Thursday, May 14, 2020

Yuchanyan and Xianrendong - Oldest Pottery in the World

Xianrendong and Yuchanyan caves in northern China are the oldest of a growing number of sites which support the origins of pottery as having occurred not just in the Japanese island Jomon culture of 11,000 to 12,000 years ago, but earlier in the Russian Far East and South China some 18,000-20,000 years ago. Scholars believe these are independent inventions, as were the later inventions of ceramic vessels in Europe and the Americas. Xianrendong Cave Xianrendong Cave is located at the foot of Xiaohe mountain, in Wannian county, northeast Jiangxi province of China, 15 kilometers (~10 miles) west of the provincial capital and 100 km (62 mi) south of the Yangtze river. Xianrendong contained the oldest pottery in the world yet identified: ceramic vessel remains, bag-shaped jars made some ~20,000 calendar years ago (cal BP). The cave has a large inner hall, measuring some 5 meters (16 feet) wide by 5-7 m (16-23 ft) high with a small entrance, only 2.5 m (8 ft) wide and 2 m (6 ft) high. Located some 800 m (about 1/2 mile) from Xianrendong, and with an entrance some 60 m (200 ft) higher in elevation, is the Diaotonguan rock shelter: it contains the same cultural strata as Xianrendong and some archaeologists believe it was used as a campsite by Xianrendongs residents. Many of the published reports include information from both sites. Cultural Stratigraphy at Xianrendong Four cultural strata have been identified at Xianrendong, including an occupation spanning the transition from Upper Paleolithic to Neolithic times in China, and three early Neolithic occupations. All seem to represent primarily fishing, hunting and gathering lifestyles, although some evidence for early rice domestication has been noted within the Early Neolithic occupations. In 2009, an international team (Wu 2012) focused on the intact pottery bearing levels layers at the base of the excavations, and a suite of dates between 12,400 and 29,300 cal BP were taken. The lowest sherd-bearing levels, 2B-2B1, were subjected to 10 AMS radiocarbon dates, ranging from 19,200-20,900 cal BP, making Xianrendongs sherds the earliest identified pottery in the world today. Neolithic 3 (9600-8825 RCYBP)Neolithic 2 (11900-9700 RCYBP)Neolithic 1 (14,000-11,900 RCYBP) appearance of O. sativaPaleolithic-Neolithic Transition (19,780-10,870 RCYBP)Epipaleolithic (25,000-15,200 RCYBP) only wild oryza Xianrendong Artifacts and Features Archaeological evidence suggests the earliest occupation at Xianrendong was a permanent, long-term occupation or reuse, with evidence for substantial hearths and ash lenses. In general, a hunter-fisher-gatherer lifestyle was followed, with emphasis on deer and wild rice (Oryza nivara phytoliths). Pottery: A total of 282 pottery sherds were recovered from the oldest levels. They have uneven thick walls between .7 and 1.2 centimeters (~1.4-1.5 inches), with round bases and inorganic (sand, mainly quartz or feldspar) temper. The paste has a brittle and loose texture and a heterogeneous reddish and brown color which resulted from uneven, open-air firing. Forms are mainly round-bottomed bag-shaped jars, with rough surfaces, the inner and outer surfaces sometimes decorated with cord marks, smoothing striations and/or basket-like impressions. They appear to have been made with two different techniques: by sheet laminating or coil and paddle techniques.Stone Tools: The stone tools are by and large chipped stone tools based on flakes, with scrapers, burins, small projectile points, drills, notches, and denticulates. Hard-hammer and soft-hammer stone tool making techniques are both in evidence. The oldest levels have a small percentage of polished stone tools compared to chipped, parti cularly in comparison with the Neolithic levels.Bone tools: harpoons and fishing spear points, needles, arrowheads, and shell knives.Plants and animals: Predominant emphasis on deer, bird, shellfish, turtle; wild rice phytoliths. The Early Neolithic levels at Xianrendong are also substantial occupations. The pottery has a wider variety of clay composition and many sherds are decorated with geometric designs. Clear evidence for rice cultivation, with both O. nivara and O. sativa phytoliths present. There is also an increase in polished stone tools, with a primarily pebble tool industry including a few perforated pebble disks and flat pebble adzes. Yuchanyan Cave Yuchanyan Cave is a karst rock shelter south of the Yangtze River basin in Daoxian county, Hunan province, China. Yuchanyans deposits contained the remains of at least two nearly complete ceramic pots, securely dated by associated radiocarbon dates at having been placed in the cave between 18,300-15,430 cal BP. Yuchanyans cave floor includes an area of 100 square meters, some 12-15 m (~40-50 ft) wide on its east-west axis and 6-8 m (~20-26 ft) wide on the north-south. The upper deposits were removed during the historical period, and the remaining site