L C Alves
Biographic Data
| ID | 4435978 |
|---|---|
| NAME | L C Alves |
| GIVEN NAMES | L C |
| FAMILY NAME | Alves |
| SIGNATURE | ALVES L C |
| AFFILIATIONS | University of Lisbon |
| ORCID | 0000-0001-5369-5019 |
| VERIFIED | Yes |
| TOTAL WORKS | 28 |
| TOTAL CITATIONS | 30 |
| AUTHOR COUNT | 28 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1988 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 3 |
Venetian traditions and Iberian adaptations
The supply of copper to the settlement of Leceia (Portugal) and the Estremadura region during the third millennium BC
The Chalcolithic settlement of Leceia (Portugal) has one of the largest collections of copper artefacts and metallurgical debris in the Portuguese Estremadura. However, the absence of ores and smelting remains suggests that local metallurgical operations were related to the production of artefacts. In fact, the metal assemblage includes several fragments of flat axes, most of them with traces of sectioning, which may have been used as ingots. In …
Chert procurement for inferring Neanderthal mobility in central western Iberia
Lithic raw material sourcing is one of the most effective approaches for inferring exploitation territories during the Palaeolithic, including for Neanderthals. Certain raw materials, particularly chert, are especially well suited to this type of investigation because the distinctive characteristics of each geological source can be reliably identified through a combination of macroscopic observation, low-magnification analysis, and geochemical me…
Non-invasive analysis of faience necklace beads and scarabs from Late Bronze Age and Early Iron Age necropolises in southern Portugal
In this work, non-invasive techniques (XRD and microPIXE) were used to study 14 necklace beads associated with human inhumations from the Late Bronze Age (10th-9th century BC) hypogea of Monte da Ramada 1 (Aljustrel), from the Early Iron Age (7th-6th century BC) necropolises of Palhais (Beja), Montinhos 6 (Serpa) and Corte Margarida (Aljustrel), and a blue bead from the Orientalising settlement (8th century BC) of Quinta do Almaraz (Almada). Two …
Blue decoration on glass Objects
Provenance Studies of a Set of Pick-Up Glass Fragments Found in Portugal and Dated to the 17th Century
One of the most recognized decorations of the pick-up technique is the millefiori glass, which has been commonly attributed to Venetian production. However, Portugal is the country where the largest known assemblage of this type of glass artefact has been studied and published. In this work, two important archeological contexts were selected: (1) Santa Clara-a-Velha monastery (SCV) and (2) São João de Tarouca monastery (SJT). The fragments select…
Conventualidades
O e-book Conventualidades: Representações e vestígios do quotidiano é o resultado de um diálogo interdisciplinar e complementar sobre testemunhos da vida monástico-conventual que teve lugar em 2019, durante a VII edição da Residência Cisterciense no mosteiro de S. Bento de Cástris, em Évora. Os onze ensaios aqui apresentados cruzam várias áreas do saber, sendo tratados temas como as narrativas propiciadas pelos azulejos, os novos olhares sobre o …
In the quest for historical Lisbon through 17th century Millefiori glass
Chalcolithic copper production and use in the western end of the Iberian Peninsula
An Overview of Germanic Grisailles through the Stained-Glass Collection at Pena Palace
The lack of studies reporting the characterisation of Germanic grisaille is evident, despite the recent interest of researchers in this glass painting material. This work consists of the first assessment of Germanic grisaille’ chemical composition on a wide chronology (14th–19th centuries), that was only possible through the unique stained-glass collection of King Ferdinand II of Portugal. From the considerable amount of panels produced in German…
Christian-Muslim contacts across the Mediterranean
Glass mosaic decorations were used throughout the medieval Mediterranean as a powerful medium to convey religious and political agendas, yet we know next to nothing about the source of the materials and the transmission of the necessary technical know-how. Mosaics are generally considered a Byzantine art form, not least due to their prominence in Byzantine church architecture and because medieval Islamic textual sources assert that the glass tess…
Símbolos de estatus o una visión de los primeros momentos del Bronce Medio del suroeste
