The frequency and distribution of dental caries and tooth wear in a Byzantine population of Sa'ad,Jordan

The aim of this study was to determine the frequency, distribution and extent of dental caries and tooth wear in a Byzantine population in Sa'ad, to compare these with modern Jordanians, and to draw inferences about their lifestyle. Dental caries and tooth wear were examined in 1159 permanent teeth using direct vision and dental explorer. The location and extent of the lesions were recorded and evaluated according to defined criteria. The overall caries prevalence was 16.8% (n = 1159). Most of the carious lesions (13. 9%, n = 1159) were present in the tooth crown, on occlusal or proximal surfaces; 2.9% of teeth displayed root caries alone. The upper and lower central incisors exhibited the lowest coronal caries frequency, while molars showed the highest frequency. Attrition with moderate dentine exposure was evident in most teeth. Some teeth (9.8%) demonstrated oblique abrasion and 9 (0.78%) teeth exhibited cupped occlusal surfaces. The prevalence of caries was within the range reported for other Byzantine populations and lower than that of modern Jordanians. The attrition seen in most teeth and the cupped occlusal surfaces might be due to eating abrasive food, drinking wine or acidic beverages. Oblique abrasion on the facial and palatal surfaces reflects their business or craft, such as basket making and leather processing. Copyright © 2008 John Wiley & Sons, Ltd.     

湖南七星墩遗址中红烧土建筑材料的科学分析

新石器时代中期,中国先民将制陶技术运用于房屋建筑中,发展了一系列强度与耐水性能显著提升的烧土建筑材料,极大地改善了居住环境。长江中下游地区新石器时代房屋建筑发展脉络清晰,广泛利用红烧土材料。采用XRD法、XRF法、磁化率法和色度法从物相组成、元素成分、磁化率、色度等方面对湖南七星墩遗址出土的不同文化时期的烧土样品进行综合分析。结果表明,6件红烧土样品应均为就地取土,并在泥料中加入了稻壳和稻草等植物残骸作为羼和料,经人工烘烤而成的建筑材料,等效烧成温度区间为550～700℃。研究结果可丰富史前建筑史的研究,磁化率测温法为未烧制黏土考古材料的烧成温度研究提供了一种科学有效的方法,进一步可尝试应用于早期陶器(尤其低温陶器)的烧成温度研究。     

Prehistoric farming in the mfolozi and hluhluwe valleys of Southeast Africa: an archaeo-botanical survey

The Mfolozi and Hluhluwe Valleys of southeastern Africa are representative of a sub-tropical biome and have archaeological evidence for farming settlement spanning more than 1500 years. By collecting information on soils and plant communities within the same sample frame as archaeological data, the relative importance of environmental and anthropomorphic influences can be assessed. It is argued that, although climate and soils have determined the overall distribution of plant communities, human land use has had a considerable effect on the composition of both woodland and grassland. The nature of this interaction between man and environment provides inferential data on prehistoric economies and also aids the formulation of conservation policies in protected areas.     

Microdebitage analysis: Initial considerations

Microdebitage is defined as all stone flaking residue less than 1 mm in maximum dimension. Experimental replication indicates that it is produced in great quantities by stone tool manufacture and can permeate site matrices as a permanent signature of past cultural activity. Initial sampling studies suggest that microdebitage analysis may have considerable utility as a means of lithic site surveying.     

制备方法对土遗址重塑样稳定性的影响研究

土建筑遗址本体的保护受遗址土的物理、水理、力学及所处环境差异的影响，重塑样是替代土遗址测试其各种性质的重要手段，重塑样拌制土性质的稳定性是科学评价、对比分析试验研究的基础和前提。本研究基于不同拌制土的方法，通过观察、拍照、量取土团粒大小以及同条件制备样品的无侧限抗压强度等，综合评价不同拌制土方法的影响条件。研究发现，采用人工拌土、闷土时间在24 h的土所制的试样最具稳定性，随着闷土时间再增加，土样强度在逐渐降低。本研究为土建筑遗址室内试验研究和工程现场拌制土料提供理论参考和技术支撑。     

Rare animals at a Mississippian chiefly compound: the Irene Mound site (9CH1), Georgia,USA

ABSTRACT

The Irene Mound site (9CH1) was a Middle and Late Mississippian site (ca. AD 1150–1450) situated on a bluff overlooking the lower Savannah River, Georgia (USA), a few kilometers upstream from the Atlantic Ocean. The 2.4 ha site consisted of a sequence of superimposed layers referred to as temple mounds, as well as a burial mound, a rotunda, a few residences, and other structures. It is interpreted as the residence of a chiefly lineage. The presence of animals rare or absent in other precolonial coastal assemblages distinguishes the Irene assemblage from others along the coast. Some of the animals exhibit atypical, even dangerous, behavior, others have elaborate feathers or fine fur, and many are notable coastal fishers. White-tailed deer (Odocoileus virginianus) specimens in the assemblage are dominated by portions from the body. Irene may provide a zooarchaeological standard for assessing evidence of site functions and status in other coastal assemblages.     

