Publications
A Comprehensive Seismic Monitoring of the Pillar Threatening the World Cultural Heritage Site Chauvet‐Pont d'Arc Cave, Toward Rock Damage Assessment
A novel quantitative method for assessing rock damage in heritage sites has been developed, offering crucial insights into the structural health of fragile geological features. The study focused on Abraham's pillar at the UNESCO World Heritage Site Chauvet-Pont d'Arc cave, monitoring its seismic response over two years to analyze elastic behavior influenced by weather conditions. By identifying the pillar's first two natural resonance modes and tracking their temporal evolution, researchers linked changes in resonance frequencies to air temperature and insolation. Thermo-acousto-elastic modeling revealed thermally-induced stress stiffening effects on the rock material, distinguishing between reversible processes and damage. This approach enhances risk assessment protocols for heritage sites, providing a foundation for conservation efforts amid climate change.
Chauvet-Pont d’Arc, grotte
The Chauvet-Pont d'Arc cave, discovered in December 1994 near Vallon-Pont-d'Arc in the Ardèche region of France, offers a unique glimpse into the lives and artistic expressions of early humans during the Upper Paleolithic period. This cave, now partially collapsed, was once a prominent feature on the left bank of a fossilized meander of the Ardèche River, making it highly visible to prehistoric inhabitants but later obscured as other caves in the valley became more frequented. The site is renowned for its intricate decorations and provides significant insights into the cultural practices and artistic capabilities of early human societies.
Temperature variations in caves induced by atmospheric pressure variations—Part 1: Transfer functions and their interpretation
Atmospheric pressure variations (APV) induce measurable temperature changes in cave environments, offering new insights into underground thermodynamics. This study reveals that the relationship between APV and air temperature—captured through transfer functions (TFs)—varies significantly with frequency, with modulus values ranging from 2 to 14 × 10⁻³°C/hPa at the barometric tide (S2, 12 h). Analysis of four French caves, including the UNESCO-listed Grotte Chauvet-Pont d'Arc with its prehistoric wall paintings, shows that while TFs exhibit pluriannual stability, seasonal variations can occur. An improved analytical model explains these TFs by incorporating factors like gas adiabatic compressibility, heat exchange with rock, and barometric pumping motion. The findings highlight the potential of APV-induced temperature variations as a tool for characterizing underground environments, relevant for cave heritage preservation and understanding coupled processes in the Critical Zone.
Temperature variations in caves induced by atmospheric pressure variations—Part 2: Unveiling hidden thermal signals
Researchers have uncovered subtle temperature signals in caves, as small as a few thousandths of a degree Celsius, which are obscured by atmospheric pressure variations. By subtracting the expected pressure-induced temperature (PIT) variations from observed data, the study identified human presence signals with relaxation periods exceeding several days and long-term cumulative effects. Additionally, non-stationary thermal processes such as transient air currents, infiltration, and evaporation-condensation were detected, exhibiting a scale-free amplitude spectrum. Notably, a weak but unambiguous peak at approximately 82.2 ± 0.8 minutes in Chauvet Cave suggests a Helmholtz-type resonance. These findings highlight the complexity of underground thermal dynamics, crucial for evaluating preservation strategies and resilience under climate change or artificial influences.
The genome and diet of a 35,000‐year‐old Canis lupus specimen from the Paleolithic painted cave, Chauvet‐Pont d'Arc, France
A 35,000-year-old coprolite from the Chauvet-Pont-d'Arc Cave, France, reveals insights into the diet and genome of an extinct wolf lineage. Radiocarbon dating confirmed its age aligns with Paleolithic artwork and cave bear remains in the site. High-throughput DNA sequencing identified canid DNA as dominant, alongside traces of the extinct cave bear, indicating the coprolite was from a wolf that consumed cave bear tissue. Mitochondrial genome analysis placed this wolf within an extinct European lineage closely related to coeval Belgian wolves, while nuclear genome data confirmed it was female and more closely affiliated with gray wolves than other wild canids or dogs. The study suggests that predation on cave bears likely drove the wolf's intrusion into deep cave sectors, offering new perspectives on the paleoecology of this significant UNESCO World Heritage Site.
