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Bibliographic record number: 727779


Authors: Ilijanić, Nikolina; Miko, Slobodan; Petrinec, Branko; Franić, Zdenko
Title: Metal deposition in deep sediments from the Central and South Adriatic Sea
Source: Geologia Croatica : journal of the Croatian Geological Survey and the Croatian Geological Society (1330-030X) 67 (2014), 3; 185-205
Paper type: article
Keywords: trace metals ; accumulation rate ; marine sediment record ; enrichment factors ; Adriatic Sea ; Eastern Adriatic Current
Geochemical analysis and trace element distribution were performed on the marine sediments from short cores (30 to 50 cm) from the Middle (Jabuka and Palagruža pits, depth 230 m and 170 m respectively) and South Adriatic Sea (depth 1030 m) and the Albanian offshore (50 m depth). The distribution and mineralogy of trace elements (As, Co, Cd, Cu Cr, Ni, Zn, Hg, and Pb) and major elements (Al, Ca and Mn) in the sediments is presented. Sediments are highly heterogeneous and consist of carbonate and detrital aluminosilicates. The main mineral phase is calcite, followed by quartz, feldspars, micas and clay minerals (smectite, chlorite, illite and kaolinite). The cores were dated using 137Cs. The cores from the South Adriatic Pit and Palagruža Sill gave estimated sedimentation rates of 1.8 mm y-1 and 3.1 mm y-1 in Jabuka Pit. Distributions of Ni and Cr showed that they can be used as tracers of sediment provenance along the southern part of the Eastern Adriatic Current. Calculated enrichment factors for Pb, Cd and Hg are highest in the top 2 cm of the cores. Mercury shows the highest degree of enrichment in 0-2 cm sediment intervals (the highest in the Albania core). Generally the estimated surface enrichment follows the order: Hg>Pb>Cd. No enrichment was found for Zn, Ni and Cr.
Project / theme: 022-0222882-2823
Original language: ENG
Citation databases: Scopus
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Category: Znanstveni
Research fields:
Broj citata:
DOI: 10.4154/GC.2014.14
URL cjelovitog rada:
Google Scholar: Metal deposition in deep sediments from the Central and South Adriatic Sea
Contrib. to CROSBI by: Nikolina Ilijanić (, 6. Stu. 2014. u 16:06 sati

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