El reciente descubrimiento y excavación arqueológica de dos estructuras funerarias ubicadas en Horta do Pinheiro 5 (sur de Portugal) arrojan una nueva luz sobre los primeros momentos del Bronce Medio del suroeste. Estas estructuras, una fosa y un hipogeo, ambas asociadas con otra fosa, han permitido profundizar en el conocimiento de los rituales funerarios practicados en esa época. Las ofrendas funerarias recogidas en ambas estructuras destacan p…
White on blue
Microanalytical study of copper ores from the Chalcolithic settlement of São Pedro (Portugal)
Copper ores recovered at the third millennium bce settlement of São Pedro, Portugal, were characterized by micro‐Raman spectroscopy, micro‐energy dispersive X‐ray spectrometry (micro‐ EDXRF) and micro‐particle‐induced X‐ray emission spectrometry (micro‐PIXE). The collection shows the common presence of secondary copper minerals (malachite, pseudomalachite and libethenite) combined with iron oxyhydroxides (hematite and goethite), while arsenic‐ric…
Study of Iron Gall Inks, Ingredients and Paper Composition Using Non-Destructive Techniques
Old manuscripts are among the most important elements of the cultural and historical heritage of ancient knowledge. Unfortunately, many of them suffer from degradation, mostly those written with iron gall inks. In the present work, a study using non-destructive techniques was designed with the aim of analyzing the elemental composition and structural characteristics of iron gall inks, reproduced in laboratory, paper and their interaction when the…
Nanotechnology in Roman Opaque Red Glass from the 2nd Century AD. Archaeometric Investigation in Red Sectilia from the Decoration of the Lucius Verus Villa in Rome
This work aims to characterise the chemical composition of Roman opaque red glass sectilia dated to the 2nd century A.D and to shed light on Roman glassmaking production of different shades of red, from red to reddish-brown. Due to the lack of technical historical sources for this period many questions about technological aspects still remain. In this project a multi-disciplinary approach is in progress to investigate the red glass sectilia with …
The Composition of the São Brás Copper Hoard in Relation to the Bell Beaker Metallurgy in the South‐western Iberian Peninsula
A large ceramic vessel was discovered at São Brás (southern Portugal) containing a metallic hoard from the Chalcolithic/Early Bronze Age period. These weapons and tools were characterized by microanalytical techniques as being composed of copper with varying arsenic contents (2.2 ± 1.6 wt%) and minor amounts of lead, bismuth and iron. The collection shows a clear association between daggers and copper with a higher arsenic content, which can be e…
European Silver Sources from the 15th to the 17th Century
The circulation trading routes and the characterization of the silver metal used in the European continent in the 15–17th centuries are historical issues that are still open. This study aimed to bring an insight into the silver processed within a chronological framework in the Portuguese territory, relating the analytical data with the known historical information. This investigation developed on 230 high silver coins from two important Portugues…
Provenance studies of 18th century potassium-rich archaeological glass from Portugal
Colourless Roman glass from the Zadar necropolis
Una revisión de los discos de Fortios
Hemos empleado fluorescencia de rayos X por energía dispersiva (EDXRF), emisión de rayos X inducida por partículas (Micro-PIXE) y microscopía (análisis metalográfico), complementada con microscopia electrónica de barrido y espectroscopia de rayos X en energía dispersiva (SEM-EDS), primero para determinar el contenido elemental y segundo para identificar el proceso empleado para unir los componentes (disco, anillo periférico y presilla) de varios …
The Glaze Technology of Hispano‐Moresque Ceramic Tiles
For the first time, Hispano‐Moresque glazed tiles from Portuguese and Spanish collections were studied together and compared. This work is included in a wider study tackling the technology of Hispano‐Moresque tile production from several collections in the Iberian Peninsula. While showing many similarities, differences were identified between collections, regarding both chemical and morphological characteristics. The collection from the Mosteiro …
Wine Bottles From Lisbon
