• This week in Southeast Asian Archaeology:⠀
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💀 What decades of funerary archaeology can tell us about the changing field of bioarchaeology in Indonesia.⠀
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🏛️ Reconstructing the lost palaces of Lý dynasty Đại Việt—and what archaeology at Thăng Long reveals about their architecture.⠀
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🙏 Two devas at Angkor Thom’s Victory Gate get their heads back, complete with an “eye-opening” ceremony.⠀
⠀
🪨 And the Singapore Stone has become Stoney, an absurdly adorable plushie - I want one.⠀
⠀
All that and much more in this week’s Stones, Skeletons and State Rooms.⠀
⠀
#SoutheastAsianArchaeology #Indonesia #Vietnam #Cambodia #Singapore
  • 🏺 CAVES, COMMUNITIES AND CULTURAL MEMORY⠀
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An archaeological site doesn’t stop changing once the excavation ends.⠀
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This week, we look at Ban Chiang through the memories of the people who live there, and at Sri Mahosot, where an ancient landscape remains part of contemporary worship and community identity.⠀
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Also this week:⠀
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🇵🇭 Rescue archaeology at a cave in Romblon⠀
🇮🇩 A possible Kadiri-era site in East Java⠀
🇻🇳 A new forest-and-heritage trail at Mỹ Sơn⠀
🇰🇭 Angkorian Buddhist sculpture⠀
📢 SPAFACON 2027 call for abstracts⠀
💼 New archaeology and heritage jobs⠀
💰 Grants, fellowships and PhD opportunities⠀
⠀
…plus archaeology and heritage stories from across Southeast Asia.⠀
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Caves, Communities and Cultural Memory⠀
Southeast Asian Archaeology Newsletter | 21–27 September 2026⠀
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🔗 Link in bio / southeastasianarchaeology.substack.com⠀
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#Archaeology #SoutheastAsianArchaeology #SoutheastAsia
  • One river in northern Vietnam has yielded a remarkable record of more than 2,000 years of boatbuilding.

From the bed of the Kinh Thầy River at Cầu Bình, researchers documented 23 boat remains, including eight virtually complete logboat hulls and fragments of bows, sterns and planks. Radiocarbon dates place most of them between roughly 700 BCE and 1500 CE. 

Many hulls showed signs of sophisticated work beyond simply hollowing out a tree trunk. The hulls could be widened during manufacture, while wooden thwarts or bulkheads helped maintain their expanded shape. Some boats also carried additional boards along their upper edges, attached through holes with fibre lashings.

Around 2,000 years ago, during the late Đông Sơn and Han periods, several examples reveal another solution: mortise-and-tenon joints locked with wooden dowels. One boat even combined these joints with lashing holes. In later centuries, other Cầu Bình boats were built without this particular system.

This shows that over 2,200 years, boatbuilders used, combined and abandoned different solutions while continuing a long tradition of wooden river craft in the northern Red River Delta.

Reference
Bellwood, Nguyễn, , Lê, Hung, & Calo. 2026. “A 2,200-Year Logboat Sequence (700 BCE–1500 CE) from the Northern Red River Delta, Vietnam.” International Journal of Nautical Archaeology.
DOI: 10.1080/10572414.2026.2717219

#VietnamArchaeology #SoutheastAsianArchaeology #MaritimeArchaeology #NauticalArchaeology #RedRiverDelta
  • 🏺 Palaces, Pots and Porcelain⠀
⠀
Xin Chào! 🇻🇳 It’s a very Vietnam-heavy week in Southeast Asian archaeology: imperial palaces, ceremonial architecture, ancient brick tombs, early tile kilns, Cham heritage and the return of a Đông Sơn bronze drum.⠀
⠀
🔬 New research from Malaysia finds molecular evidence for dairy processing around 3,000 years ago.⠀
⠀
🏺 And in the Philippines, some very unusual earthenware decorated with fragments of Chinese porcelain tells a story about Manila, material culture and the early colonial encounter.⠀
⠀
There’s plenty more from around Southeast Asia in this week’s newsletter.⠀
⠀
Palaces, Pots and Porcelain — read via the link in bio.⠀
⠀
#Archaeology #SoutheastAsianArchaeology #VietnamArchaeology #MalaysiaArchaeology #PhilippineArchaeology
  • A 4.38-metre-long wooden rudder from the west coast of Sumatra is providing a rare glimpse of Southeast Asian seafaring around 1,300 years ago.

