A 4 cm "Karlsbad twin" of sanidite in trachyte matrix from Ölberg, Siebengebirge, Rhineland - not far from the sanidite type locality Drachenfels. (Author: Andreas Gerstenberg)
Dimensiones: | 600 x 451 |
Tamaño fichero: | 32.02 kbytes |
Captura: | |
Modelo cámara: | |
Velocidad obturador: | |
Focal length: | |
Apertura: | |
Flash: | |
ISO: |