Two sets of wine bottles dated between the end of the 17th and the 19th centuries were characterized by means of μ-PIXE (major and minor elements) and LA–ICP–MS (trace and REE elements). The fragmented wine bottles were recovered from two archaeological contexts in Lisbon and reach a total of 79 fragments. One of the archaeological bottle sets comes from a house structure that collapsed during the major earthquake in 1755, providing a precise ter…
Provenance studies on façon-de-Venise glass excavated in Portugal
The Cistercian glazed tiles of the Monastery of Alcobaça
The glazed tiles that paved the apse of the Monastery of St. Mary of Alcobaça were a rare decorative element in the most important part of this Cistercian construction. These medieval tiles, all monochromatic, are believed to be a thirteenth-century production and represent some of the first examples of tin-opacified glazed tiles in Christian Portugal. Although lead glazes have been extensively used in medieval pavements in North-Western Europe, …
Christian-Muslim contacts across the Mediterranean
Glass mosaic decorations were used throughout the medieval Mediterranean as a powerful medium to convey religious and political agendas, yet we know next to nothing about the source of the materials and the transmission of the necessary technical know-how. Mosaics are generally considered a Byzantine art form, not least due to their prominence in Byzantine church architecture and because medieval Islamic textual sources assert that the glass tess…
Nanotechnology in Roman Opaque Red Glass from the 2nd Century AD. Archaeometric Investigation in Red Sectilia from the Decoration of the Lucius Verus Villa in Rome
This work aims to characterise the chemical composition of Roman opaque red glass sectilia dated to the 2nd century A.D and to shed light on Roman glassmaking production of different shades of red, from red to reddish-brown. Due to the lack of technical historical sources for this period many questions about technological aspects still remain. In this project a multi-disciplinary approach is in progress to investigate the red glass sectilia with …
Study of Iron Gall Inks, Ingredients and Paper Composition Using Non-Destructive Techniques
Old manuscripts are among the most important elements of the cultural and historical heritage of ancient knowledge. Unfortunately, many of them suffer from degradation, mostly those written with iron gall inks. In the present work, a study using non-destructive techniques was designed with the aim of analyzing the elemental composition and structural characteristics of iron gall inks, reproduced in laboratory, paper and their interaction when the…
First archaeometric study on medieval glass found in Beja (Southern Portugal)
During an archaeological intervention that took place in Beja (southern Portugal), at Avenida Miguel Fernandes, between August 2003 and March 2004, a set of 137 silos was discovered. The excavation yielded an assemblage of glass that can be dated between the fourteenth and the seventeenth centuries. For this investigation only the fragments from the medieval contexts were considered in order to provide an overview of the use of glass vessels in a…
The Composition of the São Brás Copper Hoard in Relation to the Bell Beaker Metallurgy in the South‐western Iberian Peninsula
A large ceramic vessel was discovered at São Brás (southern Portugal) containing a metallic hoard from the Chalcolithic/Early Bronze Age period. These weapons and tools were characterized by microanalytical techniques as being composed of copper with varying arsenic contents (2.2 ± 1.6 wt%) and minor amounts of lead, bismuth and iron. The collection shows a clear association between daggers and copper with a higher arsenic content, which can be e…
Provenance studies on façon-de-Venise glass excavated in Portugal
The Cistercian glazed tiles of the Monastery of Alcobaça
The glazed tiles that paved the apse of the Monastery of St. Mary of Alcobaça were a rare decorative element in the most important part of this Cistercian construction. These medieval tiles, all monochromatic, are believed to be a thirteenth-century production and represent some of the first examples of tin-opacified glazed tiles in Christian Portugal. Although lead glazes have been extensively used in medieval pavements in North-Western Europe, …
Estudio de botones de oro de la primera Edad del Hierro del Sudoeste de la Península Ibérica. Identificación de un taller metalúrgico de oro
