FAUJAS DE SAINT-FOND, B.
Recherches sur les Volcans éteints du Vivarais et du Velay; avec un discours sur les volcans brûlans, des mémoires analytiques sur les Schorls, la Zéolite, le Basalte, la Pouzzolane, les Laves & les différentes substances qui s'y trouvent engagées, &c.
Grenoble, J. Cuchet, 1778. Folio (460 x 300 mm). pp. (4), xviii, (2), 460, with 1 engraved title-vignette, 2 engraved vignettes, 2 engraved initials and 20 (1 double-page) engraved plates. Contemporary half calf, spine in 7 compartments with gilt lines and red gilt lettered label, marbled sides (a bit rubbed).
A fine, very large, large uncut copy. The folio edition of probably the most attractive work published on volcanology. "Meanwhile, Faujas had been exploring the hilly districts of Vivarais and Velay in the east-central France and found that the basalt there was also volcanic ... he embodied them in 1778 in a great folio work on the ancient volcanoes of Vivarais and Velay (accounts of other researches were included). The work established once and for all that basalt, a rock important scientifically because of its distinctive characteristics, its widespread occurence, and the manner of its association with other kinds of rocks, was the product of volcanic action" (D.S.B. IV, p. 548). A quarto edition published at the same time is more common. Ward & Carozzi 779.
Item nr. 7825
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