Colette Vignaud
Dados Biográficos
| ID | 163147 |
|---|---|
| NOME | Colette Vignaud |
| PRENOMES | Colette |
| SOBRENOME | Vignaud |
| ASSINATURA | VIGNAUD C |
| AFILIAÇÕES | Centre National de la Recherche Scientifique |
| VERIFICADO | Não |
| TOTAL DE OBRAS | 13 |
| TOTAL DE CITAÇÕES | 170 |
| TOTAL COMO AUTOR | 13 |
| TOTAL COMO EDITOR | 0 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 1999 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2024 |
| ÍNDICE H | 7 |
The ornamentation steps of the Bull Rotunda of the Lascaux cave give new insights into the Upper Palaeolithic natural life cycle
Although the ornamentation of the Lascaux cave seems relatively homogeneous in style, the analysis by scanning and transmission electron microscopy of 32 microsamples from the figures of the Hall of the Bulls (Bull Rotunda) and one desquamated sample from the soil highlighted different paint pots. The black and red paint matters with their associated mineralogical phases were extensively characterized. Considering previous stylistic and superimpo…
Solutrean and Magdalenian ferruginous rocks heat-treatment
Non-Destructive Portable Analytical Techniques for Carbon In Situ Screening Before Sampling for Dating Prehistoric Rock Paintings
Direct dating of prehistoric paintings is playing a major role in Paleolithic art studies. Very few figures can be directly dated since the necessary condition is that they contain organic carbon-based material. Thus, it is very important to check the presence of organic carbon-based material in situ before sampling in order to protect the visual integrity of the paintings or drawings. We have tested and compared 3 different portable analytical s…
Selection and Heating of Colouring Materials in the Mousterian Level of Es‐skhul ( C . 100 000 Years Bp, Mount Carmel, Israel)
The transformation of yellow goethite into red hematite by heating has long been assumed for Palaeolithic red artefacts excavated close to fireplaces. However, this transformation is extremely rare. Using SEM–FEG–EDX, PIXE–PIGE, TEM and μXRD, we characterized the mineralogical and chemical compositions of four microsamples of colouring materials from the Mousterian layer B in the es‐Skhul rock‐shelter, from about 100 kya ago. For some colouring m…
Pigments from the Middle Palaeolithic levels of Es-Skhul (Mount Carmel, Israel)
Multianalytical Study of Palaeolithic Reindeer Antler. Discovery of Antler Traces in Lascaux Pigments by Tem
Palaeolithic and modern reindeer antler were analysed using complementary techniques to evaluate the conservation state of bone material. X‐ray diffraction, FT‐IR spectroscopy, scanning electron microscopy (SEM–EDX) and transmission electron microscopy (TEM–EDX) as well as proton induced X‐ray and γ‐ray emission (PIXE–PIGE) at the particle accelerator AGLAE, C2RMF were applied. This study enabled us to define the chemical and structural features …
The colour of ochres explained by their composition
Le groupe des « bisons adossés » de Lascaux. Étude de la technique de l'artiste par analyse des pigments
Les blasons de Lascaux
Analysis of rock art painting and technology of Palaeolithic painters
Archaeologists have attempted the interpretation of rock art, but have often disregarded the technical aspects of paints. Analysing paint samples for preparation techniques and studying the various compounds used, allows us to determine the technology of early painters. Palaeolithic artists used two main colours: red (iron oxide: natural hematite or heated goethite) and black (charcoal or manganese oxides). These pigments could be prepared in dif…
The crystallinity of ancient bone and dentine
We studied various archaeological and palaeontological bones and dentines from different burial environments by Fourier transform infrared spectroscopy (FT–IR), X–ray diffraction (XRD) and transmission electron microscopy (TEM), in the framework of a general study of diagenesis. FT–IR and XRD were used to evaluate the global preservation state of the bone and dentine mineral phase by determining a splitting factor (SF) or a crystallinity index (C…
Analyse de la peinture de quelques sites postglaciaires du Sud-Est de la France
Red Palaeolithic Pigments
