• What was inside these pottery vessels 3,000 years ago?

In Peninsular Malaysia, researchers have found something unexpected preserved in prehistoric pottery: traces of milk.

A new study analysed 15 pottery fragments from three archaeological cave sites—Gua Cha, Gua Kajang and Gua Harimau—using techniques that can identify microscopic traces of foods absorbed into ceramics.

Among the substances detected were caseins and β-lactoglobulin, proteins found in milk. Their presence provides the earliest direct evidence yet reported for dairy processing in equatorial Mainland Southeast Asia, dating to around 3,000 years ago.

Archaeologists have long struggled to establish when farming and animal domestication became part of life in prehistoric Peninsular Malaysia. Unlike sites further north in Southeast Asia, clear evidence of early livestock management and cultivation has been difficult to find here, partly because animal bones and plant remains are often poorly preserved.

The milk proteins suggest that Neolithic communities were processing dairy products thousands of years ago. This does not necessarily mean they were raising dairy animals locally but it provides an important new piece of evidence for understanding food production and consumption in the region.

The researchers also identified traces of plant and animal foods, suggesting that these vessels were used for a variety of food-processing activities.

Reference
Goh et al. 2026. “Pottery residues provide earliest direct evidence for domestication and dairy processing in equatorial Mainland Southeast Asia.” Journal of Archaeological Science: Reports, 75, 106066.
10.1016/j.jasrep.2026.106066

#SoutheastAsianArchaeology #SEAArch #Archaeology #MalaysiaArchaeology #milk
  • FORTS, FINDS AND FAST BIKES! ⠀
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Archaeology isn
  • This week in Southeast Asian Archaeology:⠀
⠀
💀 What decades of funerary archaeology can tell us about the changing field of bioarchaeology in Indonesia.⠀
⠀
🏛️ Reconstructing the lost palaces of Lý dynasty Đại Việt—and what archaeology at Thăng Long reveals about their architecture.⠀
⠀
🙏 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⠀
⠀
An archaeological site doesn’t stop changing once the excavation ends.⠀
⠀
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.⠀
⠀
Also this week:⠀
⠀
🇵🇭 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.⠀
⠀
Caves, Communities and Cultural Memory⠀
Southeast Asian Archaeology Newsletter | 21–27 September 2026⠀
⠀
🔗 Link in bio / southeastasianarchaeology.substack.com⠀
⠀
#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.⠀
⠀
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.⠀
⠀
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.⠀
⠀
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.⠀
⠀
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
Wednesday, October 21, 2026
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Tracking down traces of Mataram kingdom

10 August 2007
in Indonesia
Tags: Balai Arkeologi D. I. YogyakartaBalai Pelestarian Cagar Budaya YogyakartabeadsceramicsJava (island)Mataram (kingdom)
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10 Aug 2007 (Jakarta Post) – An interesting article about the sultante of Mataram which existed during the 16th and 18th centuries, not to be confused with the kingdom of Mataram that existed in the 6th and 10th centuries.

Tracking down traces of Mataram kingdom

The 17th century Islamic kingdom of Mataram, under the leadership of Sultan Agung, used to be a major state known throughout the world. An inland kingdom located, Mataram still boasted a strong naval fleet.

Dutch national Jan Vos, who in 1924 visited Kerto Islamic Mataram — which still exists in Kerto, Pleret — wrote in his diary that Islamic Mataram, ruled by sultanic leadership, was a great and imposing kingdom.


In the diary — now kept in the Netherlands — Vos describes how he entered the royal compound through a vast, clean and neatly laid out park, believed to be an alun-alun, or the central town square. Vos then passed through the gate and only then was he able to meet Sultan Agung, who was sitting on the throne of the Charta (pronounced “kerta”) kingdom.

Vos noted that the Sultan possessed a large pond to be used by his navy for war exercises, and another pond that contained crocodiles as a show of power. Reportedly, a Dutch soldier was once caught and fed to the crocodiles as punishment.

Unfortunately, sources and literature on the grandeur of Islamic Mataram are very scarce. Meanwhile, archaeological sites and ruins of the kingdom are neglected, and some have been damaged as a result of local residents’ activities.

