A Quanzhou Wreck Reading, c. 1271–1277 CE
David B. Alexander · daveswavecave.com · May 2026
A foreword on what this is
This piece reads a thirteenth-century Fujian seagoing junk at the depth of its actual construction — what the wood was, how the bulkheads were joined, what kept the seams watertight, how the anchors held in the seabed, who built it and who sailed it and who loaded its holds. The Quanzhou ship, recovered from the mud of Houzhou Harbor in 1973–1974 and now held at the Quanzhou Maritime Museum, is the single best preserved example of an oceangoing Chinese trader from the Song-Yuan transition. The cave walks the ship at depth.
The voice the cave aims at here is the same one Edward Schafer found for The Vermilion Bird (UC Press, 1967) — a person who has stood in the place and seen what is there, with the engineering folded inside the seeing. A reader who has never read a book on naval architecture should be able to follow what the Fujian shipwrights did and why they did it. A reader who has should find it accurate.
The intersectional framework the cave's shelf has been operating with — Kimberlé Crenshaw, Patricia Hill Collins, María Lugones, Oyèrónké Oyěwùmí, named at depth in the cave's Substrate Beneath Min paper — runs through this piece without sidebar. The Quanzhou ship was built by people the imperial archive mostly does not name, sailed by mixed crews from many ports speaking many languages, loaded and unloaded by men and women whose labor produced the trade the documentary record then credits to merchants and captains. Reading the ship directly means seeing all those hands.
Citations live at the foot of the piece in a References block. Every named scholar and dated study has been verified.
A note on collaboration. The piece has been built jointly with the AI Claude. The framework, the reading, and the watershed-substrate articulation are the cave's. The prose has been built jointly. Claude drafts. The cave revises and corrects.
What was found in the mud
Houzhou Harbor (后渚港) sits about ten kilometers downstream from the historical core of Quanzhou — the city the Arab and Persian sources called Zaytun, the Latin sources Çayton, the Chinese sources alternately Quanzhou or Citong (after the citong trees, Erythrina variegata, that flowered red along the harbor approaches and made the port recognizable from the sea). In 1973, a dredging crew activity a canal in the harbor struck wood two or three meters below the mudline. The local archaeologist Zhuang Weiji (庄为玑, 1909–1991), professor of history at Xiamen University, took charge. Excavation ran through the summer of 1974.
What came up out of the mud was the lower half of a wooden hull. The upper portion — everything above the original waterline — had been eaten by bacteria and worms across the seven centuries the wreck had lain in the harbor. What survived was protected by the anaerobic mud: the keel, the lower hull planking, the bulkheads up to roughly the waterline, and a substantial portion of the cargo and small finds in the lower compartments. The preserved hull measured 24.2 meters long by 9.15 meters wide. Reconstructions accounting for the missing bow, stern, and superstructure put the original ship at around 34 meters long with a beam to 10 meters — a substantial oceangoing trader by any pre-modern standard, comparable in size to the larger contemporary European cogs and to the Arab-Indian dhow types of the period.
The dating evidence: 504 copper coins came up from inside the hull, of which 70 dated to the Song dynasty. The most recent coin had been minted in 1272. Combined with the broader artifact assemblage and a wooden tally inscribed Nán Jiā (南家, southern family, suggesting registry under one of the imperial princely households of the Southern Song court at Hangzhou), the wreck dates to approximately 1271–1277 — the final years of the Southern Song as the Mongol Yuan was completing its conquest. Whether the ship was a homeward-bound trader caught up in the dynastic chaos, deliberately scuttled to keep her cargo from Mongol hands, or simply lost in ordinary mishap, the evidence does not finally tell. What survived gives us a functional seagoing junk caught at the moment her trading life ended.
The keel
A ship begins at the keel — the long heavy timber that runs the length of the hull along the bottom and gives the whole structure its backbone. Everything above it attaches to it. If the keel is not right, nothing else can be made right.