Yellow goethite (α‐FeOOH) and red hematite (α‐Fe 2 0 3 ) were used as pigments by Palaeolithic painters. When heated, goethite dehydrates and transforms to hematite Archaeologists wonder whether prehistoric people knew of this property and used it. We present a way to distinguish heated goethite from natural hematite. The methods used are X‐ray diffraction and transmission electron microscopy. A double ‘signature’, namely selective broadening of …
Pigments from the Middle Palaeolithic levels of Es-Skhul (Mount Carmel, Israel)
Selection and Heating of Colouring Materials in the Mousterian Level of Es‐skhul ( C . 100 000 Years Bp, Mount Carmel, Israel)
The transformation of yellow goethite into red hematite by heating has long been assumed for Palaeolithic red artefacts excavated close to fireplaces. However, this transformation is extremely rare. Using SEM–FEG–EDX, PIXE–PIGE, TEM and μXRD, we characterized the mineralogical and chemical compositions of four microsamples of colouring materials from the Mousterian layer B in the es‐Skhul rock‐shelter, from about 100 kya ago. For some colouring m…
Red Palaeolithic Pigments
Yellow goethite (α‐FeOOH) and red hematite (α‐Fe 2 0 3 ) were used as pigments by Palaeolithic painters. When heated, goethite dehydrates and transforms to hematite Archaeologists wonder whether prehistoric people knew of this property and used it. We present a way to distinguish heated goethite from natural hematite. The methods used are X‐ray diffraction and transmission electron microscopy. A double ‘signature’, namely selective broadening of …
Le groupe des « bisons adossés » de Lascaux. Étude de la technique de l'artiste par analyse des pigments
Solutrean and Magdalenian ferruginous rocks heat-treatment
The crystallinity of ancient bone and dentine
We studied various archaeological and palaeontological bones and dentines from different burial environments by Fourier transform infrared spectroscopy (FT–IR), X–ray diffraction (XRD) and transmission electron microscopy (TEM), in the framework of a general study of diagenesis. FT–IR and XRD were used to evaluate the global preservation state of the bone and dentine mineral phase by determining a splitting factor (SF) or a crystallinity index (C…
Multianalytical Study of Palaeolithic Reindeer Antler. Discovery of Antler Traces in Lascaux Pigments by Tem
Palaeolithic and modern reindeer antler were analysed using complementary techniques to evaluate the conservation state of bone material. X‐ray diffraction, FT‐IR spectroscopy, scanning electron microscopy (SEM–EDX) and transmission electron microscopy (TEM–EDX) as well as proton induced X‐ray and γ‐ray emission (PIXE–PIGE) at the particle accelerator AGLAE, C2RMF were applied. This study enabled us to define the chemical and structural features …
Non-Destructive Portable Analytical Techniques for Carbon In Situ Screening Before Sampling for Dating Prehistoric Rock Paintings
Direct dating of prehistoric paintings is playing a major role in Paleolithic art studies. Very few figures can be directly dated since the necessary condition is that they contain organic carbon-based material. Thus, it is very important to check the presence of organic carbon-based material in situ before sampling in order to protect the visual integrity of the paintings or drawings. We have tested and compared 3 different portable analytical s…
The ornamentation steps of the Bull Rotunda of the Lascaux cave give new insights into the Upper Palaeolithic natural life cycle
Although the ornamentation of the Lascaux cave seems relatively homogeneous in style, the analysis by scanning and transmission electron microscopy of 32 microsamples from the figures of the Hall of the Bulls (Bull Rotunda) and one desquamated sample from the soil highlighted different paint pots. The black and red paint matters with their associated mineralogical phases were extensively characterized. Considering previous stylistic and superimpo…
Red Palaeolithic Pigments
