(1728 – 1805)

Mineralogische Geographie der Chursächsischen Lande.

4° (236×206 mm). [I-IV], [VII]-XLIV (incl. frontispiece), XVI, 432, [2] pp. Lacking the first leaf of dedication to Freidrich August. With a frontispiece, title vignette, 6 plates and one handcoloured folding map, all engraved. Contemporary boards. Edges and corners somewhat scuffed. Foxed throughout and with occasional dampstaining, title page strentgthened at fold and slightly creased, frontispiece mounted. Leipzig, Siegfried Lebrecht Crusius, 1778.
First edition. „A classic text in the early geological literature of Germany. The Mineralogische Geographie gives an excellent description of the veins and other mineral occurrences of Saxony and some of the adjacent areas, and in the last few pages of the book the question of the probable origin of the ores is discussed. It is an admirable presentation of the facts gathered during the author‘s long years of mining experience. He considers in succession those facts which have a definite bearing on the question of the genesis of the ore deposits, and, based on them, he offers an explanation of their origin, which, he says, cannot be considered as more than a conjecture but which he believes represents the closest approximation to the truth attainable at that time“ (Schuh, Bibliography of Mineralogy). The map of Saxony is the earliest coloured geological map of Germany; eight tints distinguish differnt types of rock (granite, gneiss, schist, limestone, gypsum, sandstone, river sand, clay and loam) and symbols signal the location of basalt, serpentine, etc. The plates show mining scenes and views of the topaz rocks, the so-called Schneckenstein in the Vogtland. [369019].