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Characteristic Features of Lapis Lazuli from Different Provenances, Revised by μXRF, ESEM, PGAA and PIXE
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作者 Renate Noler Ines Feldmann +2 位作者 Zsolt Kasztovszky zoltan szokefalvi-nagy Imre Kovacs 《Journal of Geological Resource and Engineering》 2019年第2期57-69,共13页
The objective of this study is to find out, to what extent the geochemical characteristics of lapis lazuli can be utilized in respect to its provenance. A wide range of variables is taken into consideration depending ... The objective of this study is to find out, to what extent the geochemical characteristics of lapis lazuli can be utilized in respect to its provenance. A wide range of variables is taken into consideration depending on the quantity of samples analysed from a specific geological region and the methods applied. In order to provide evidence, a multi-technique analytical approach using μXRF, ESEM, PGAA and PIXE is applied to samples from the most famous deposits of lapis lazuli. Special elements determined as fingerprints are compared in relation to the forming conditions obvious in textural features. The results and statistical output allow a differentiation that enables an optimized local classification of the blue stone. An absolute requirement for all geo-tracing performed on blue colored cultural objects of unknown provenance is awareness of the limits of analysis. The possible sources of lapis lazuli are tested by analysing the blue pigment used as paint on murals and ink on manuscripts from the Silk Road. 展开更多
关键词 Lapis lazuli MICRO-XRF ESEM PGAA PIXE PIGMENT analyses PROVENANCE studies
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