The Quanzhou keel was made in three pieces, scarfed end to end, with the central member 12.57 meters long and made of camphor wood (Cinnamomum camphora, 樟). Camphor is the choice the southern Chinese shipbuilding tradition has reached for whenever camphor was available, and the choice is not arbitrary. The wood is moderately dense, heavy enough to give the keel substantial ballast at the bottom of the hull but light enough to work with hand tools. It contains its own oils — camphor itself, plus a broader family of aromatic compounds — and these oils are what make the wood almost uninteresting to the marine creatures that destroy other woods at sea. Teredo navalis, the shipworm that has taken down so many wooden ships across history, will not eat camphor. The wood-boring isopods that go to work on tropical hulls leave camphor mostly alone. A camphor keel will outlast a pine or fir keel by decades in warm Asian waters. The Fujian shipwrights had figured this out long before the wreck of the Quanzhou ship was launched, and they used camphor whenever they could get it.
The three keel pieces were joined by mortise-and-tenon and locked with iron nails. The forward and aft sections rose toward the stem and the sternpost — both lost to decay above the waterline — and the central section ran flat under the main body of the hull. Cut into each side of the keel, along its full length, was a long groove, the rabbet, into which the lowest plank on each side of the hull (the garboard strake) sat down and was fastened. This is how a wooden hull begins: keel laid, garboard strakes set into the rabbet, then plank by plank, course by course, the hull rising out of the keel like a ribcage growing.
The planking
The hull above the keel was many planks thick. Not just one layer of planks, as a European cog or a Mediterranean galley of the same period would have had, but two layers in some places and three layers in others — a composite hull, with the layers running at different angles to each other so that any single failure of any single plank could not breach the hull through to the inside. Fourteen planks rose on the port side at the recovered levels; sixteen on the starboard side. Above the surviving section the hull rose another six to ten plank courses to the original gunwale, all of that lost to decay.
The way adjacent planks meet at the seam — what shipwrights call the strake joinery — is where the Fujian tradition shows what it knows. A careful study of the wreck by Jeremy Green and Nick Burningham, working out of the Western Australian Maritime Museum across four research visits to Quanzhou between 1983 and 1994 (Green 1983; Green and Burningham 1998), identified four distinct kinds of seam at different positions on the hull. Half-lap, where each plank's edge is cut back halfway through its thickness so the two cut edges nest together flat. Ship-lap, similar but with the cut surface running along an inclined plane rather than perpendicular. Carvel, where the plank edges meet flush and a soft material is pressed into the seam. Lapstrake — also called clinker — where the upper plank overlaps the lower one, the lower edge of the upper sitting on the upper edge of the lower. The Fujian shipwrights chose which seam type to use at each position on the hull according to what each part of the hull had to do. The lower hull, where bending stresses and water pressure are heaviest, used the strongest seams — half-lap and ship-lap, locked with iron clamps. The upper hull, where the loads are lighter, used the simpler seams.
Iron held everything together. Iron nails forged specifically for ships — square-shanked, tapered to a point, driven through pilot-holes into the underlying frames and bulkheads. Iron clamps (guā jū 掛鋸) hammered across seams to lock adjacent planks. Some bamboo or rattan dowels at certain joints. The choice of iron over the lashed-construction tradition of Southeast Asia — where ships of the same period were sewn together with palm fiber rather than nailed with iron — is a deliberate choice that distinguished the Chinese tradition from the Austronesian one, and it is what Marco Polo and Ibn Battuta both noticed and remarked on when they saw Chinese ships being built. The nail count on a vessel the size of the Quanzhou ship would have run into the thousands. Every nail was forged at a Fujian smithy by men whose names are not recorded.
The bulkheads
Now the feature the Quanzhou ship is most famous for. The hull was divided across its length by twelve transverse wooden walls, dividing the interior into thirteen separate compartments. Each wall — cāng bì 艙壁 in Chinese, bulkhead in English — ran across the full beam of the hull at right angles to the keel, from the keel up to the deck.
The bulkhead construction was substantial. Vertical planks twelve to fifteen centimeters thick, joined edge to edge with mortise-and-tenon, reinforced with diagonal stiffener boards that prevented the bulkhead from racking sideways under the stress of the hull construction in heavy seas. Each bulkhead sat down into a groove cut into the hull planking on both sides, was sealed with the chunam compound that the next section will describe, and was nailed in place from the hull side with iron nails driven into the bulkhead edge. At the keel, the bulkhead met a longitudinal timber called the keelson sitting on top of the keel. At the deck, the bulkhead tied into the deck beams running fore-and-aft.