Botones de oro pertenecientes a la primera Edad del Hierro, procedentes de Castro dos Ratinhos, Fortios e Outeiro da Cabeça (Portugal), fueron analizados por EDXRF y Micro-PIXE. Los resultados de los análisis por EDXRF mostraron una composición similar en todos los botones, independientemente de su procedencia. Por otra parte, los microanálisis por PIXE permitieron verificar que los componentes soldados de cada botón (disco, presilla y cordón ext…
Ion Beam Analysis of Copper and Copper Alloy Coins
In recent years ion beam techniques have become more and more important since in most cases the analysis of copper and copper alloy coins has to be non‐destructive. It is therefore of interest to study the relative advantages of several nuclear methods for a certain type of metal. The results are presented here of a comparison between three non‐destructive ion beam techniques: particle induced X‐ray emission, proton activation analysis and fast n…
In the quest for historical Lisbon through 17th century Millefiori glass
Microanalytical study of copper ores from the Chalcolithic settlement of São Pedro (Portugal)
Copper ores recovered at the third millennium bce settlement of São Pedro, Portugal, were characterized by micro‐Raman spectroscopy, micro‐energy dispersive X‐ray spectrometry (micro‐ EDXRF) and micro‐particle‐induced X‐ray emission spectrometry (micro‐PIXE). The collection shows the common presence of secondary copper minerals (malachite, pseudomalachite and libethenite) combined with iron oxyhydroxides (hematite and goethite), while arsenic‐ric…
Provenance studies of 18th century potassium-rich archaeological glass from Portugal
Una revisión de los discos de Fortios
Hemos empleado fluorescencia de rayos X por energía dispersiva (EDXRF), emisión de rayos X inducida por partículas (Micro-PIXE) y microscopía (análisis metalográfico), complementada con microscopia electrónica de barrido y espectroscopia de rayos X en energía dispersiva (SEM-EDS), primero para determinar el contenido elemental y segundo para identificar el proceso empleado para unir los componentes (disco, anillo periférico y presilla) de varios …
The Glaze Technology of Hispano‐Moresque Ceramic Tiles
For the first time, Hispano‐Moresque glazed tiles from Portuguese and Spanish collections were studied together and compared. This work is included in a wider study tackling the technology of Hispano‐Moresque tile production from several collections in the Iberian Peninsula. While showing many similarities, differences were identified between collections, regarding both chemical and morphological characteristics. The collection from the Mosteiro …
Wine Bottles From Lisbon
Two sets of wine bottles dated between the end of the 17th and the 19th centuries were characterized by means of μ-PIXE (major and minor elements) and LA–ICP–MS (trace and REE elements). The fragmented wine bottles were recovered from two archaeological contexts in Lisbon and reach a total of 79 fragments. One of the archaeological bottle sets comes from a house structure that collapsed during the major earthquake in 1755, providing a precise ter…
Ion Beam Analysis of Copper and Copper Alloy Coins
In recent years ion beam techniques have become more and more important since in most cases the analysis of copper and copper alloy coins has to be non‐destructive. It is therefore of interest to study the relative advantages of several nuclear methods for a certain type of metal. The results are presented here of a comparison between three non‐destructive ion beam techniques: particle induced X‐ray emission, proton activation analysis and fast n…
Estudio de botones de oro de la primera Edad del Hierro del Sudoeste de la Península Ibérica. Identificación de un taller metalúrgico de oro
Botones de oro pertenecientes a la primera Edad del Hierro, procedentes de Castro dos Ratinhos, Fortios e Outeiro da Cabeça (Portugal), fueron analizados por EDXRF y Micro-PIXE. Los resultados de los análisis por EDXRF mostraron una composición similar en todos los botones, independientemente de su procedencia. Por otra parte, los microanálisis por PIXE permitieron verificar que los componentes soldados de cada botón (disco, presilla y cordón ext…
Provenance studies on façon-de-Venise glass excavated in Portugal
The Cistercian glazed tiles of the Monastery of Alcobaça
