Theory of the Earth, Volume 2 (of 4) by James Hutton
page 24 of 341 (07%)
page 24 of 341 (07%)
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figures of crystals in the mass by which also the configuration of some
minute parts, affected by those crystals, is determined; but the figure of those alabasters, which is to be compared with the present subject, arises solely from the current of petrifying water along the surface of the mass. This mass, therefore, being formed by succession from that water, crystallising calcareous earth, and carrying colouring parts of other earth, gives an appearance of stratification to a figure which is absolutely inconsistent with stratification; an operation which is performed by depositing materials at the bottom of the sea, and which the marine bodies contained in some of the strata sufficiently attest.] «Je ne repugnerois donc pas à croire que le rocher de la cascade a pu être formé dans la situation dans laquelle il se presente; si ce vuide à sa droite, ses couches qui, bien que suivies, montrent pourtant quelques ruptures dans les flexions un peu fortes, et ses grands bancs de cette pierre grise compacte, qui n'est point si sujette à ces formes bizarres, n'éstablissoient pas une difference sensible entr'elles et celles que nous venons examiner.» It is impossible to be more impartial than M. de Saussure has proved himself to be on this occasion, or to reason more in the manner in which every philosopher ought to reason on all occasions. But to see the full value of this author's impartiality, notwithstanding of his system, let us follow him in the second volume of Voyages dans les Alpes. It is in chap. XX. entitled, Poudingues de Valorsine, that we find the following description, with his reasoning upon that appearance. «On voit la (page 99.) que la base de cette montagne est un vrai granit gris à grains médiocres, et dont la structure n'a rien de distinct; mais |
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