What this arrangement gave the ship was something close to but not quite the modern naval-architecture concept of a watertight subdivision. Marco Polo, writing in the late thirteenth century, described Chinese junks as having watertight compartments that could keep a damaged ship afloat by limiting flooding to a single compartment. Ibn Battuta, writing in the 1340s, described the same feature. Both of them were correct in essence but slightly off in detail. The actual archaeological evidence — what Green and Burningham measured, what Kimura confirmed in his 2016 chapter on the ship in Archaeology of East Asian Shipbuilding (University Press of Florida) — shows that the bulkheads on the Quanzhou ship had limber holes: small openings cut into each bulkhead at the very lowest point, so that bilge water could flow from compartment to compartment along the bottom of the hull and be pumped out from a single point at the lowest spot. The compartments were not absolutely sealed.
This matters for understanding what the Fujian shipwrights were actually doing. They were not going for absolute watertight integrity (which is a modern concept tied to modern damage-control doctrine). They were going for fault tolerance — for making sure that if the hull was breached anywhere, the resulting flooding would be slow enough that the crew could get to it, plug it, pump out the affected compartment, or in the worst case simply seal off the worst-flooded compartment and keep sailing on the others. A normal undivided wooden hull in the Mediterranean or European tradition, breached anywhere, was in serious trouble immediately. A Fujian junk with twelve bulkheads, breached anywhere, was inconvenienced. This is why the Chinese seagoing trade survived the Indian Ocean storm cycle so much better than the European trade did, and it is why Benjamin Franklin in 1787 proposed adopting the Chinese practice for American ships — the watertight bulkhead came late to Western shipbuilding, around seven hundred years after the Fujian tradition had standardized it.
The bulkheads were also doing structural work: tying the two sides of the hull together against the bending forces a long hull experiences in heavy seas, like the rings of a ribcage tying the two halves of the chest together. The combination of the keel running fore and aft, the multi-layer planking, and the twelve transverse bulkheads gave the Quanzhou ship a hull substantially stronger than any equivalent European hull of the same period.
The chunam
The seams between planks, around fastenings, between bulkhead and hull — every place where water might have a way in — were sealed with a compound the Fujian tradition has called chunam (or in Chinese sources, huī yóu 灰油 or gǔ ní 鈷泥, depending on the region and the period). The compound was studied chemically when the wreck was excavated and again in subsequent re-examinations of the recovered hull material. The Quanzhou Maritime Museum's published findings on the chunam composition identify three key ingredients: quicklime, tung oil, and hemp fiber.
Quicklime is calcium oxide — limestone burned hot in a kiln until the carbon dioxide cooks out and what's left is the white powder that, mixed with water, gives off heat and turns into a paste. The Fujian limestone hills supplied the kilns; the kilns supplied the lime that built every Min basin building and sealed every Min basin junk for centuries.
Tung oil is pressed from the seeds of the tung tree, Vernicia fordii, a small tree native to southern China and grown extensively across the Wuyi-and-Daiyun mountain slopes. The oil has an unusual property among seed oils: it dries by absorbing oxygen from the air and forming chemical bonds within itself, ending up as a hard glossy waterproof solid rather than remaining liquid. Painters and woodworkers around the world know this property and have used it to varnish wood for centuries. The Fujian shipwrights used it to seal seams.
Hemp fiber, the same fiber that the southern Chinese textile tradition had been spinning into rope and cloth for two thousand years, supplied the reinforcement.
What the three ingredients do together: quicklime mixed with tung oil reacts slowly across hours and days, the lime and the oil combining into a hard, water-resistant, slightly flexible solid. The hemp fibers, mixed in, hold the solid together when the wooden hull around it flexes in heavy seas — preventing the hardened seal from cracking the way a brittle solid would. The result is a composite material — neither pure mineral nor pure organic — that fills a seam, hardens into a tough flexible plug, and stays watertight across years of working at sea. It is the same kind of compositional thinking the four-fluked anchor uses at a different scale: combine materials with different properties to get a behavior neither could produce alone.