The rudder was recovered at the Bongal Site in Central Tapanuli, North Sumatra. Today the site lies inland, but geomorphological research suggests that in the 7th–8th centuries CE it was part of a shallow bay or estuarine environment.

The quarter rudder was carved from a single log and measures 4.38 metres long. Radiocarbon dating of the wood produced a calibrated date of 656–687 CE, making it the earliest securely dated rudder currently known from Southeast Asia.

Researchers also documented hull planks with raised wooden lugs, dowels and surviving palm-fibre ropes. These suggest that parts of these boats were pegged and tied together—a construction method archaeologists call the Southeast Asian lashed-lug tradition. Differences between the surviving planks even suggest that several vessels may have been present. 

Bongal also produced ceramics, glass, beads and coins pointing to connections with much wider exchange networks. The researchers do not argue that the Bongal boats themselves were making long-distance voyages across the Indian Ocean, but propose that locally constructed vessels formed part of a regional maritime network, moving through rivers and along Sumatra’s coast and connecting communities there to broader systems of exchange.

Reference
Mochtar et al. 2026. “Lashed-Lug Boats from the Bongal Site: New Evidence for Early Maritime Networks on the West Coast of Sumatra.” International Journal of Nautical Archaeology.
10.1080/10572414.2026.2714901

#SoutheastAsianArchaeology #Indonesia #Sumatra #MaritimeArchaeology #NauticalArchaeology
  • Betel, Boats and Border Stones is this week’s Southeast Asian Archaeology Newsletter.⠀
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This issue starts with a fascinating new paper on ancient teeth from South Sulawesi, where unusual dental wear may point to the habitual sucking of whole areca nuts by pre-agricultural foragers.⠀
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Then we move from teeth to timbers: lashed-lug boat remains from Bongal on Sumatra’s west coast, including a 7th-century quarter rudder, add new detail to Southeast Asia’s early maritime networks.⠀
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And yes, there are more boats: Phanom Surin in Thailand and the Butuan boat sites in the Philippines both make appearances this week.⠀
⠀
Plus: Preah Vihear, Koh Ker, Prambanan, Đông Sơn drums, repatriation, digital heritage, and more.⠀
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Read the full issue at the link in bio.⠀
⠀
#SoutheastAsianArchaeology #Archaeology #MaritimeArchaeology
  • People in Sulawesi may have been habitually using a neuroactive plant as far back as 25,000–16,000 years ago.

A new study in Science Advances examines two preagricultural foragers from South Sulawesi, Indonesia, separated by thousands of years but sharing an unusual dental pattern: deep, rounded, circumferential wear that does not match ordinary chewing. The researchers argue that the wear formed through repeatedly holding, sucking or gently gnawing a small, hard object in different parts of the mouth. 

Using LC-MS, the team detected arecoline—a characteristic alkaloid of areca, or “betel”, nut—in dental samples from both individuals. One came from Leang Bulu Bettue and dates to 25–16 ka; the other, from Leang Cappalombo 1, is associated with deposits dating to around 7.6–6.3 ka. 

This was probably not betel chewing in the form familiar today. Modern betel quid typically combines processed areca nut with slaked lime and other ingredients. To test whether a simpler practice was plausible, the researchers soaked intact areca nuts and applied the resulting solutions to cells expressing human receptors. The experiments showed that intact nuts could release physiologically active arecoline without slaked lime. Combined with the dental wear, chemical residues and experiments support the authors’ interpretation that these foragers habitually sucked whole areca nuts.

For now, the sample is just two individuals, and psuggestions that the nuts were used for stimulation, pain relief or medicinal purposes remain hypotheses. What the study does show is that habitual neuroactive plant use may reach far deeper into the hunter-gatherer past than the archaeological record had previously demonstrated. 

Reference
Brumm et al. 2026. “Betel nut sucking is the earliest recorded evidence for the habitual use of a neuroactive plant drug.” Science Advances.
10.1126/sciadv.aei1901

#SoutheastAsianArchaeology #Sulawesi #IndonesiaArchaeology #Prehistory #BetelNut
  • Twenty-two small beads can preserve the traces of a much larger world of movement and exchange.

A new archaeometric study examines beads excavated in 2023 at Khok Phithak, within the ancient city of Khu Bua in Ratchaburi, central Thailand. Khu Bua was an important urban centre associated with the Dvaravatī cultural sphere, enclosed by earthen ramparts and moats and situated within the Mae Klong river system. 

