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Search for geochemical indicators of pre-urban habitation sites; case study from the Skomantai hill-fort and settlement, western Lithuania

Ricardas Taraskevicius, Migle Stancikaite, Audrone Bliujiene, Rimute Stakeniene, Rimante Zinkute and Jarosaw Kusiak
Search for geochemical indicators of pre-urban habitation sites; case study from the Skomantai hill-fort and settlement, western Lithuania
Geochemistry - Exploration, Environment, Analysis (November 2012) 12 (4): 265-275

Abstract

Thermoluminescence dating of potsherds found in the Skomantai hill-fort and settlement areas in western Lithuania confirms that they were fired from the 4th to the 10th century and historical human activity existed at Skomantai. The aim of this research was to investigate the relationship of chemical elements with total organic carbon and total inorganic carbon and distinguish possible anthropogenic indicators in the study area which is characterised by sandy sediments and wooden construction. Twenty-six chemical elements were determined by EDXRF. Two groups of possible anthropogenic indicators were distinguished: Ca, Zn, Mn, Cu, Ba, P and S, Pb, Br, Cl. All of them are significantly positively correlated with total organic and inorganic carbon. The enrichment factors of possible anthropogenic indicators were calculated based on the local background concentration of sand. Elevated enrichment factors in topsoil indicate regional and local anthropogenic influence; in the layer at 20-50 cm depth they give evidence of historical human activity. The descending sequence of their average enrichment factors in the latter layer of the hill-fort and settlement areas is as follows: S(18.7)> P(7.0)>Cl(4.3)>Mn(4.2)>Cu(3.8)>Zn(3.3)>Br(2.4)> Ca(1.8)>Pb(1.7)>Ba(1.1). The additive index of group S, Pb, Br, Cl is much higher than the additive index of the group Ca, Zn, Mn, Cu, Ba. However, the relative part of the additive index of the group Ca, Zn, Mn, Cu, Ba increases in the settlement area compared to the hill-fort.


ISSN: 1467-7873
EISSN: 2041-4943
Serial Title: Geochemistry - Exploration, Environment, Analysis
Serial Volume: 12
Serial Issue: 4
Title: Search for geochemical indicators of pre-urban habitation sites; case study from the Skomantai hill-fort and settlement, western Lithuania
Affiliation: Institute of Geology and Geography, Nature Research Centre, Vilnius, Lithuania
Pages: 265-275
Published: 201211
Text Language: English
Publisher: Geological Society Publishing House, London, United Kingdom
References: 37
Accession Number: 2013-006223
Categories: General geochemistryQuaternary geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 4 tables, sketch maps
N55°32'60" - N55°34'00", E21°31'00" - E21°31'60"
Secondary Affiliation: Klaipeda University, LTU, LithuaniaMaria Curie Skodowska University, POL, Poland
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data from The Geological Society, London, London, United Kingdom
Update Code: 201304
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