Master Zhang Guohui, working today at Chongwu in Hui'an County and registered as a tradition-holder under the UNESCO Intangible Cultural Heritage program (the watertight-bulkhead technology was inscribed on the List of Intangible Cultural Heritage in Need of Urgent Safeguarding in 2010), still mixes chunam to essentially the same recipe the Quanzhou ship was sealed with seven and a half centuries ago. The proportions are adjusted by the artisan — stiffer paste for caulking deep seams, thinner for bedding fastenings — but the three ingredients and the chemistry that binds them are the same.
The anchors
A ship at sea is a ship in motion. A ship at anchor is what holds the ship still while the crew sleeps, while cargo is loaded, while a storm passes overhead. The anchor design the Fujian tradition arrived at registers the same compositional thinking the chunam does.
A Fujian junk anchor of the Song-Yuan period — examples have been recovered from several Quanzhou Bay shipwreck sites alongside the Quanzhou ship itself — is built around a hardwood core (often Casuarina equisetifolia ironwood, the densest tropical hardwood the trade had access to) wrapped tightly in wrought-iron bands. Four flukes — the gripping arms — project symmetrically from the central shank.
Why four flukes instead of two, like the standard Mediterranean and northern European anchors of the same period? Because no matter which way the anchor lands on the seabed, at least two of the four flukes will be pointed downward and will set into the bottom. A two-fluked anchor that lands the wrong way around will skip and drag and fail to hold; a four-fluked anchor lands correctly every time. The Fujian shipwrights thought through the geometry and arrived at the design that solves the problem.
Why hardwood core wrapped in iron bands instead of pure iron, the way later Western anchors were made? Because pure iron of the size required — anchors of several tons, scaled to a 34-meter junk — is brittle. An iron anchor that strikes the seabed at speed can crack on impact. Pure wood is too light to bite into the bottom with the necessary force. The composite — heavy hardwood for impact-absorbing mass, iron bands for biting strength and structural reinforcement — gives an anchor that strikes hard, holds hard, and does not break. The same compositional thinking that produced chunam produced the anchor.
The rig
The Quanzhou wreck does not preserve its rigging. Masts, sails, lines, blocks — everything above the waterline rotted away in the seven centuries the wreck spent in the mud. What we know of the rig comes from contemporary accounts, from a few illustrations in Chinese sources of the period, and from the unbroken Chinese junk-rig tradition that has continued in modified form into the present.
Ibn Battuta saw Chinese junks at Calicut on the Malabar coast of India in the 1340s and described what he saw. Twelve sails on the largest ships, three on the smaller. Sails made of woven bamboo strips rather than canvas — tougher, more weather-resistant, repairable in any port that had bamboo. Sails reinforced with full-width horizontal battens running across the sail at regular intervals. Sails that could be reefed quickly by lowering the battens through the parrel-and-tack rigging — bringing the sail down from full to fully stowed in minutes, faster and safer than any European sail of the period.
This is the Chinese junk rig, called the balanced lug in modern English nomenclature. It sails closer to the wind than a European square rig of the same period — typically 50 to 60 degrees off the true wind in optimal conditions, where a square-rigger could barely point at all. It handles heavy weather with much smaller crews. Its battens give the sail a rigid shape that holds across changing wind conditions without constant retrimming. The English sailor and writer Blondie Hasler, in the twentieth century, adapted the junk rig for solo trans-Atlantic sailing because of these properties — the rig that the Fujian shipwrights worked out remained, after seven centuries, one of the more sophisticated solutions to small-crew long-distance sailing that human ingenuity had produced.
A junk the size of the Quanzhou ship would have carried two or three masts. Each mast was unstayed — no shrouds, no stays, no standing rigging holding the mast in place. The mast got its strength from its own diameter and from being set deep into a substantial mast-step on the keelson. This is the opposite of European practice and looks alarmingly precarious to a Western sailor's eye, but it works: an unstayed mast bends under wind load instead of breaking, and the junk rig's sail shape is forgiving of the bending in a way that a European rig is not.
The cargo and the trade
Down in the lower compartments, where the mud sealed everything from oxygen, the cargo survived. Sandalwood — tánxiāng (檀香) — fragrant wood imported from the Indonesian archipelago for incense, perfume, medicine, and fine furniture. Aloeswood — chénxiāng (沉香) — the resinous heartwood of the Aquilaria tree, called eaglewood or agarwood in Western trade, imported from the same region and used for the highest-grade incense and perfume. Pepper — Piper nigrum — from the Malabar coast of southwest India. Cardamom and other spices. Areca nuts. Tortoise shells. Cowrie shells, which served as currency in many trading regions.