The researchers analysed 21 glass beads and one chalcedony/agate bead, combining microscopic observations with VP-SEM-EDS, LA-ICP-MS and micro-Raman spectroscopy. Manufacturing traces—including axial colour streaks and elongated bubbles—indicate that most of the glass beads were made by drawing glass into tubes or canes before cutting them into individual beads. 

Their chemistry indicates that nineteen beads belong to the m-Na-Al-1 glass subgroup, consistent with glassmaking traditions documented in South Asia, particularly the wider technological sphere of southern India and Sri Lanka. Together with their manufacturing technique, the authors associate these beads with the large-scale Indo-Pacific beadmaking tradition. 

However, one blue bead, B014, is made from plant-ash soda–lime glass with a broad western Asian affinity—although the study cannot identify a specific production centre. Another remarkable bead, B007, appears to have been wound from recycled iron-smelting slag, suggesting an entirely different production history.

Rather than evidence for primary glassmaking at Khu Bua itself, the authors interpret the assemblage as reflecting an inland centre of consumption and possibly redistribution, connected through maritime and riverine networks to much wider systems of Indian Ocean exchange. 

Reference
Risteka et al. 2026. “Production Technology and Provenance of Dvaravatī Glass Beads from Khu Bua, Central Thailand: An Archaeometric Study.” Heritage 9, 347.
10.3390/heritage9090347

#SoutheastAsianArchaeology #ThailandArchaeology #Dvaravati #KhuBua #ancienttrade
  • Small finds, big stories this week.⠀
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The latest Southeast Asian Archaeology newsletter focuses on Thailand, with newly reported rock art, worrying news of looting, and two new papers showing what archaeological science can reveal from humble materials.⠀
⠀
One study looks at prehistoric pottery from Don Up Mung in Nong Bua Lamphu, tracing differences in clay composition, firing and production choices. Another follows glass beads from Khu Bua in Ratchaburi into the wider world of South Asian glassmaking and Indian Ocean exchange.⠀
⠀
Also: a LOT of opportunities this week — jobs, scholarships, courses and calls for papers.⠀
⠀
Link in bio⠀
⠀
#SoutheastAsianArchaeology #Archaeology #CulturalHeritage #ArchaeologicalScience
  • Can inscriptions help reconstruct how a kingdom expanded across a landscape?

King Citrasena (Chitrasen, later known as Mahendravarman) ruled Chenla in the late 6th to early 7th centuries, during a period when Chenla’s influence was extending across parts of what are now Cambodia, Laos and northeastern Thailand. His reign is known partly through inscriptions recording religious foundations, royal achievements and other acts of authority. 

Pailoplee and Khatshima map 21 inscriptions from at least 19 locations associated with Citrasena, and asked if people were moving between these places, which routes would they have taken? To explore this, they use Least Cost Path (LCP) modelling in a GIS. LCP calculates routes that minimise the “cost” of movement across terrain.

In archaeology, this can help identify plausible corridors shaped by features such as slopes, river valleys and mountain barriers. These models show how movement could have been structured by the landscape under the assumptions of the model.

Across several scenarios, the reconstructed paths repeatedly concentrate around major river systems—especially the Mun River—and particular passes through the Phnom Dong Rek (Dangrek) mountain range. The authors also compare the modelled network with archaeological sites attributed to Citrasena’s period, many of which fall along these reconstructed corridors.

Where river navigation would have been difficult (such as the Khone Phapheng Falls), the authors propose that Citrasena’s forces may instead have moved overland along riverbanks, using waterways as natural guides through the landscape.

The placement of several inscriptions near river confluences also suggests that these locations may have been important for controlling movement, communication and exchange, not simply access to water.

Reference
Pailoplee, S. & Khatshima, K. 2026. “The role of King Chitrasen (Mahendravarman) in the expansion of the Chenla Kingdom: A study of inscriptions and historical geography.” Social Sciences & Humanities Open 14, 103503.
10.1016/j.ssaho.2026.103503

#SoutheastAsianArchaeology #Cambodia #Thailand #Laos #Chenla
Monday, October 12, 2026
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[Paper] Narrative cave art in Indonesia by 51,200 years ago

3 July 2024
in Indonesia
Tags: Leang Karampuangresearch papersrock artSouth Sulawesi (province)Uranium Series Dating
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Leang Karampuang rock art. Source: Adhi Agus et al. 2024

Leang Karampuang rock art. Source: Adhi Agus et al. 2024

via Nature, 03 July 2024: Boom! I was told about these new dates some weeks ago but I couldn’t share it to anyone yet. A new paper by Adhi Agus et al. using laser-ablation U-series imaging has re-dated the cave art at Maros-Pangkep, Sulawesi, to over 51,200 years ago. This makes it the earliest known example of narrative and representational art, depicting human-animal interactions, significantly predating similar European art. Congrats to the team for this brilliant discovery!