Yellow goethite (α‐FeOOH) and red hematite (α‐Fe 2 0 3 ) were used as pigments by Palaeolithic painters. When heated, goethite dehydrates and transforms to hematite Archaeologists wonder whether prehistoric people knew of this property and used it. We present a way to distinguish heated goethite from natural hematite. The methods used are X‐ray diffraction and transmission electron microscopy. A double ‘signature’, namely selective broadening of …
Analyse de la peinture de quelques sites postglaciaires du Sud-Est de la France
The crystallinity of ancient bone and dentine
We studied various archaeological and palaeontological bones and dentines from different burial environments by Fourier transform infrared spectroscopy (FT–IR), X–ray diffraction (XRD) and transmission electron microscopy (TEM), in the framework of a general study of diagenesis. FT–IR and XRD were used to evaluate the global preservation state of the bone and dentine mineral phase by determining a splitting factor (SF) or a crystallinity index (C…
Analysis of rock art painting and technology of Palaeolithic painters
Archaeologists have attempted the interpretation of rock art, but have often disregarded the technical aspects of paints. Analysing paint samples for preparation techniques and studying the various compounds used, allows us to determine the technology of early painters. Palaeolithic artists used two main colours: red (iron oxide: natural hematite or heated goethite) and black (charcoal or manganese oxides). These pigments could be prepared in dif…
Les blasons de Lascaux
The colour of ochres explained by their composition
Le groupe des « bisons adossés » de Lascaux. Étude de la technique de l'artiste par analyse des pigments
Multianalytical Study of Palaeolithic Reindeer Antler. Discovery of Antler Traces in Lascaux Pigments by Tem
Palaeolithic and modern reindeer antler were analysed using complementary techniques to evaluate the conservation state of bone material. X‐ray diffraction, FT‐IR spectroscopy, scanning electron microscopy (SEM–EDX) and transmission electron microscopy (TEM–EDX) as well as proton induced X‐ray and γ‐ray emission (PIXE–PIGE) at the particle accelerator AGLAE, C2RMF were applied. This study enabled us to define the chemical and structural features …
Pigments from the Middle Palaeolithic levels of Es-Skhul (Mount Carmel, Israel)
Selection and Heating of Colouring Materials in the Mousterian Level of Es‐skhul ( C . 100 000 Years Bp, Mount Carmel, Israel)
The transformation of yellow goethite into red hematite by heating has long been assumed for Palaeolithic red artefacts excavated close to fireplaces. However, this transformation is extremely rare. Using SEM–FEG–EDX, PIXE–PIGE, TEM and μXRD, we characterized the mineralogical and chemical compositions of four microsamples of colouring materials from the Mousterian layer B in the es‐Skhul rock‐shelter, from about 100 kya ago. For some colouring m…
Non-Destructive Portable Analytical Techniques for Carbon In Situ Screening Before Sampling for Dating Prehistoric Rock Paintings
Direct dating of prehistoric paintings is playing a major role in Paleolithic art studies. Very few figures can be directly dated since the necessary condition is that they contain organic carbon-based material. Thus, it is very important to check the presence of organic carbon-based material in situ before sampling in order to protect the visual integrity of the paintings or drawings. We have tested and compared 3 different portable analytical s…
Solutrean and Magdalenian ferruginous rocks heat-treatment
The ornamentation steps of the Bull Rotunda of the Lascaux cave give new insights into the Upper Palaeolithic natural life cycle
Although the ornamentation of the Lascaux cave seems relatively homogeneous in style, the analysis by scanning and transmission electron microscopy of 32 microsamples from the figures of the Hall of the Bulls (Bull Rotunda) and one desquamated sample from the soil highlighted different paint pots. The black and red paint matters with their associated mineralogical phases were extensively characterized. Considering previous stylistic and superimpo…
Mineralogy (10 obras) · Chemistry (9 obras) · Archaeology (8 obras) · Art (7 obras) · Geography (7 obras) · Materials Science (7 obras) · Pleistocene-Era Hominins and Archaeology (7 obras) · Cave (6 obras) · Cultural Heritage Materials Analysis (6 obras) · Geology (6 obras)