Marina González-Varas
Biographic Data
| ID | 72087 |
|---|---|
| NAME | Marina González-Varas |
| GIVEN NAMES | Marina |
| FAMILY NAME | González-Varas |
| SIGNATURE | GONZÁLEZ-VARAS M |
| AFFILIATIONS | Centre National de la Recherche Scientifique |
| ORCID | 0000-0001-9471-2487 |
| VERIFIED | Yes |
| TOTAL WORKS | 11 |
| TOTAL CITATIONS | 3 |
| AUTHOR COUNT | 11 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2023 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 1 |
Paiján Point Technology in Brazil? Morpho-technological Considerations on a Crystal Quartz Point
We report a Paiján-style crystal quartz projectile point from Ilha dos Moisés (São Francisco River, Northeast Brazil), far beyond the securely documented Andean range of Paiján technology and recovered from a surface palimpsest. Using diagnostic criteria, morphometrics, and technological comparison with the Peruvian reference series, we assess similarity at the artifact level. The specimen displays a pronounced apical “needle,” a convex-sided bod…
Technological Choices and Shape Variation of Unifaces from Middle Magdalena Valley, Colombia
Explorando adaptações tecnoculturais iniciais na Amazônia
Este artigo analisa o conjunto lítico da fase Girau do sítio Teotônio (alto rio Madeira, Rondônia, Brasil), um dos contextos mais importantes para o estudo das ocupações humanas iniciais na Amazônia sul-ocidental, datado do Holoceno inicial (~10.540 AP). Com base em 369 artefatos, majoritariamente em quartzo leitoso, a abordagem integra a cadeia operatória e a análise tecnoestrutural. A indústria caracteriza-se por núcleos unipolares simples, cad…
Microscopic Use-Wear Evidence for an Itaparica Uniface as a Hafted Multifunctional Tool
This report presents the results of a microscopic use-wear analysis on a unifacial tool from an Itaparica-like context at the Toca dos Coqueiros site, in Serra da Capivara National Park, Northeastern Brazil. The analysis focuses on evidence of hafting and multifunctionality. These artifacts, found in central and northeastern Brazil from the late Pleistocene to the early Holocene, are associated with the Itaparica technocomplex. We present evidenc…
De la forma a la estructura en tecnología lítica
Este artículo presenta una metodología de análisis tecnoestructural de artefactos líticos tallados cuyo objetivo es comprender cómo funcionaron en el pasado. Esta propuesta se basa en la premisa de que todo instrumento es un sistema estructurado compuesto por tres partes: transformativa, prensil y receptiva de la energía. Con la participación de estudiantes de diferentes niveles universitarios, se analiza un artefacto del conjunto lítico recupera…
Evidence of Blade Technology in the Peruvian Highlands
International audience
D modeling as a tool for Paiján artifact preservation, dissemination, and analysis
New Analysis of Unifacially Shaped Technology from the Tropical Lowlands of Colombia
The Middle Magdalena River Valley in central Colombia provides evidence of early human occupation between 13000 and 12000 cal BP during the global Younger Dryas period, characterized by mixed lithic industries involving both bifacial and unifacial technology. This article describes a unifacially shaped artifact discovered in the locality of Puerto Berrío, Antioquia, Middle Magdalena, central Colombia. Due to its high diagnostic value, a detailed …
Les techniques de numérisation 3D au service de l'analyse morphologique, technologique, structurelle et fonctionnelle des artefacts lithiques en Amérique du Sud tropicale
Les récentes avancées scientifiques ont transformé notre vision de la Préhistoire du Nouveau Monde, mettant en lumière l'importance des régions tropicales autrefois perçues comme hostiles. Les données culturelles, souvent reléguées à un second plan, ont pris une nouvelle dimension grâce à l'émergence de nouvelles hypothèses sur les dynamiques de peuplement à l'échelle continentale. Dans ce contexte, les techniques de numérisation 3D ont émergé co…
Early prehistory of South America and population dynamics
La recherche préhistorique du Pléistocène et de l’Holocène en Amérique du Sud
De la forma a la estructura en tecnología lítica
Este artículo presenta una metodología de análisis tecnoestructural de artefactos líticos tallados cuyo objetivo es comprender cómo funcionaron en el pasado. Esta propuesta se basa en la premisa de que todo instrumento es un sistema estructurado compuesto por tres partes: transformativa, prensil y receptiva de la energía. Con la participación de estudiantes de diferentes niveles universitarios, se analiza un artefacto del conjunto lítico recupera…