The Skull Chamber in the Chauvet Cave
The Skull Chamber in the Chauvet Cave reveals an early architectural modification, where a cave bear skull was strategically positioned on a modified block. This arrangement suggests a deliberate attempt to enhance the chamber's performative potential, potentially serving as a precursor to theatrical spaces. The study examines how this space, part of a speleological parcours, was reconfigured to achieve specific symbolic or functional purposes during the Upper Paleolithic period.
A cryptotephra from the Upper Pleistocene volcanism of the Bas-Vivarais in the sedimentary infilling of the Chauvet-Pont d’Arc cave (Ardèche, France)
Researchers have identified a cryptotephra layer from the Upper Pleistocene volcanism of the Bas-Vivarais within the sedimentary infilling of the Chauvet-Pont d’Arc cave, Ardèche, France. This discovery provides evidence that humans inhabiting the region during the Aurignacian period (around 36,000 years ago) witnessed volcanic activity from the nearby Bas-Vivarais volcanic field. The cryptotephra, characterized by its heavy mineral assemblage including magnesian olivine, enstatite, and chromian diopside, suggests a phreatomagmatic eruption of a maar crater. Radiocarbon dating of the tephra layer aligns with the Aurignacian settlement and cave paintings, while argon-argon dating of nearby maar craters, such as Ray-Pic, supports this timeline. The study strengthens the hypothesis that volcanic phenomena were part of the landscape experienced by Upper Paleolithic humans in the region.
Dating the landscape evolution around the Chauvet-Pont d’Arc cave
A groundbreaking study has revealed that the Pont d'Arc natural arch, a prominent feature near the UNESCO World Heritage Site of Chauvet-Pont d’Arc cave in France, formed between 108 and 138 thousand years ago (ka). This discovery, derived from uranium-series and electron spin resonance dating techniques, predates the first known human presence in the Chauvet Cave by at least 24 thousand years. The research reconstructs a critical segment of the landscape surrounding the cave during the Upper Paleolithic period, offering insights into the physical and cultural context of one of humanity's earliest known artistic expressions. This finding challenges previous assumptions about the timing of landscape formation relative to human occupation, providing a deeper understanding of the interplay between natural geological processes and human activity in this significant archaeological site.
Jean-Jacques Delannoy & Jean-Michel Geneste (ed.). 2020. Atlas de la grotte Chauvet-Pont d'Arc: volume 1 de la monographie de la grotte Chauvet-Pont d'Arc. Documents d'archéologie française. Paris: Éditions de la Maison des sciences de l'homme; 978-2-7351-2533-3 hardback €180.
A groundbreaking atlas of the Grotte Chauvet-Pont d'Arc, published by Delannoy and Geneste in 2020, offers unprecedented insights into one of humanity's oldest known artistic sites. This volume, part of a comprehensive monograph series, reveals intricate details of cave art dating back approximately 36,000 years, including rare depictions of animals, hand stencils, and abstract symbols. The research employs advanced archaeological techniques such as high-resolution imaging, stratigraphic analysis, and cross-disciplinary collaboration to document the site's complex history and cultural significance. This atlas serves as a pivotal resource for understanding the cognitive and creative capabilities of early humans, providing a detailed map of the cave's artwork and geological context.
Jean-Jacques Delannoy y Jean-Michel Geneste (dirs.), Monographie de la grotte Chauvet-Pont d’Arc, 1, Atlas
A monumental four-volume monograph on the Grotte Chauvet-Pont d’Arc, a UNESCO World Heritage Site and one of Europe’s most significant Paleolithic art sites, introduces a groundbreaking visual atlas (Volume 1) that maps its geological, artistic, and archaeological richness with unprecedented precision. The first volume presents 21 large-scale (1:100) cartographic maps, leveraging GIS-based surveys to document every stalactite, rock formation, paint mark, charcoal trace, and significant anthropological or paleontological feature within the cave’s extensive network of chambers. This meticulous documentation, combined with high-fidelity color reproduction and detailed chromatic analysis, offers an unparalleled spatial and aesthetic understanding of Chauvet’s artistic and natural heritage. Directed by geomorfologist Jean-Jacques Delannoy and prehistoriian Jean-Michel Geneste—both pioneers in cave research—the work bridges geomorphological and anthropological perspectives, setting a new standard for interdisciplinary documentation of Paleolithic sites.
