North Africa GeoNet: Knowledgebase,
Contacts, Cooperation
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Elongated (multiple) tubes found in northeastern Jebel
Asba, SE Libya. Some of theses
structures contain ornaments suggesting that they represent
silicified wood rather than
volcanic features(if you know more about these structures,
please contact S. Luning
who also photographed them).
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This website is managed by
Dr. Sebastian Luning (Univ. Bremen)
Comments and suggestions
are welcome