What this cargo says is that the ship was on a return voyage. She had sailed out, probably the previous fall, on the northeast monsoon — south through the South China Sea, past the Champa coast (modern central Vietnam), through the Strait of Malacca, across the Bay of Bengal to the Coromandel and Malabar coasts of southern India, possibly continuing west to the Persian Gulf or East Africa. She had loaded her cargo at her western terminus and at intermediate ports along the way. She had ridden the southwest monsoon home, expected to make harbor at Quanzhou before the autumn weather turned. She did not make it home. Whatever happened to her at Houzhou Harbor — accident, storm, deliberate scuttling at the Mongol approach — caught her with her cargo still in her holds, and that cargo is what we see now.
Quanzhou at the moment the ship sank was, according to the contemporary sources, the busiest port in the world. Marco Polo, who arrived a few years after the ship sank, wrote that he saw a hundred pepper-laden ships in Quanzhou harbor for every one in Alexandria. Ibn Battuta, sixty years later, described the same scale. The port's foreign population in its peak years has been estimated at multiple tens of thousands, with substantial communities of Arab and Persian merchants (whose tombstones, often inscribed with bilingual Arabic-Chinese epitaphs, have been recovered in numbers from the city's outskirts), Tamil traders from the Coromandel coast (who built a Hindu temple in the city, fragments of whose carved stone work survive in the Quanzhou Maritime Museum), Armenians, Jews, and assorted other nationalities. The city held what was probably the oldest mosque in China — the Qingjing Mosque (清净寺), founded by Arab traders in 1009 — and a Nestorian Christian community substantial enough to leave its own gravestones and church remains.
John Chaffee's The Muslim Merchants of Premodern China (Cambridge UP, 2018) reads the Arab-Persian Muslim merchant community at substantial scholarly depth, tracing the diaspora across the Tang, Song, and Yuan periods. The community at Quanzhou was the most established and most economically important node in this diaspora, with families who had been trading there for generations, intermarrying with local Chinese, holding offices in the imperial bureaucracy. Pu Shougeng (蒲壽庚, c. 1205-1290), the most famous of these, served as Superintendent of the Maritime Trade Bureau (shìbó tíjǔ 市舶提舉) at Quanzhou under the late Southern Song and then defected to the Mongol Yuan, helping the Mongols complete their conquest of Fujian — a politically loaded figure whose family history reads as one strand of the larger Muslim-merchant story Chaffee tells.
The Quanzhou ship at the moment of her loss was sailing within this trading world. The cargo in her hold, the languages spoken on her deck, the families who had funded her voyage and would have collected her cargo had she made port — all of it was part of a maritime economy that ran on people from many ports speaking many languages, working together in a way the imperial Chinese documentary tradition only partly registers.
The hands that built her, sailed her, loaded her
The shipwrights who built the Quanzhou ship are not named in any document the cave has access to. We know their tradition — the Fujian shipbuilding tradition (Fúchuán 福船) that produced the ship — and we know that tradition was carried in the coastal towns north and south of Quanzhou: Chongwu, Xiamen, the smaller harbors along the Min basin coastline. Master shipwrights ran shipyards as family businesses, with fathers training sons in skills passed across generations. A man trained from childhood to read camphor logs for keel timber, to scarf joints, to mix chunam, to drive iron nails at the angle that holds. He would teach his son. The Quanzhou ship was the product of such a tradition — many men's hands, across many years of training, at a yard somewhere on the Fujian coast.
The crew who sailed her — the captain, the mates, the men who handled the lines and tended the sails through monsoon and storm — were a mix the imperial archive registers only at the margins. Some were Han Chinese from the Min basin coastal villages where most Quanzhou-port crews were recruited. Many were Hokkien-speaking sailors whose Chinese was already noticeably different from the official Mandarin of the Hangzhou court. Some were sailors from further south — Cantonese-speakers from the Pearl River delta, sailors from Hainan. And some, particularly on long voyages to the western Indian Ocean, were Arabs or Persians or Tamils or Malays who had been hired on at intermediate ports for their familiarity with particular coastlines or particular local languages. A long-distance Quanzhou junk in the 1270s was, in practical terms, a polyglot activity community — a dozen or twenty men of mixed origins, communicating partly in shared maritime pidgin and partly in shared seamanship, bound together by the operation of the ship for the duration of the voyage.