D modeling as a tool for Paiján artifact preservation, dissemination, and analysis
New Analysis of Unifacially Shaped Technology from the Tropical Lowlands of Colombia
The Middle Magdalena River Valley in central Colombia provides evidence of early human occupation between 13000 and 12000 cal BP during the global Younger Dryas period, characterized by mixed lithic industries involving both bifacial and unifacial technology. This article describes a unifacially shaped artifact discovered in the locality of Puerto Berrío, Antioquia, Middle Magdalena, central Colombia. Due to its high diagnostic value, a detailed …
Early prehistory of South America and population dynamics
La recherche préhistorique du Pléistocène et de l’Holocène en Amérique du Sud
New Analysis of Unifacially Shaped Technology from the Tropical Lowlands of Colombia
The Middle Magdalena River Valley in central Colombia provides evidence of early human occupation between 13000 and 12000 cal BP during the global Younger Dryas period, characterized by mixed lithic industries involving both bifacial and unifacial technology. This article describes a unifacially shaped artifact discovered in the locality of Puerto Berrío, Antioquia, Middle Magdalena, central Colombia. Due to its high diagnostic value, a detailed …
Les techniques de numérisation 3D au service de l'analyse morphologique, technologique, structurelle et fonctionnelle des artefacts lithiques en Amérique du Sud tropicale
Les récentes avancées scientifiques ont transformé notre vision de la Préhistoire du Nouveau Monde, mettant en lumière l'importance des régions tropicales autrefois perçues comme hostiles. Les données culturelles, souvent reléguées à un second plan, ont pris une nouvelle dimension grâce à l'émergence de nouvelles hypothèses sur les dynamiques de peuplement à l'échelle continentale. Dans ce contexte, les techniques de numérisation 3D ont émergé co…
Microscopic Use-Wear Evidence for an Itaparica Uniface as a Hafted Multifunctional Tool
This report presents the results of a microscopic use-wear analysis on a unifacial tool from an Itaparica-like context at the Toca dos Coqueiros site, in Serra da Capivara National Park, Northeastern Brazil. The analysis focuses on evidence of hafting and multifunctionality. These artifacts, found in central and northeastern Brazil from the late Pleistocene to the early Holocene, are associated with the Itaparica technocomplex. We present evidenc…
De la forma a la estructura en tecnología lítica
Este artículo presenta una metodología de análisis tecnoestructural de artefactos líticos tallados cuyo objetivo es comprender cómo funcionaron en el pasado. Esta propuesta se basa en la premisa de que todo instrumento es un sistema estructurado compuesto por tres partes: transformativa, prensil y receptiva de la energía. Con la participación de estudiantes de diferentes niveles universitarios, se analiza un artefacto del conjunto lítico recupera…
Evidence of Blade Technology in the Peruvian Highlands
International audience
D modeling as a tool for Paiján artifact preservation, dissemination, and analysis
Paiján Point Technology in Brazil? Morpho-technological Considerations on a Crystal Quartz Point
We report a Paiján-style crystal quartz projectile point from Ilha dos Moisés (São Francisco River, Northeast Brazil), far beyond the securely documented Andean range of Paiján technology and recovered from a surface palimpsest. Using diagnostic criteria, morphometrics, and technological comparison with the Peruvian reference series, we assess similarity at the artifact level. The specimen displays a pronounced apical “needle,” a convex-sided bod…
Technological Choices and Shape Variation of Unifaces from Middle Magdalena Valley, Colombia
Explorando adaptações tecnoculturais iniciais na Amazônia
Este artigo analisa o conjunto lítico da fase Girau do sítio Teotônio (alto rio Madeira, Rondônia, Brasil), um dos contextos mais importantes para o estudo das ocupações humanas iniciais na Amazônia sul-ocidental, datado do Holoceno inicial (~10.540 AP). Com base em 369 artefatos, majoritariamente em quartzo leitoso, a abordagem integra a cadeia operatória e a análise tecnoestrutural. A indústria caracteriza-se por núcleos unipolares simples, cad…
Pleistocene-Era Hominins and Archaeology (8 works) · Geography (6 works) · Archaeology and ancient environmental studies (5 works) · Archaeological and Geological Studies (4 works) · Archaeology (4 works) · Humanities (4 works) · Art (3 works) · Amazonian Archaeology and Ethnohistory (2 works) · Computer Science (2 works) · Evolution and Paleontology Studies (2 works)