Collection Geologic Age: 100 rocks (60x90 mm)
100 rocks
arranged stratigraphically
hand specimen: 60x90 mm
in collectors' boxes
wooden case not included
Characteristic rocks from all types of geological formations reveal the evolutionary history of our planet. They document periods of increased volcanic or tectonic activity, extensive ocean areas or large land masses, climatic changes and how life evolved on earth.
The hand specimens are labeled with the exact name, age and locality. A film is placed over each label to prevent scratching. A numbering system allows easy identification of the rocks if they are misplaced. All rocks in this collection are supplied in system-bloc collection boxes, a detailed list of contents is included with every collection.
The photo serves as an example illustration, you will receive a collection of equivalent quality.
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