Atlas de la grotte Chauvet-Pont d’Arc. Volume 1
The decorated cave of Pont d'Arc, known as Grotte Chauvet-Pont d'Arc, contains some of the oldest known parietal representations, dated to around 36,000 years ago. This discovery has sparked international interest and prompted extensive conservation and multidisciplinary research efforts since its finding in 1994. The 'Atlas de la grotte Chauvet-Pont d'Arc' serves as an official monograph capturing two decades of research, offering a comprehensive spatial analysis of the cave's landscapes, archaeological remains, and symbolic expressions. Through rich iconography, including color illustrations and digital terrain models, the atlas provides novel insights into human activity, creativity, and symbolic expression in this prehistoric site. The publication combines traditional cartographic approaches with innovative spatial analyses, supported by detailed legends and summaries to ensure accessibility for an international audience.
Hydrogeological control on carbon dioxide input into the atmosphere of the Chauvet-Pont d'Arc cave
A 23-year monitoring of CO₂ concentration (CDC) in the Chauvet-Pont d’Arc cave reveals that hydrogeological factors—specifically water infiltration and vegetation density—primarily control atmospheric CO₂ levels. The study found two distinct cave compartments with varying CDC values, showing seasonal and long-term fluctuations linked to water excess and surface conditions. While seasonal ventilation was ruled out, transient water infiltration correlated with reduced CO₂ flux in the larger compartment (A), whereas a more constant flux persisted in the smaller compartment (B). Carbon isotopic analysis supported the relationship between water input and CO₂ dynamics. The findings highlight concerns for the preservation of cave paintings due to increased CDC variability, driven by both hydrogeological changes and vegetation growth above the cave.
Les Canidés (Canis, Cuon) de la grotte Chauvet Pont d’Arc : réflexions sur les données paléontologiques et ichnologiques
Paleontological and ichnological evidence from the Grotte Chauvet-Pont d'Arc (Ardèche) reveals that the wolf (Canis lupus) was the sole canid species present throughout most of the cave, with the exception of a specific zone near the Paleolithic entrance. This finding challenges previous assumptions about the diversity of canids in this UNESCO World Heritage Site. The study employed osteometric analysis of fossil samples and examination of footprints to draw these conclusions, providing new insights into the prehistoric fauna of the region.
“I have visited the Chauvet Cave”: the heritage experience of a rock art replica
Over 90% of visitors to the Cave of Chauvet 2, a physical replica of the UNESCO-listed Decorated Cave of Pont d'Arc (Grotte Chauvet-Pont d'Arc), reported an authentic heritage experience, with many experiencing hyperreality—a phenomenon where reality and simulation merge subconsciously. This study challenges traditional notions of authenticity in heritage sites by comparing physical replicas to digital reproductions, focusing on the visitor's perception rather than academic definitions. Researchers conducted interviews and observations at Chauvet 2 (2016–2017) to analyze how visitors engage with the replica, revealing its potential to evoke deep emotional and sensory responses akin to those of the original cave.
A high-precision chronological model for the decorated Upper Paleolithic cave of Chauvet-Pont d’Arc, Ardèche, France
A high-precision chronological model for the Chauvet-Pont d'Arc Cave reveals that its rock art and human activities date back to approximately 36,000 years ago, making it one of the oldest known decorated caves in Europe. This finding challenges previous assumptions about the timing of early human artistic expression. The study compiled over 250 radiocarbon dates from rock art, human activities, and bone remains, providing a detailed calendar-year timeline for both human and cave bear occupations during the Paleolithic period. By integrating multiple dating techniques and statistical modeling, researchers reconstructed the sequence of events that occurred in the cave, offering unprecedented insights into early human behavior and cultural practices.
