Kerderi Mausoleum: A Fourteenth-Century Monument in Kazakhstan

Site at a Glance

Rating

★4.3

Popularity

Very Low

Country

Kazakhstan

Primary era

Medieval

Eras represented

Medieval

Civilizations

Golden Horde

Site type

Burial

Remains

Tomb

History

Kerderi mausoleum is an architectural monument in Kazakhstan, generally dated to the fourteenth century and associated with the medieval architectural traditions of the Aral region. It stands within the Kerderi archaeological landscape, a group of abandoned settlements that once occupied land later covered by the Aral Sea. The monument is included on Kazakhstan’s regional state register of sites of local historical and cultural importance.

The Kerderi settlements

Kerderi formed part of three settlements known as Kerderi-1, Kerderi-2, and Aral Asar. They were established during a period when the Aral Sea’s water level had fallen enough to expose dry land. The mausoleum is associated with this settlement group and with the ruins of another mausoleum in the wider area. The precise date of Kerderi’s foundation and the date when its inhabitants left remain uncertain. Objects from the settlements, however, have been radiocarbon-dated as late as the beginning of the sixteenth century.

The surrounding archaeological evidence indicates a community that cultivated rice and wheat and raised livestock. Aral Asar also participated in trade along the Silk Road, the network of routes linking communities across Eurasia. These activities place the mausoleum within a settled and economically connected landscape rather than an isolated burial site.

Submergence and rediscovery

After about 1570, the Amu Darya, a major Central Asian river flowing toward the Aral Sea basin, resumed flowing into the sea. The water level gradually rose, and Kerderi was eventually submerged. At the water levels recorded in 1960, the settlement lay under approximately 19 to 20 metres of water.

Soviet diversion of the Amu Darya and Syr Darya, another major river of the Aral basin, caused the sea to retreat again after the 1960s. The exposed landscape became accessible for the first time in modern history. An archaeological expedition from Kyzylorda State University rediscovered the mausoleum on 27 July 2001, opening a new phase of investigation into the monument and its surrounding settlements.

Remains

The mausoleum survives as a low, slumped hill formed by a heavily eroded building and its accumulated remains. Before excavation, the mound was described as an oval mass measuring about 42 by 30 metres, with reported heights of approximately 1.6 to 2.3 metres. Excavation revealed a rectangular structure aligned with the four cardinal directions, built from medieval fired bricks and supported by an unusually substantial stone foundation.

Building and decoration

Foundation and walls

The foundation extends approximately 1 to 1.5 metres below the building. Large stone blocks and slabs were used in its construction, ranging in size from about 20 by 30 by 15 centimetres to 100 by 50 by 25 centimetres. This heavy foundation was suited to the unstable sedimentary soils of the Aral region and was considered unusual among comparable Central Asian mausoleums.

The walls were made of fired bricks measuring about 25 by 25 by 5 centimetres and laid flat. They reached roughly one metre in thickness at their narrowest points. The southwestern wall is among the better-preserved parts of the structure and retains approximately six or seven courses of brick. Erosion following the mausoleum’s long submergence has reduced the building to a low, damaged form.

Burial chamber

At the centre of the mausoleum was a square gurkhana, or burial chamber, measuring approximately 5.5 by 5.5 metres. A dome covered the chamber, while four interior niches, each about one metre deep, shaped its walls. The entrance occupied the southwestern niche, and the principal burial area lay in the deeper northwestern niche.

The floor used rectangular paving slabs measuring approximately 44 by 27 by 6.5 centimetres. Bricks and half-bricks of about 25 by 25 by 4 centimetres were also laid around the burial area over hard-packed brown earth. Damage to the flooring exposed the foundation beneath the walls. A large jug, approximately 40 centimetres high and fitted with a side handle, was placed beneath the floor in the southern corner. Three pottery kilns were found near the construction site.

Entrance portal

The entrance occupied the western to southwestern side and took the form of a portal with a recessed arched niche, a rectangular frame, and piers about three metres wide. Plant, geometric, and written motifs decorated the entrance. Its fired-brick ornament included blue and turquoise glazed tiles, some of which reportedly carried gold Arabic inscriptions.

Rounded decorative bricks indicate that the archivolt, the ornamental band following the curve of an arch, rested on quarter-columns or three-quarter columns built into the corners of the niche. The principal decorated band of the portal’s P-shaped frame combined carved glazed terracotta, meaning fired clay used for architectural ornament, with stamped decoration. Interwoven geometric patterns were carved into the initial design, while smaller branches and details were added with stamps. Variations in the turquoise glaze contributed to the finished effect.

The decorative methods and style connect the mausoleum with Khorezmian traditions. Khorezm was a historic Central Asian region centred on the lower Amu Darya. The ornament also belongs to the wider artistic environment of fourteenth-century Golden Horde monuments. The Golden Horde was the western Mongol successor state that ruled extensive parts of the Eurasian steppe from the thirteenth to the fifteenth centuries.

Burials and surrounding archaeological landscape

Burials within the mausoleum

Seven burials were associated with the mausoleum. Most were sagana-type burials, specially constructed Central Asian grave monuments or burial structures widely used between the eleventh and fourteenth centuries. The dead were placed in wooden coffins, and the burials included men, women, and children.

The grave in the northwestern axial niche differed from the others. It was built as a stone-lined cist, covered with large stone slabs, and had been robbed. A gold pair of earrings depicting a feline predator biting its own tail came from another burial. The design is atypical of Islamic burial practice and may reflect the persistence of shamanic or Tengrist clan traditions in the wider Aral Asar area. Tengrism was a religious complex of the Inner Asian steppe centred on the sky deity and associated with ancestral, natural, and shamanic practices.

Settlement and craft areas

The mausoleum stood in the central part of a necropolis and was surrounded by burials and craft workshops. A nearby settlement, much of which may remain underwater, formed part of the wider Kerderi archaeological landscape. Together, the mausoleum, graves, workshops, and settlement remains connect the decorated funerary building with the agricultural, pastoral, and commercial life of the communities that occupied the former Aral Sea bed.