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Trace fossils from the Paleocene-Middle Eocene Monte Sporno flysch complex, northern Apennines, Italy

Calner, Hanna (1996) In Dissertations in Geology at Lund University
Department of Geology
Abstract
The trace fossil assemblages exposed at the Armorano road section in the Monte Sporno unit, Northern Apennines, Italy, occur in a turbidite sequence composed of fine-grained limestones (mudstones) and argillaceous limestones (wackestones) together with coarser grained calcareous sandstones and claystones, both turbiditic and hemipelagic. Fodinichnial vertical burrows of post-depositional origin and pascichnial horizontal trails of pre-depositional origin alternates depending on lithology. The fine-grained beds of the section exhibit the greatest variety of ichnotaxa. Post-depositional burrows, such as Chondrites sp. and Zoophycos sp, occur herein frequently and the sediment is in some parts almost totaly bioturbated. In the coarser grained... (More)
The trace fossil assemblages exposed at the Armorano road section in the Monte Sporno unit, Northern Apennines, Italy, occur in a turbidite sequence composed of fine-grained limestones (mudstones) and argillaceous limestones (wackestones) together with coarser grained calcareous sandstones and claystones, both turbiditic and hemipelagic. Fodinichnial vertical burrows of post-depositional origin and pascichnial horizontal trails of pre-depositional origin alternates depending on lithology. The fine-grained beds of the section exhibit the greatest variety of ichnotaxa. Post-depositional burrows, such as Chondrites sp. and Zoophycos sp, occur herein frequently and the sediment is in some parts almost totaly bioturbated. In the coarser grained beds, vertical burrows are missing and a more monotonous ichnofauna occur, dominated by pre-depositional horizontal trails like Taphrhelminthopsis sp. Ichnotaxa such as Helminthoida (ichnosp. Helminthoida labyrinthica) and ?Megagrapton sp. are also present in the section together with six other ichnogenera, all reflecting a deep-sea community, and with characteristic elements of the Nereites ichnofacies. (Less)
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author
Calner, Hanna
supervisor
organization
year
type
H1 - Master's Degree (One Year)
subject
keywords
Flysch deposits, trace fossils, Zoophycos, Chondrites, Helminthoida labyrinthica, Taphrhelminthopsis, Nereites ichnofacies, pre-depositional, postdepositional, Monte Sporno, Northern Apennines, Italy
publication/series
Dissertations in Geology at Lund University
report number
69
language
English
id
2369912
date added to LUP
2012-10-23 11:02:07
date last changed
2012-10-23 11:02:07
@misc{2369912,
  abstract     = {The trace fossil assemblages exposed at the Armorano road section in the Monte Sporno unit, Northern Apennines, Italy, occur in a turbidite sequence composed of fine-grained limestones (mudstones) and argillaceous limestones (wackestones) together with coarser grained calcareous sandstones and claystones, both turbiditic and hemipelagic. Fodinichnial vertical burrows of post-depositional origin and pascichnial horizontal trails of pre-depositional origin alternates depending on lithology. The fine-grained beds of the section exhibit the greatest variety of ichnotaxa. Post-depositional burrows, such as Chondrites sp. and Zoophycos sp, occur herein frequently and the sediment is in some parts almost totaly bioturbated. In the coarser grained beds, vertical burrows are missing and a more monotonous ichnofauna occur, dominated by pre-depositional horizontal trails like Taphrhelminthopsis sp. Ichnotaxa such as Helminthoida (ichnosp. Helminthoida labyrinthica) and ?Megagrapton sp. are also present in the section together with six other ichnogenera, all reflecting a deep-sea community, and with characteristic elements of the Nereites ichnofacies.},
  author       = {Calner, Hanna},
  keyword      = {Flysch deposits,trace fossils,Zoophycos,Chondrites,Helminthoida labyrinthica,Taphrhelminthopsis,Nereites ichnofacies,pre-depositional,postdepositional,Monte Sporno,Northern Apennines,Italy},
  language     = {eng},
  note         = {Student Paper},
  series       = {Dissertations in Geology at Lund University},
  title        = {Trace fossils from the Paleocene-Middle Eocene Monte Sporno flysch complex, northern Apennines, Italy},
  year         = {1996},
}