occupation debris ranges between 1.2-1.8 m (4-6 ft) in depth. All of the occupations within the site represent brief occupations by Late Upper Paleolithic people, between 21,000 and 13,800 BP. At the time of the earliest occupation, the climate in the region was warm, watery and fertile, with plenty of bamboo and deciduous trees. Over time, gradual warming throughout the occupation occurred, with a trend towards replacing the trees with grasses. Towards the end of the occupation, the Younger Dryas (ca. 13,000-11,500 cal BP) brought increased seasonality to the region. Yuchanyan  Artifacts and Features Yuchanyan cave exhibited generally good preservation, resulting in the recovery of a rich archaeological assemblage of stone, bone, and shell tools as well as a wide variety of organic remains, including both animal bone and plant remains. The floor of the cave was purposefully covered with alternating layers of red clay and massive ash layers, which likely represent deconstructed  hearths, rather than  the production  of clay vessels. Pottery: The sherds from Yuchanyan are some of the earliest examples of pottery yet found. They are all dark brown, coarsely-made pottery with a loose and sandy texture. The pots were hand-built and low-fired (ca. 400-500 degrees C); kaolinite is a major component of the fabric. The paste is thick and uneven, with walls up to 2 centimeters thick. The clay was decorated with cord impressions, on both the interior and exterior walls. Enough sherds were recovered for the scholars to reconstruct a large, wide-mouthed vessel (round opening 31 cm in diameter, vessel height 29 cm) with a pointed bottom; this style of pottery is known from much later Chinese sources as a fu cauldron.Stone Tools: Stone tools recovered from Yuchanyan include cutters, points, and scrapers.Bone Tools: Polished bone awls and shovels, perforated shell ornaments with notched-tooth decorations also were found within the assemblages.Plants and animals: Plant species recovered from the caves deposits include wild grap es and plums. Several rice opal phytoliths and husks have been identified, and some scholars have suggested that some of the grains illustrate incipient domestication. Mammals include bears, boar, deer, tortoises, and fish. The assemblage includes 27 different types of birds, including cranes, ducks, geese, and swans; five kinds of carp; 33 kinds of shellfish. Archaeology at Yuchanyan and Xianrendong Xianrendong was excavated in 1961 and 1964 by the Jiangxi Provincial Committee for Cultural Heritage, led by Li Yanxian; in 1995-1996 by the Sino-American Jiangxi Origin of Rice Project, led by R.S. MacNeish, Wenhua Chen and  Shifan  Peng; and in 1999-2000 by Peking University and the Jiangxi Provincial Institute of Cultural Relics. Excavations at Yuchanyan were conducted beginning in the 1980s, with extensive investigations between 1993-1995 led by Jiarong Yuan of the Hunan Provincial Institute of Cultural Heritage and Archaeology; and again between 2004 and 2005, under the direction of Yan Wenming. Sources Boaretto E, Wu X, Yuan J, Bar-Yosef O, Chu V, Pan Y, Liu K, Cohen D, Jiao T, Li S et al. 2009. Radiocarbon dating of charcoal and bone collagen associated with early pottery at Yuchanyan Cave, Hunan Province, China. Proceedings of the National Academy of Sciences 106(24):9595-9600.Kuzmin YV. 2013. Origin of Old World pottery as viewed from the early 2010s: when, where and why? World Archaeology 45(4):539-556.Kuzmin YV. 2013. Two Trajectories in the Neolithization of Eurasia: Pottery Versus Agriculture (Spatiotemporal Patterns). Radiocarbon 55(3):1304-1313.Prendergast ME, Yuan J, and Bar-Yosef O. 2009. Resource intensification in the Late Upper Paleolithic: a view from southern China. Journal of Archaeological Science 36(4):1027-1037.Wang W-M, Ding J-L, Shu J-W, and Chen W. 2010. Exploration of early rice farming in China. Quaternary International 227(1):22-28.Wu X, Zhang C, Goldberg P, Cohen D, Pan Y, Arpin T, and Bar-Yosef O. 2012. Early pottery at 20,000 years ago in Xianrendong Ca ve, China. Science 336:1696-1700.Yang X. 2004. Xianrendong and Diaotonghuan Sites at Wannian, Jiangxi Province.In: Yang X, editor. Chinese Archaeology in the Twentieth Century: New Perspectives on Chinas Past. New Haven: Yale University Press. vol 2, p 36-37.Zhang C, and Hung H-c. 2012. Later hunter-gatherers in southern China, 18,000–3000 BC. Antiquity 86(331):11-29.Zhang W, and Jiarong Y. 1998. A preliminary study of ancient excavated rice from Yuchanyan site, Dao County, Hunan province, PR China. Acta Agronomica Sinica 24(4):416-420.Zhang PQ. 1997. Discussion of Chinese domesticated rice - 10,000 year-old rice at Xianrendong, Jiangxi Province. Second Session of International Symposium on Agricultural Archaeology.Zhao C, Wu X, Wang T, and Yuan X. 2004. Early polished stone tools in South China evidence of the transition from Palaeolithic to Neolithic Documenta Praehistorica 31:131-137.

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