The glazed tiles that paved the apse of the Monastery of St. Mary of Alcobaça were a rare decorative element in the most important part of this Cistercian construction. These medieval tiles, all monochromatic, are believed to be a thirteenth-century production and represent some of the first examples of tin-opacified glazed tiles in Christian Portugal. Although lead glazes have been extensively used in medieval pavements in North-Western Europe, …
First archaeometric study on medieval glass found in Beja (Southern Portugal)
During an archaeological intervention that took place in Beja (southern Portugal), at Avenida Miguel Fernandes, between August 2003 and March 2004, a set of 137 silos was discovered. The excavation yielded an assemblage of glass that can be dated between the fourteenth and the seventeenth centuries. For this investigation only the fragments from the medieval contexts were considered in order to provide an overview of the use of glass vessels in a…
Provenance studies of 18th century potassium-rich archaeological glass from Portugal
Colourless Roman glass from the Zadar necropolis
Una revisión de los discos de Fortios
Hemos empleado fluorescencia de rayos X por energía dispersiva (EDXRF), emisión de rayos X inducida por partículas (Micro-PIXE) y microscopía (análisis metalográfico), complementada con microscopia electrónica de barrido y espectroscopia de rayos X en energía dispersiva (SEM-EDS), primero para determinar el contenido elemental y segundo para identificar el proceso empleado para unir los componentes (disco, anillo periférico y presilla) de varios …
The Glaze Technology of Hispano‐Moresque Ceramic Tiles
For the first time, Hispano‐Moresque glazed tiles from Portuguese and Spanish collections were studied together and compared. This work is included in a wider study tackling the technology of Hispano‐Moresque tile production from several collections in the Iberian Peninsula. While showing many similarities, differences were identified between collections, regarding both chemical and morphological characteristics. The collection from the Mosteiro …
Wine Bottles From Lisbon
Two sets of wine bottles dated between the end of the 17th and the 19th centuries were characterized by means of μ-PIXE (major and minor elements) and LA–ICP–MS (trace and REE elements). The fragmented wine bottles were recovered from two archaeological contexts in Lisbon and reach a total of 79 fragments. One of the archaeological bottle sets comes from a house structure that collapsed during the major earthquake in 1755, providing a precise ter…
European Silver Sources from the 15th to the 17th Century
The circulation trading routes and the characterization of the silver metal used in the European continent in the 15–17th centuries are historical issues that are still open. This study aimed to bring an insight into the silver processed within a chronological framework in the Portuguese territory, relating the analytical data with the known historical information. This investigation developed on 230 high silver coins from two important Portugues…
Study of Iron Gall Inks, Ingredients and Paper Composition Using Non-Destructive Techniques
Old manuscripts are among the most important elements of the cultural and historical heritage of ancient knowledge. Unfortunately, many of them suffer from degradation, mostly those written with iron gall inks. In the present work, a study using non-destructive techniques was designed with the aim of analyzing the elemental composition and structural characteristics of iron gall inks, reproduced in laboratory, paper and their interaction when the…
Nanotechnology in Roman Opaque Red Glass from the 2nd Century AD. Archaeometric Investigation in Red Sectilia from the Decoration of the Lucius Verus Villa in Rome
This work aims to characterise the chemical composition of Roman opaque red glass sectilia dated to the 2nd century A.D and to shed light on Roman glassmaking production of different shades of red, from red to reddish-brown. Due to the lack of technical historical sources for this period many questions about technological aspects still remain. In this project a multi-disciplinary approach is in progress to investigate the red glass sectilia with …
The Composition of the São Brás Copper Hoard in Relation to the Bell Beaker Metallurgy in the South‐western Iberian Peninsula
A large ceramic vessel was discovered at São Brás (southern Portugal) containing a metallic hoard from the Chalcolithic/Early Bronze Age period. These weapons and tools were characterized by microanalytical techniques as being composed of copper with varying arsenic contents (2.2 ± 1.6 wt%) and minor amounts of lead, bismuth and iron. The collection shows a clear association between daggers and copper with a higher arsenic content, which can be e…
