Manufacturing techniques of sacrificial pottery from Jiaojia site, China, during the Dawenkou Culture

Yuan, Chao; Fen, Wang; Yuan, Shiling

doi:10.1016/j.jasrep.2021.103238

Cited by 2 publications

(16 citation statements)

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“…Moreover, we cannot discard an enrichment in CaO caused by the circulation of Ca‐rich solutions from the ground to the pore system of the pottery (Yuan et al, 2021a). Moreover, calcareous lumps in Ca‐rich clay can block the production of haematite crystals by fixing iron in the network of newly produced calcareous silicate and alumino‐silicate minerals, inhibiting the generation of red colour in fired pottery (Marghussian et al, 2017; Yuan et al, 2021b).…”

Section: Discussionmentioning

confidence: 99%

“…In addition, the similar feldspar mineral characteristics in most samples indicate that potters may have common requirements for clay workability, shrinkage when drying, and the hardness of finished fired ceramics in the field. Potassium feldspar and plagioclase in clay and their relative proportions have pronounced effects on these aspects (Yuan et al, 2021a, 2021b). The high proportion of potassium feldspar helps increase workability and hardness and reduce porosity (McReynolds et al, 2008; Papakosta et al, 2020; Yuan et al, 2021a, 2021b).…”

Section: Discussionmentioning

confidence: 99%

“…The possibility that the variation of feldspar minerals in the pottery body is related to the difference in feldspar composition of the clay parent rock should not be excluded. As for clay rich in potassium feldspar, some scholars believe that it could facilitate melting in the firing process of pottery, forming glass phases and filling pores so that the drinking wares could better contain liquid (Heron et al, 2013; Papakosta et al, 2020; Van Diest, 1981; Yuan et al, 2021a, 2021b). However, the melting temperature of potassium feldspar is higher than 1000°C, while the highest temperature tested in this study was only 950°C.…”

Section: Discussionmentioning

confidence: 99%

“…Since just around 10 mg of powder material is required for an XRD experiment, it may be considered a quasi‐nondestructive method. The presence or absence of critical minerals was used to estimate the firing temperature of ceramic wares (Maritan et al, 2017; Yuan et al, 2021a, 2021b). A 10 mg powder sample was ground with an agate mortar and pestle.…”

Section: Methodsmentioning

confidence: 99%

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Neolithic burial pottery from the Jiaojia site, China: A multi‐analytical study

2022

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The present study focuses on middle and late Dawenkou Culture burial pottery—cookware, drinking ware, and tableware—recently unearthed from the Jiaojia site. Through the application of X‐ray fluorescence (XRF), Fourier transform infrared spectroscopy (FTIR), and X‐ray diffraction (XRD), we have revealed for the first time that the compositional difference of Jiaojia burial pottery is related to the category and function of wares. Calcium‐poor clay was used for cookware and tableware, whereas calcium‐rich clay was used for drinking ware. The pottery body's mineralogical assemblage and chemical composition results point to the careful selection and preparation of raw materials and oxidizing fire temperatures between 750 and 950°C. In most cases, the temperatures used for firing drinking ware were generally higher than those used for firing tableware and cookware.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Neolithic burial pottery from the Jiaojia site, China: A multi‐analytical study

2022

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“…Today, archaeologists and pottery enthusiasts have studied ancient pottery to some extent. The different shapes of pottery, different patterns, different carving arts, and so on can determine the culture and lifestyle of the dynasties behind the pottery [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

Mask R-CNN-Oriented Pottery Display and Identification System

Wei

2022

Computational Intelligence and Neuroscience

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Traditional pottery identification methods are time consuming and costly. In order to cater to more pottery industry needs, we propose a Mask R-CNN-based pottery identification method to build an automatic pottery identification system. We first improve the loss function of Mask R-CNN by using generalized intersection over union loss function, through the pattern of migration learning, to compensate for the disadvantage of a small collective amount of pottery data. For different types of pottery, we use the mask algorithm to enhance the features of the outer contour of the pottery. In addition, we use the minimum external matrix algorithm to accurately extract the outer contour bit pose features of pottery to improve the model’s accuracy in recognizing the outer contour of pottery. To meet the testing conditions of pottery, with the support of potters and archaeologists, we make our pottery data set according to pottery categories. The experimental results prove that our method performs best in the comprehensive recognition accuracy of pottery, with the recognition accuracy above 90%. The recognition accuracy is also the best in pottery color decoration and grain decoration, and the grain recognition accuracy stays above 87%, which is better than other pottery recognition methods.

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Manufacturing techniques of sacrificial pottery from Jiaojia site, China, during the Dawenkou Culture

Cited by 2 publications

References 31 publications

Neolithic burial pottery from the Jiaojia site, China: A multi‐analytical study

Neolithic burial pottery from the Jiaojia site, China: A multi‐analytical study

Mask R-CNN-Oriented Pottery Display and Identification System

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