The loading and unloading work at Houzhou Harbor was itself a substantial labor economy. Chests of porcelain from the Dehua and Cizao kilns came down from the inland production zones by river barge and were transferred at the harbor onto the seagoing junks. Bolts of silk arrived overland from the Yangtze valley. Tea — the Wuyi yancha and the Tongmu xiaozhong the cave's Tea at Depth paper has just walked — came down off the mountains in chests and was loaded the same way. Iron from the Anxi smelting zone (the cave's standing piece on the Xiacaopu site comes next) was loaded as ingots. All of this loading work was done by hand, by crews of dock workers — men, mostly, but in the broader Quanzhou prefecture labor economy, the Hui'an coastal women that the cave's Substrate Beneath Min paper articulated were also part of the harbor labor at depth: their distinctive head-cloth and silver-belt dress, their natal-residence marriage tradition, their independent property-holding through extended periods of life. The harbor labor force was mixed-gender at depth, with women's substantive participation registered partially in the documentary record and substantively in the actual operation.
A ship like the Quanzhou junk did not, in the practical sense, belong to a single individual. Investment in long-distance maritime voyages was typically distributed across multiple shareholders, who pooled capital to fund a single voyage and divided returns when the ship returned. Some of the shareholders in Quanzhou-based ventures were Muslim Arab and Persian merchant families with multi-generational presence in the port; some were Han Chinese mercantile lineages; some were monastic establishments (Daoist temples and Buddhist monasteries both held substantial commercial investments at Quanzhou in this period); some were imperial princely households (the Nán Jiā tally suggests this ship had imperial registry). The capital that funded the voyage, like the labor that crewed it, was drawn from across the cosmopolitan Quanzhou trading world.
The cargo on board, when she sank, represented a return on someone's investment — investments that the families would now never see returned. The wreck is, among other things, a frozen instance of capital lost. It is also a frozen instance of the labor of many hands now invisible: the shipwrights who built her, the smiths who forged her nails, the sailors who manned her, the loaders who loaded her, the women who repaired her sails between voyages, the porters who carried her cargo from the inland kilns and tea gardens to the harbor. All of those hands. All of those names lost. The ship preserves what the documentary record erases.
The Fuchuan tradition continues
The watertight-bulkhead tradition continued unbroken from the period of the Quanzhou ship into the modern Min basin. UNESCO inscribed the tradition in 2010 on the List of Intangible Cultural Heritage in Need of Urgent Safeguarding, registering candidly that the tradition was at risk of disappearing as steel-and-fiberglass shipbuilding displaced the wooden-junk industry. Master Zhang Guohui (born 1946) at Chongwu in Hui'an County is the registered tradition-holder. He learned the craft from his father, who learned it from his father, in a transmission line that runs back through the Min basin shipyard tradition to its pre-modern depths. Zhang has built thirty-meter seagoing junks at his shipyard. He now mostly builds scale models for the Quanzhou Maritime Museum and other museum collections. His apprentices continue the tradition in the Min basin shipyards at Chongwu, Xiamen, and along the Fujian coast.
The substrate continues. The chunam continues to be mixed in the same proportions that sealed the Quanzhou ship in 1271. The bulkhead construction continues to be cut and joined in the same mortise-and-tenon-and-iron-nail fashion. The four-fluked anchors continue to be forged in the same hardwood-core-with-iron-bands construction. The Min basin's maritime engineering tradition is in continuous transmission from the Yue substrate the cave's Substrate Beneath Min paper articulated, through the Song-Yuan operational maturity the Quanzhou ship preserves, through the modern intangible-heritage register that holds the tradition alive in active practice today.
