LOCATION Dakhla, Southern Morocco
FORMATION Dakhla Cretaceous Outcrops
SIZE 35.0 mm • 1.38 in (The Biggest)
Chaledonized gastropods (specimen at fat left is 3.0 cm tall) - these snail shells have been replaced by translucent, fibrous, microcrystalline quartz (SiO2). This variety of quarz is called chalcedony. Chalcedonization is a variety of silicification. Chalcedonized fossils are uncommon.
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- Hermosa colección de 22 gasterópodos fósiles calcedonizados
- Periodo geológico
- Cretaceous, (100 million years)
- En buen estado