Previous dating research indicated that the Indonesian island of Sulawesi is host to some of the oldest known rock art1,2,3. That work was based on solution uranium-series (U-series) analysis of calcite deposits overlying rock art in the limestone caves of Maros-Pangkep, South Sulawesi1,2,3. Here we use a novel application of this approach—laser-ablation U-series imaging—to re-date some of the earliest cave art in this karst area and to determine the age of stylistically similar motifs at other Maros-Pangkep sites. This method provides enhanced spatial accuracy, resulting in older minimum ages for previously dated art. We show that a hunting scene from Leang Bulu’ Sipong 4, which was originally dated using the previous approach to a minimum of 43,900 thousand years ago (ka)3, has a minimum age of 50.2 ± 2.2 ka, and so is at least 4,040 years older than thought. Using the imaging approach, we also assign a minimum age of 53.5 ± 2.3 ka to a newly described cave art scene at Leang Karampuang. Painted at least 51,200 years ago, this narrative composition, which depicts human-like figures interacting with a pig, is now the earliest known surviving example of representational art, and visual storytelling, in the world3. Our findings show that figurative portrayals of anthropomorphic figures and animals have a deeper origin in the history of modern human (Homo sapiens) image-making than recognized to date, as does their representation in composed scenes.

Source: Narrative cave art in Indonesia by 51,200 years ago

See also:

  • Dreamlike pig-hunting scene is the world’s oldest figurative art | Science, 03 Jul 2024
  • World’s oldest cave art found showing humans and pig | BBC, 03 Jul 2024
  • Found in a cave in Indonesia, we can now show the world’s oldest figurative art is 51,200 years old | The Conversation, 03 Jul 2024
  • World’s oldest cave painting in Indonesia shows a pig and people | Reuters, 03 Jul 2024
  • 50,000-year-old picture of a pig is the oldest known narrative art | New Scientist, 03 Jul 2024
  • Mysterious 52,000-year-old image unearthed inside tropical island cave | Yahoo News, 03 Jul 2024
  • A 51,200-Year-Old Cave Painting Might Be the World’s Oldest Narrative Art | Mental Floss, 03 Jul 2024
  • Oldest Narrative Rock Art Discovered With Mind-Blowing Age Of 51,200 Years | IFL Science, 03 Jul 2024
  • Cave painting in Indonesia is the oldest known ‘picture story’ | Griffith University, 04 Jul 2024
  • Oldest example of figurative art found in Indonesian cave | The Art Newspaper, 04 Jul 2024
  • 51,000-Year-Old Cave Art in Indonesia Is the World’s Oldest Figurative Art | My Modern Met, 04 Jul 2024
  • Oldest picture story found in Indonesian rock art | Cosmos, 04 Jul 2024
  • ‘Oldest such evidence’: Surprising discovery in Indonesian cave | News.com.au, 04 Jul 2024
  • World’s oldest artwork discovered in Indonesian cave | Al Jazeera, 04 Jul 2024
  • BRIN Finds 51,200-year-old Cave Paintings, The Oldest in Indonesia | Tempo, 04 Jul 2024
  • 51,000-year old cave painting oldest evidence of storytelling | Al Mayadeen, 04 Jul 2024
  • Indonesia: 51,200-year-old painting of pig, humans declared world’s oldest | Interesting Engineering, 04 Jul 2024
  • Oldest known painting discovered in Indonesian cave | Moree Champion, 04 Jul 2024
  • World record for oldest ‘picture story’ broken by discovery of Indonesian cave painting | Euro News 04 Jul 2024
  • Oldest storytelling art discovered in Indonesian cave | Borneo Bulletin, 04 Jul 2024
  • Oldest known picture story is a 51,000-year-old Indonesian cave painting | The Guardian, 04 Jul 2024
  • A cave drawing of two humans and a pig is the world’s oldest known narrative art | CNN, 04 Jul 2024
  • Indonesian Cave Painting Is Oldest-Known Visual Storytelling | The Smithsonian, 05 Jul 2024
  • World’s Oldest Known Cave Painting, Featuring a Mysterious Pig, Found in Indonesia | ArtNews, 05 Jul 2024

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