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Article

Evaluating the use of multi-element soil analysis in archaeology: a study of a postmedieval croft (Olligarth) in Shetland

Citation
Wilson C, Davidson D & Cresser MS (2007) Evaluating the use of multi-element soil analysis in archaeology: a study of a postmedieval croft (Olligarth) in Shetland. Atti della Societa Toscana di Scienze Naturali - Memorie serie A, 112, pp. 69-79. http://www.stsn.it/serAvolCXII.htm

Abstract
Multi-element soil analysis is an established technique in archaeology, but there has been little work to understand the processes and loadings involved. The abandoned farm (croft) of Olligarth, Shetland provided the opportunity of validating the technique by sampling from known contexts. The results showed multi-element soil analysis could accurately differentiate between areas of known function. Accuracy was increased using samples from the floor layers rather than topsoils. The elements that produced the best discriminant model of function were P, Ca, Cr, V, Fe, Nd, Ti, Pb, Al, and Yb. However because of cross-correlation between elements, Cu, Zn, Sr, Ba, K, Mg, Mn, Na, Ni, Co, Ni, and the rare earth elements, were also important potential discriminators. Of these P, Ca, Zn, Sr, Pb, Cu, Ba, Na, K, and Nd correlated positively with soil CEC and organic matter content and may, in part, originate from fuel materials, plasters, dung and bone. Ti, Cr, Al and many rare earth elements were influenced by local geological variation and are of less interest archaeologically.

Keywords
Multi-element analysis; soil; geoarchaeology; Archaeological geology; Soil science in archaeology Scotland; Soils Analysis

Journal
Atti della Societa Toscana di Scienze Naturali - Memorie serie A: Volume 112

StatusPublished
Author(s)Wilson, Clare; Davidson, Donald; Cresser, Malcolm S
Publication date31/12/2007
URLhttp://hdl.handle.net/1893/860
PublisherSocietà Toscana di Scienze Naturali
Publisher URLhttp://www.stsn.it/serAvolCXII.htm
ISSN0365-7655
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