What changed, across the centuries between the Quanzhou ship and Master Zhang's modern shipyard: the cosmopolitan Quanzhou trading world that surrounded the Fujian shipwrights in 1277 collapsed. The Ispah Rebellion of 1357-1366, in which the Persian garrison at Quanzhou rose against the Yuan and was crushed, devastated the foreign merchant communities. Anti-Muslim violence in the rebellion's aftermath drove out most of what remained of the Arab-Persian community. The Tamil temples were abandoned. The Nestorian Christians left. By the early Ming, when Hongwu's foreign-trade restrictions further closed the port, Quanzhou's role as the world-port of the Song-Yuan period was over, and the descendants of the Arab-Persian merchant families who remained were largely forced to hide their origins under Chinese surnames. The descendants of the Pu family (蒲), Ding family (丁), and several other lineages still live in the Quanzhou region; some have only learned of their Arab-Persian ancestry in recent decades as historical research has uncovered the records.
The shipbuilding tradition outlasted the cosmopolitan port that had been one of its main customers. The Fujian junks continued to sail, mostly to closer Asian destinations than the long-haul Indian Ocean trade of the Song-Yuan peak. Master Zhang's practice today is built on a foundation that is much older than the Quanzhou ship, and that survived the loss of the world the Quanzhou ship sailed in.
What this opens up
The piece reads the ship at the depth the material requires. What this opens up at the cave's standing future-work register:
The Anxi iron-smelting piece — the next piece on the cave's list, walking the recently-announced 2025 Xiacaopu site at the same operational depth this piece has worked at for the ship.
The synthesizing essay the cave has standing in queue — The Cosmochronicle: East Asian Capitals as Cosmographic Instruments — now has the Quanzhou ship as the maritime-threshold piece coordinate with the Wuyi mountain-threshold (the Tea at Depth) and the Min basin substrate (the Substrate Beneath Min). The amphitheater articulates at depth.
The cave's surf-and-Pacific work and the broader Austronesian-substrate maritime register the Substrate Beneath Min paper opened up at the substrate level. The Quanzhou ship, with its junk rig and its watertight bulkheads and its four-fluked anchors and its polyglot crew, was one substantive instance of how the Min basin's maritime substrate continued through the imperial centuries into the broader human maritime engineering record. The cave's standing position on surf culture and on Pacific maritime traditions may extend back into this register at depth in future work.
The watershed continues. The harbor continues. The chunam continues to be mixed. The four-fluked anchors continue to be forged. Master Zhang continues to teach his apprentices. The seven centuries between the Quanzhou ship's loss and our own moment are, at the level of the tradition that built her, one continuous transmission. The names mostly have not been preserved. The work has been.
References
Chaffee, John W. 2018. The Muslim Merchants of Premodern China: The History of a Maritime Asian Trade Diaspora, 750–1400. New Approaches to Asian History series. Cambridge: Cambridge University Press. xiv + 210 pp. ISBN 9781107684041. (The substantive English-language scholarly treatment of the Arab-Persian Muslim merchant communities at Quanzhou and the broader China coast across six and a half centuries.)
Green, Jeremy N. 1983. "The Song Dynasty Shipwreck at Quanzhou, Fujian Province, People's Republic of China." International Journal of Nautical Archaeology 12 (3): 253–261. DOI: 10.1111/j.1095-9270.1983.tb00140.x. (The first English-language report on the wreck, based on Green's January 1983 inspection visit at the invitation of the Quanzhou Overseas Communications Museum.)
Green, Jeremy N., and Nick Burningham. 1998. "The Ship from Quanzhou, Fujian Province, People's Republic of China." International Journal of Nautical Archaeology 27 (4): 277–301. DOI: 10.1111/j.1095-9270.1998.tb00809.x. (The comprehensive description of the hull based on the cumulative work of four research visits between 1983 and 1994.)
Kimura, Jun. 2016. Archaeology of East Asian Shipbuilding. Gainesville: University Press of Florida. 320 pp. ISBN 978-0-8130-6118-4. (Honorable Mention, North American Society for Oceanic History John Lyman Book Award. Chapter 4 is the most thorough English-language treatment of the Quanzhou ship's hull structure based on the actual excavated remains; the book's broader framework places the ship within the East China Sea shipbuilding tradition alongside the Shinan and Takashima wrecks.)
Schafer, Edward H. 1967. The Vermilion Bird: T'ang Images of the South. Berkeley: University of California Press. (The cave's voice register touchstone for southern-Chinese material.)
Monterey, California · daveswavecave.com
May 2026