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Libro

Vogelsang, H.

Philosophie der Geologie und Mikroskopische Gesteinsstudien.

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Schierenberg Bookshop Antiquariaat (Amsterdam, Países Bajos)

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Detalles

Autor
Vogelsang, H.

Descripción

Bonn, M. Cohen, 1867. 8vo (22.9 x 15.0 cm). 229 pp.; ten fine, handcoloured lithographed plates with explanatory text leaves. Orig. wrappers. "Vogelsang, in his 'Philosophie der Geologie'. added much to the knowledge of the porphyritic series by his careful microscopic investigation of the larger mineral constituents and the ground-mass characteristic of different varieties. Vogelsang's observations on the process of the consolidation of rock-magma, on the microscopical structure of slags, on 'fluidal' structure, on microlites, and on conditions of devitrification, are clear and accurate. The illustrations are throughout of high excellence." (Zittel). Especially the second part, Die historische Entwicklung der Geologie is of interest. Wrappers much worn, partly taped, otherwise a good copy. The plates are quite nice. Zittel, pp. 329-330.