The...

...June, 1902, was 369*5 million dollars. f Becker : Monograph, lot. cit., p. 12. t Thus he wrote : ' We have in the elements evolved during the first two...solfataras, namely, fluorine, chlorine and sulphur, ail the conditions required for filling the Comstock fissure. Fluorine and chlorine are the most powerful...

...meteoric origin, tentatively sug1 Becker, loc. cit., p. 12. * Thus he wrote (loc. cit., p. 10,) : " We have in the elements evolved during the first two...conditions required for filling the Comstock fissure. . . ." Fluorine and chlorine are the most powerful volatilizers known, and form volatile combinations...