Superficial deep-water sediments of the Eastern Marmara Basin

Date

1989-3

Author

Evans, G.
Erten, H.
Alavi, S. N.
Von Gunten, H. R.
Ergin, M.

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Superficial sediments (top ∼ Im) of the Eastern Mediterranean Basin, Sea of Marmara, Turkey accumulated rapidly (0.087 ± 0.012 g/cm2 · y) by hemipelagic sedimentation with only limited amounts of gravity flow or bottom current action under low oxygenated but not anoxic conditions. They have restricted faunas, relatively higher organic carbon (1–1.8%) and lower calcium carbonate (14–20%) contents than other Eastern Mediterranean Basin sediments. Sedimentation shows little change over the last millenium except for an increase in Cu, Zn, Pb, Cr, and P over the last few centuries. The increase was most likely caused by increased metallurgical activities since the eighteenth century but are not at sufficient levels for the area to be regarded as polluted.

Subject Keywords

Geotechnical Engineering and Engineering Geology, Earth and Planetary Sciences (miscellaneous), Environmental Science (miscellaneous), Oceanography, Geosciences, Multidisciplinary

URI

https://hdl.handle.net/11511/51756

Collections

Department of Geological Engineering, Article