Coal, Galena, Sphalerite
Fortschritt shaft I, Volkstedt, Eisleben, Mansfeld-Südharz, Saxony-Anhalt, Germany
This photo shows carbonized micro-splinter of fossil wood (crème-grey), in association with galena (bright) and sphalerite (light-grey) in the “Mansfelder Kupferschiefer” copper shale matrix, consisting mainly of clay, calcite and quartz. Vertically reflected light digital image in air, with crossed polarizers, width 0.2 mm.
In the period ...
© Günter Grundmann, Detmold.