99.9 MB (7.6 MB compressed)
7235 x 4828 pixels
61.2 x 40.9 cm ⏐ 24.1 x 16.1 in (300dpi)
DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY
Stumps of fossil palm trees, near Neapoli, Greece. It forms when plant material is buried by sediment and protected from decay by oxygen and organisms. Then, groundwater rich in dissolved solids flows through the sediment replacing the original plant material with silica, calcite, pyrite or another inorganic material such as opal.
Model release not required. Property release not required.