XIII. On the Age and Origin of the Metallic Veins of the Upper Harz*
H. M. Cadell
Geological Survey of Scotland.
Communicated by the Rev. W. W. Peyton. *An extended description of the geology of the Harz Mountains, with illustrations, map and sections, and with a list of the most important Gezman papers on the subject, is given by the author in the Proc. Roy. Phys. Soc. Edin., Vol. VIII., 1883–4, pp. 207–266.