2015 |
Sepulveda, M; Gutierrez, S; Campos-Vallette, M; Standen, V G; Arriaza, B T; Carcamo, J J Micro-Raman Spectral Identification of Manganese Oxides Black Pigments in an Archaeological Context in Northern Chile Artículo de revista Heritage Science, 3 , 2015, ISSN: 2050-7445. Resumen | Enlaces | BibTeX | Etiquetas: archaeological art, atacama black contexts, desert, diagnosis, manganese micro-raman minerals, model, oxides, pigment, rock site spectroscopy @article{RN264, title = {Micro-Raman Spectral Identification of Manganese Oxides Black Pigments in an Archaeological Context in Northern Chile}, author = { M. Sepulveda and S. Gutierrez and M. Campos-Vallette and V.G. Standen and B.T. Arriaza and J.J. Carcamo}, url = {/brokenurl#<Go to ISI>://WOS:000362260500001}, doi = {UNSP 32, 10.1186/s40494-015-0061-2}, issn = {2050-7445}, year = {2015}, date = {2015-01-01}, journal = {Heritage Science}, volume = {3}, abstract = {The micro-Raman spectroscopy was used to identify manganese oxides, pyrolusite, manganite and cryptomelane in archaeological sites in northern Atacama Desert, Chile. The present micro-Raman data allow us to compare and expand the origins of raw materials used by archaic groups of the Atacama Desert. In the Andean highlands, pyrolusite and manganite were identified while in the coastal lowlands manganite and cryptomelane were found. The present results complement the data obtained from the lithic materials and rock art painting analyses pointing to a better understanding of the daily life of ancient populations and minerals use in this region.}, keywords = {archaeological art, atacama black contexts, desert, diagnosis, manganese micro-raman minerals, model, oxides, pigment, rock site spectroscopy}, pubstate = {published}, tppubtype = {article} } The micro-Raman spectroscopy was used to identify manganese oxides, pyrolusite, manganite and cryptomelane in archaeological sites in northern Atacama Desert, Chile. The present micro-Raman data allow us to compare and expand the origins of raw materials used by archaic groups of the Atacama Desert. In the Andean highlands, pyrolusite and manganite were identified while in the coastal lowlands manganite and cryptomelane were found. The present results complement the data obtained from the lithic materials and rock art painting analyses pointing to a better understanding of the daily life of ancient populations and minerals use in this region. |
2013 |
Sepulveda, M; Gutierrez, S; Campos-Vallette, M; Clavijo, E; Walter, P; Carcamo, J J Raman Spectroscopy and X-Ray Fluorescence in Molecular Analysis of Yellow Blocks from the Archeological Site Playa Miller 7 (Northern Chile) Artículo de revista Journal of the Chilean Chemical Society, 58 (3), pp. 1836-1839, 2013, ISSN: 0717-9707. Resumen | Enlaces | BibTeX | Etiquetas: art, chile, diagnosis, fluorescence, identification, jarosite, micro-raman, northern pigments, raman spectra spectroscopy, x-ray @article{RN152, title = {Raman Spectroscopy and X-Ray Fluorescence in Molecular Analysis of Yellow Blocks from the Archeological Site Playa Miller 7 (Northern Chile)}, author = { M. Sepulveda and S. Gutierrez and M. Campos-Vallette and E. Clavijo and P. Walter and J.J. Carcamo}, url = {/brokenurl#<Go to ISI>://WOS:000331238200008}, doi = {10.4067/S0717-97072013000300008}, issn = {0717-9707}, year = {2013}, date = {2013-01-01}, journal = {Journal of the Chilean Chemical Society}, volume = {58}, number = {3}, pages = {1836-1839}, abstract = {Yellow blocks from the archaeological site Playa Miller 7 (PLM7), on the coast of Atacama Desert in northern Chile, were analyzed by Raman spectroscopy and X-ray fluorescence (XRF) portable. Our results identify for the first time the use of K-jarosite and natrojarosite in prehispanic times (approx. 2500 year BP). In search of a possible source of supply for this mineral hydrothermal origin, our surveys were focused on Andean geothermal areas with identification, so far, from a single source in the region of Arica and Parinacota: Jurasi (JU), located at 4000 mamsl. Comparison of the Raman spectra between samples archaeological and Jurasi, allow us to infer that this hydrothermal source could be used as obtaining source of yellow pigment by prehispanic inhabitant of Formative period (3700-1500 years B.P.).}, keywords = {art, chile, diagnosis, fluorescence, identification, jarosite, micro-raman, northern pigments, raman spectra spectroscopy, x-ray}, pubstate = {published}, tppubtype = {article} } Yellow blocks from the archaeological site Playa Miller 7 (PLM7), on the coast of Atacama Desert in northern Chile, were analyzed by Raman spectroscopy and X-ray fluorescence (XRF) portable. Our results identify for the first time the use of K-jarosite and natrojarosite in prehispanic times (approx. 2500 year BP). In search of a possible source of supply for this mineral hydrothermal origin, our surveys were focused on Andean geothermal areas with identification, so far, from a single source in the region of Arica and Parinacota: Jurasi (JU), located at 4000 mamsl. Comparison of the Raman spectra between samples archaeological and Jurasi, allow us to infer that this hydrothermal source could be used as obtaining source of yellow pigment by prehispanic inhabitant of Formative period (3700-1500 years B.P.). |
2015 |
Micro-Raman Spectral Identification of Manganese Oxides Black Pigments in an Archaeological Context in Northern Chile Artículo de revista Heritage Science, 3 , 2015, ISSN: 2050-7445. |
2013 |
Raman Spectroscopy and X-Ray Fluorescence in Molecular Analysis of Yellow Blocks from the Archeological Site Playa Miller 7 (Northern Chile) Artículo de revista Journal of the Chilean Chemical Society, 58 (3), pp. 1836-1839, 2013, ISSN: 0717-9707. |