Subject ASC000131q
The Quarterly journal of the Geological Society of London.
v.50 (1894), Page 256 (1894)
Smithsonian Libraries
BHL Page 39089026
Keywords
Waterfall rock formations aplite-veins photograph gneiss aplite veins Angrogna Valley Piedmont Italy geology sketch landscape pietre verdi Angcogna Valley Waldensian gneiss cottian sequence valley structure stratigraphy angrogna valley aplite vein Angrogna