White on blue
Microanalytical study of copper ores from the Chalcolithic settlement of São Pedro (Portugal)
Copper ores recovered at the third millennium bce settlement of São Pedro, Portugal, were characterized by micro‐Raman spectroscopy, micro‐energy dispersive X‐ray spectrometry (micro‐ EDXRF) and micro‐particle‐induced X‐ray emission spectrometry (micro‐PIXE). The collection shows the common presence of secondary copper minerals (malachite, pseudomalachite and libethenite) combined with iron oxyhydroxides (hematite and goethite), while arsenic‐ric…
Christian-Muslim contacts across the Mediterranean
Glass mosaic decorations were used throughout the medieval Mediterranean as a powerful medium to convey religious and political agendas, yet we know next to nothing about the source of the materials and the transmission of the necessary technical know-how. Mosaics are generally considered a Byzantine art form, not least due to their prominence in Byzantine church architecture and because medieval Islamic textual sources assert that the glass tess…
Símbolos de estatus o una visión de los primeros momentos del Bronce Medio del suroeste
El reciente descubrimiento y excavación arqueológica de dos estructuras funerarias ubicadas en Horta do Pinheiro 5 (sur de Portugal) arrojan una nueva luz sobre los primeros momentos del Bronce Medio del suroeste. Estas estructuras, una fosa y un hipogeo, ambas asociadas con otra fosa, han permitido profundizar en el conocimiento de los rituales funerarios practicados en esa época. Las ofrendas funerarias recogidas en ambas estructuras destacan p…
An Overview of Germanic Grisailles through the Stained-Glass Collection at Pena Palace
The lack of studies reporting the characterisation of Germanic grisaille is evident, despite the recent interest of researchers in this glass painting material. This work consists of the first assessment of Germanic grisaille’ chemical composition on a wide chronology (14th–19th centuries), that was only possible through the unique stained-glass collection of King Ferdinand II of Portugal. From the considerable amount of panels produced in German…
Conventualidades
O e-book Conventualidades: Representações e vestígios do quotidiano é o resultado de um diálogo interdisciplinar e complementar sobre testemunhos da vida monástico-conventual que teve lugar em 2019, durante a VII edição da Residência Cisterciense no mosteiro de S. Bento de Cástris, em Évora. Os onze ensaios aqui apresentados cruzam várias áreas do saber, sendo tratados temas como as narrativas propiciadas pelos azulejos, os novos olhares sobre o …
In the quest for historical Lisbon through 17th century Millefiori glass
Chalcolithic copper production and use in the western end of the Iberian Peninsula
Provenance Studies of a Set of Pick-Up Glass Fragments Found in Portugal and Dated to the 17th Century
One of the most recognized decorations of the pick-up technique is the millefiori glass, which has been commonly attributed to Venetian production. However, Portugal is the country where the largest known assemblage of this type of glass artefact has been studied and published. In this work, two important archeological contexts were selected: (1) Santa Clara-a-Velha monastery (SCV) and (2) São João de Tarouca monastery (SJT). The fragments select…
Non-invasive analysis of faience necklace beads and scarabs from Late Bronze Age and Early Iron Age necropolises in southern Portugal
In this work, non-invasive techniques (XRD and microPIXE) were used to study 14 necklace beads associated with human inhumations from the Late Bronze Age (10th-9th century BC) hypogea of Monte da Ramada 1 (Aljustrel), from the Early Iron Age (7th-6th century BC) necropolises of Palhais (Beja), Montinhos 6 (Serpa) and Corte Margarida (Aljustrel), and a blue bead from the Orientalising settlement (8th century BC) of Quinta do Almaraz (Almada). Two …
Blue decoration on glass Objects
Cultural Heritage Materials Analysis (22 works) · Archaeology (19 works) · Building materials and conservation (14 works) · Geography (14 works) · Geology (14 works) · Materials Science (14 works) · Art (11 works) · X-ray Spectroscopy and Fluorescence Analysis (11 works) · Chemistry (10 works) · Metallurgy (10 works)