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Pliocene to recent shallow-water contourite deposits on the shelf and shelf edge off south-western Mallorca, Spain

Thomas Vandorpe UGent, David Van Rooij UGent, Dorrik AV Stow and Jean Henriet UGent (2011) GEO-MARINE LETTERS. 31(5-6). p.391-403
abstract
This paper presents evidence for the presence of shallow-water contourite drifts on the south-western shelf and shelf edge off Mallorca in water depths between 150 and 275 m. These are called the Mallorca contourite depositional system (CDS). The elongate-mounded shallow-water CDS in this area is ascribed to an offshoot of the Balearic Current, which flows north to south through the Mallorca Channel as part of the overall thermohaline circulation in the Mediterranean Sea. Drift geometry suggests that the north-south current is deflected into an east-west flow pattern by interaction with a marked seafloor bathymetry, associated with major fault displacement. Four seismic units separated by three prominent discontinuities can be identified. The three internal discontinuities are correlated to large-scale basin-wide events: the lower Pliocene revolution (4.2 Ma), the upper Pliocene revolution (2.4 Ma) and the mid-Pleistocene revolution (0.9 Ma). The Plio-Quaternary succession has been deposited on top of a Miocene reef, which serves as an acoustic basement and is affected by a large fault, offsetting the basement on average by 150 m. Marked erosional features throughout and further incision of the Sant Jordi Channel along the basement fault in the Pleistocene deposits indicate stronger currents in this period. The Pleistocene deposits also show a pronounced cyclicity, which is tentatively ascribed to climatic variations and the effects of eustatic sea-level fluctuation over the south-western Mallorca shelf at that time.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DELTA-O-18 RECORDS, SEA-LEVEL, BALEARIC-ISLANDS, CIRCULATION, MIOCENE, COMPLEX, MARGIN, PATTERNS, CURRENTS, CLIMATE
journal title
GEO-MARINE LETTERS
Geo-Mar. Lett.
volume
31
issue
5-6
issue title
Contributions from the international congress Deep-water circulation: processes & products
pages
391 - 403
conference name
International congress on Deep-Water Circulation: Processes and Products
conference location
Baiona, Spain
conference start
2010-06-16
conference end
2010-06-18
Web of Science type
Article; Proceedings Paper
Web of Science id
000297729200007
JCR category
GEOSCIENCES, MULTIDISCIPLINARY
JCR impact factor
1.472 (2011)
JCR rank
75/170 (2011)
JCR quartile
2 (2011)
ISSN
0276-0460
DOI
10.1007/s00367-011-0248-9
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1870485
handle
http://hdl.handle.net/1854/LU-1870485
date created
2011-08-08 13:55:26
date last changed
2012-10-19 12:58:08
@article{1870485,
  abstract     = {This paper presents evidence for the presence of shallow-water contourite drifts on the south-western shelf and shelf edge off Mallorca in water depths between 150 and 275 m. These are called the Mallorca contourite depositional system (CDS). The elongate-mounded shallow-water CDS in this area is ascribed to an offshoot of the Balearic Current, which flows north to south through the Mallorca Channel as part of the overall thermohaline circulation in the Mediterranean Sea. Drift geometry suggests that the north-south current is deflected into an east-west flow pattern by interaction with a marked seafloor bathymetry, associated with major fault displacement. Four seismic units separated by three prominent discontinuities can be identified. The three internal discontinuities are correlated to large-scale basin-wide events: the lower Pliocene revolution (4.2 Ma), the upper Pliocene revolution (2.4 Ma) and the mid-Pleistocene revolution (0.9 Ma). The Plio-Quaternary succession has been deposited on top of a Miocene reef, which serves as an acoustic basement and is affected by a large fault, offsetting the basement on average by 150 m. Marked erosional features throughout and further incision of the Sant Jordi Channel along the basement fault in the Pleistocene deposits indicate stronger currents in this period. The Pleistocene deposits also show a pronounced cyclicity, which is tentatively ascribed to climatic variations and the effects of eustatic sea-level fluctuation over the south-western Mallorca shelf at that time.},
  author       = {Vandorpe, Thomas and Van Rooij, David and Stow, Dorrik AV and Henriet, Jean},
  issn         = {0276-0460},
  journal      = {GEO-MARINE LETTERS},
  keyword      = {DELTA-O-18 RECORDS,SEA-LEVEL,BALEARIC-ISLANDS,CIRCULATION,MIOCENE,COMPLEX,MARGIN,PATTERNS,CURRENTS,CLIMATE},
  language     = {eng},
  location     = {Baiona, Spain},
  number       = {5-6},
  pages        = {391--403},
  title        = {Pliocene to recent shallow-water contourite deposits on the shelf and shelf edge off south-western Mallorca, Spain},
  url          = {http://dx.doi.org/10.1007/s00367-011-0248-9},
  volume       = {31},
  year         = {2011},
}

Chicago
Vandorpe, Thomas, David Van Rooij, Dorrik AV Stow, and Jean Henriet. 2011. “Pliocene to Recent Shallow-water Contourite Deposits on the Shelf and Shelf Edge Off South-western Mallorca, Spain.” Geo-marine Letters 31 (5-6): 391–403.
APA
Vandorpe, T., Van Rooij, D., Stow, D. A., & Henriet, J. (2011). Pliocene to recent shallow-water contourite deposits on the shelf and shelf edge off south-western Mallorca, Spain. GEO-MARINE LETTERS, 31(5-6), 391–403. Presented at the International congress on Deep-Water Circulation: Processes and Products.
Vancouver
1.
Vandorpe T, Van Rooij D, Stow DA, Henriet J. Pliocene to recent shallow-water contourite deposits on the shelf and shelf edge off south-western Mallorca, Spain. GEO-MARINE LETTERS. 2011;31(5-6):391–403.
MLA
Vandorpe, Thomas, David Van Rooij, Dorrik AV Stow, et al. “Pliocene to Recent Shallow-water Contourite Deposits on the Shelf and Shelf Edge Off South-western Mallorca, Spain.” GEO-MARINE LETTERS 31.5-6 (2011): 391–403. Print.