Adult and juvenile aurochs, Bos primigenius Boj. from the maglemosian site of ulkestrup lyng Øst,Denmark

Bones of adult and juvenile aurochs (Bos primigenius Boj.) from the refuse of a Mesolithic settlement, Ulkestrup Lyng Øst (c. 6090 BC), are examined. The problem of estimating the ontogenetic age of the younger animals is dealt with in order to establish the time of the year at which they were killed and thereby the possible season of hunting.The age-determination is mainly based on tooth-wear, which is discussed in its relationship to physiological changes in the stomach, that are correlated with the dietary changes from milk to solid food. The subfossil mandibles are compared with modern material from domestic calves and with other Danish subfossil calves' mandibles.     

河南省体育场商代祭祀遗址发掘简报

2015年,郑州市文物考古研究院为配合河南省体育场网球馆项目建设,对该区域勘探所见的古代遗址进行了考古发掘。清理出环壕、夯土墙、建筑基址、祭祀场、祭祀坑、灰坑、墓葬等丰富的商代文化遗迹,出土了铜器、玉器、石器、陶器、骨器等重要遗物。河南省体育场商代遗址的祭祀遗存是近年来郑州商城最重要的新发现之一,这一祭祀遗址的发现为郑州商城的研究提供了非常重要的新资料。     

陕西境内遗址表面CaSO42H2O产生之水盐运移规律研究

陕西境内遗址出土后短时间内表面产生白色物质CaSO₄2H₂O是非常普遍的现象。本研究利用土柱模拟遗址出土后表面产生CaSO₄2H₂O的过程,通过监测土柱中土壤的湿度、含盐量及离子变化综合分析CaSO₄2H₂O产生的原因,研究结果表明遗址出土后形成了新的界面层,在蒸发的作用下,地下水沿土壤孔隙向上迁移,同时将可溶盐带入土壤中,表面的可溶盐含量逐渐增大,达到峰值后不再增加,实验后测得表面土壤中的Ca²⁺和SO2-₄是原始土壤的数十倍,说明遗址表面产生CaSO₄2H₂O是水盐运移的结果。本研究可为遗址出土后预防CaSO₄2H₂O的产生提供依据。     

河南荥阳官庄遗址陶范物源及制作工艺分析

Guanzhuang site is located in the west of Guanzhuang Village, Gaocun Township, Xingyang City, Henan Province. From the site, more than 3 000 pottery moulds have been unearthed, with various types, including the moulds for containers, tools, chariots, weapons, money and core, etc. According to the types and decorations of pottery moulds and the characteristics of co - existing pottery, the pottery moulds of Guanzhuang site can be divided into two periods—Phase I dating from the late Western Zhou Dynasty to the early Spring and Autumn Period, and phase TJ considered between the early and middle Spring and Autumn Period. The change of bronze ware styles from the Western Zhou Dynasty to the Spring and Autumn Period was important in the development of ancient Chinese bronze wares. Due to the lack of archaeological data, research on pottery moulds during the two - week period was still insufficient; discussion of the important issue of standardizing the sources of raw materials was also relatively weak. Environmental archaeology has relatively mature methods and practices in depositional dynamics, depositional processes and provenance tracing, which could provide new ideas for further in - depth discussions on this issue. In order to understand the material sources and craftsmanship of pottery moulds unearthed from Guanzhuang site in Xingyang, Henan Province, samples of Guanzhuang pottery moulds and natural sedimentary strata were studied using particle size analysis, XRF and petrographic analysis to give the following results. 1) The raw materials for mould - making were taken from the late Pleistocene Malan loess layer under the cultural layer of the site. The Malan loess underwent simple manual elutriation before being used to make pottery moulds. 2) A small amount of plant ash and calcium nodule powder was added during the production process of pottery moulds as an admixture to increase the high - temperature resistance. 3) The inner side of pottery mould for container was mainly made of Malan loess, while the outer one was made of a mixture of Malan loess and river sand with a blending ratio of about 7:5. Pottery moulds for various ware types had different processing techniques (e.g., moulds for containers were more refined). Besides, compared with early pottery moulds, later ones are relatively rougher, but the difference is not obvious. 4) The petrographic characteristics of double - layer container moulds indicate that there are different production processes for the inner and outer sides of mould. The inner side was made of Malan loess with finer particles—below 100 μm—as the raw material after elutriation, and there were traces of directional trimming. The outer one was made of a mixture of two parts of minerals (coarse and fine), and there was no obvious processing trace. Analysis of sample particle size is a new attempt to discuss the material sources of pottery moulds. The related discussion of mud - clarifying ponds is also helpful to understand the function of such relics and the formation process of accumulation in them. This study has important reference significance for exploring the material and craft characteristics of pottery moulds before and after the early Spring and Autumn Period in the Central Plains. © 2023, Sciences of Conservation and Archaeology. All Rights Reserved.