Replication for Chauvet Cave
Chauvet Cave, discovered in 1994 and later designated a UNESCO World Heritage Site in 2014, holds some of the earliest known cave art, predating any previously recognized examples. The cave's wall paintings and engravings, which were initially celebrated as representing the 'Dawn of art,' were closed to the public in 1994 to protect them from chemical and microbial damage. In April 2015, replicas of the most striking imagery were opened at a purpose-built site, Caverne du Pont d'Arc, allowing for the preservation and study of the original cave while providing access to its artistic treasures.
An alternative chronology for the art of Chauvet cave
A re-evaluation of the chronology for the cave art at Grotte Chauvet-Pont d’Arc challenges the traditional dating, suggesting that the 'black series' charcoal drawings may not be as ancient as previously believed. This study argues against relying solely on radiocarbon assays and instead proposes an alternative timeline based on stylistic comparisons, paleontological evidence, and stratigraphic analysis. By integrating multiple lines of evidence, the authors aim to resolve long-standing debates about the age and significance of this UNESCO World Heritage Site's art, offering a more nuanced understanding of its historical context.
From Gesture to Myth: Artists’ techniques on the walls of Chauvet Cave
Chauvet Cave's decorated walls, dating back approximately 36,000 years, reveal a sophisticated and homogeneous artistic tradition. The cave's artworks, comprising charcoal drawings, red paintings, engravings, and finger-traced designs, are organized into distinct panels that exhibit formal diversity while sharing common themes and compositions. Ethological studies highlight the central role of cave lions in the artists' symbolic vision, providing insight into their myths and worldview. The research employs a survey of techniques used across three colors (white, black, red) and integrates 14C dating to model human use of the cave accurately. This approach confirms the antiquity of certain components, such as torch-marks and charcoal, attributed to the Gravettian period, while also emphasizing the coherence and continuity of Chauvet's artistic expression.
Against Chauvet-nism. A critique of recent attempts to validate an early chronology for the art of Chauvet Cave
A critical reassessment challenges the widely accepted early chronology for the art of Chauvet Cave, questioning whether its 'black series' charcoal drawings belong to the Early Upper Palaeolithic (Aurignacian) rather than the Mid and Late Upper Palaeolithic. The study argues that despite nearly two decades of debate, the original research team has failed to address key objections raised in peer-reviewed literature. Radiocarbon dating initially suggested an earlier date for these artworks, which would significantly alter our understanding of Upper Palaeolithic art development. This critique emphasizes the need for rigorous scientific validation and peer scrutiny to ensure accurate historical interpretations.
The social construction of caves and rockshelters: Chauvet Cave (France) and Nawarla Gabarnmang (Australia)
Caves and rockshelters, often perceived as naturally occurring spaces exploited by humans, are revealed to be dynamically shaped by human action with significant symbolic meaning. A study applying the concept of 'aménagement'—the reshaping of material space—demonstrates that both Chauvet Cave in France and Nawarla Gabarnmang rockshelter in Australia were intentionally modified. At Chauvet, fallen blocks were repositioned to enhance natural structures like The Cactus, while at Nawarla Gabarnmang, ceiling blocks and supporting pillars were removed and discarded. This challenges the notion of these sites as purely natural environments, illustrating their social construction through deliberate human intervention.
Further constraints on the Chauvet cave artwork elaboration
A groundbreaking study using 36 Cl Cosmic Ray Exposure dating reveals that the Chauvet cave, home to some of the oldest and most elaborate Palaeolithic artworks, underwent multiple cliff collapses between 29,000 and 21,000 years ago. These findings confirm that the cave's artwork predates previously established chronological benchmarks, challenging our understanding of human cognitive evolution during the Aurignacian and Gravettian periods. By integrating geological evidence with radiocarbon dates, researchers provide a robust timeline for human occupation and artistic expression in this UNESCO World Heritage Site.
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