With the limited available information on the Kerto Islamic Mataram Palace, 20 officials from the Cultural Services office of Yogyakarta Special Region, the Center for Conservation of Archaeological Relics (BP3) and the Yogyakarta Archaeological Center excavated the royal site for remains that told of the glory of Kerto Islamic Mataram.

The excavation’s field coordinator, Rully Andriadi, said that the first stage of the excavation, from early May to June 5, was focused on a 0.5 hectare plot of land in Kerto hamlet. The area is thought to have been the siti inggil — forecourt — of the palace.

Various historical objects have been found among the 30 excavation boxes filled during the dig. The team also found a structure of andesite stones to the south that resembled steps, possibly part of the rear entrance to the building.

“Based on a provisional analysis, the building where we are excavating used to be the Sitihinggil of Kerto Islamic Mataram Palace under the rule of Sultan Agung,” Rully said.

Surface archaeological finds the team has discovered so far are two large umpak, or holes where columns once stood. Other finds from this site include broken Chinese ceramics as well as a number of beads and such small fragments of the past.

Archaeologist Sofwan Noerwidi of the Yogyakarta Archaeological Center added that his team had also found a mosque in the southwestern corner of the site, as well as a tomb.

Sofwan said the palace complex consisted of several structures: forecourt, royal garden, theater, town square, mosque, the central palace and an artificial pond. It is estimated that Kerto Mataram palace during Sultan Agung’s reign spanned 30 hectares.

The hamlets around the site also are named after the areas of the former palace: for example Petambak hamlet, named after a fishpond that may have once stood there; and Pungkuran hamlet, after a rear garden, perhaps where the sultan took his rest. There is also Segoroyoso, from segoro meaning “sea” and yoso for “engineering”, and which is believed to the location where the Mataram navy held its exercises.

Rully said that from June 11 to July 14, his team was to proceed with the second stage of the excavation, which was to focus on the Islamic Mataram palace located in Pleret, Bantul, to where the seat of the Mataram kingdom was moved from Kerto.

“However, we have found a structure for which we have yet to establish a connection, so we decided to continue with the second excavation in Kerto,” he added.

According to Rully, this structure is believed to be the foundation of the forecourt.

In its spatial layout, the Islamic Mataram palace is the same as that of Yogyakarta Palace: in the northernmost part of the compound is the alun-alun, to its south the forecourt, from where one enters the palace proper; to the east of the compound stands a mosque.

“The spatial layout is precisely the same between Islamic Mataram and Yogyakarta (palaces),” said Rully.

During this second stage, Rully’s team discovered a tomb presumed to be that of the great Mataram ulema.

“The mosque was also discovered, but its original shape has been lost because it was renovated by local residents,” he said.

According to historical records, the seat of the Islamic Mataram kingdom was moved constantly. The kingdom was established in 1584 by Sutawijaya, who later bore the title of Prince Senopati, and he was succeeded by Prince Jolang.

In 1940, during the reign of the third Mataram king, Sultan Agung, the royal seat was moved to present-day Kerto hamlet in Pleret, Bantul. Agung’s successor, Amangkurat I, moved it to Pleret, then again to Kartosuro.

Finally, the royal seat was moved to Surakarto before the Islamic Mataram kingdom was split in two — Yogyakarta and Surakarta — following the signing of the Gianti treaty.

Among locals, the site of the Kerto kingdom is known as lemah dhuwur because the land (lemah) at the site sits higher (dhuwur) than the rest of the area. But the land is not a natural hill, and archaeologists think this location was deliberately covered and so became elevated. Ashes and remnants of burnt objects have been found to the southwest, indicating the plausibility of this theory.

The scarcity of surface data at the Islamic Mataram site is explained by the activities of the locals, who are yet to understand the significance of historical objects and ruins. Some local residents have used parts of ruins in constructing the steps of a wudlu (area for ablution) while others have dug up the site to make brick-making molds.

However, the blame cannot be laid entirely on local residents, and the government must continue to raise public awareness on the significance of historical objects and sites.

Rahayu, who lives near the Kerto Islamic Mataram site, said some residents were ignorant of the site’s existence.

“Locals even use the soil in the area for brick-making,” she said.

Part of the site, Rahayu added, was preserved well because residents felt it was haunted.

“They believe a kind of djinn lives there, and this location always used to be dark until several people honored it,” she said.

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