Middle Jurassic Zoophycos and Chondrites from the Mélah Formation of Saharan Atlas, Algeria

Autor:	U Toom, Mohamed Bendella, M. Bensalah, L-J Zhang, M Adaci, F Mekki, Olev Vinn, Madani Benyoucef, E Bouchemla
Jazyk:	angličtina
Rok vydání:	2019
Předmět:	zoophycos Atlas (topology) lcsh:QE1-996.5 Geochemistry aalenian bajocian chondrites lcsh:Geology Chondrite deep offshore north africa General Earth and Planetary Sciences Zoophycos Geology Water Science and Technology trace fossils
Zdroj:	Estonian Journal of Earth Sciences, Vol 68, Iss 4, Pp 190-198 (2019)
ISSN:	1736-7557 1736-4728
Popis:	The ichnogenera Zoophycos and Chondrites are described for the first time from the Middle Jurassic of Algeria. The trace fossil assemblage recovered from the Mélah Formation contains seven ichnospecies (Chondrites targionii, C. ?intricatus, Zoophycos brianteus, Z. cauda-galli, Zoophycos isp. A, Zoophycos isp. B and Zoophycos isp. C), which all represent the Zoophycos ichnofacies. Chondrites and Zoophycos in the Mélah Formation were made by unknown worm-like invertebrates in a deeper offshore or a shallow bathyal environment (below storm weather wave base) and may indicate oxygen depletion within the sediment.
Databáze:	OpenAIRE
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