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江苏江都市大桥镇果园场窖藏出土青铜器,数量大、种类多,其中的组合灯盏、鹿纹高足杯、大铜托盘等较具特色,为研究南朝晚期的日用铜器、炊饮用具、社会生活提供了宝贵的实物资料。 相似文献
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何家村窖藏出土金银器的制作工艺涉及金银器制作流程中的各个环节,能够系统反映唐代金银冶炼和金银器成形、修整、连接、装饰等全部工艺流程,包括冶炼环节的“灰吹法”工艺,成形环节的范铸、捶揲、锻打、闪打工艺,修整环节的切削、镟活、打磨工艺,连接环节的焊接、贴焊、卡合工艺,装饰环节的捶揲、錾刻、线刻、镂空、鎏金、花丝、编结、金珠焊缀、金筐宝钿、金镶玛瑙、金包玉工艺等,是唐代金银器制作工艺的全面体现。 相似文献
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《Journal of archaeological science》2002,29(2):195-209
In 1997, a hoard of copper-based objects was discovered at the megalithic site of al-Midamman, on the Red Sea Tihama coastal plain of the Republic of Yemen. Since there have been very few metal artifacts discovered in the lowlands of Yemen, and there was limited stratigraphy on the site, determining the time and place of production for these artifacts was difficult. A full investigation of the objects was deemed essential to determine their chronology and origin. Analysis included optical microscopy and scanning electron microscopy (SEM) for metallography, inductively coupled plasma spectrography (ICP) for bulk chemical composition, SEM to determine phase composition and corrosion products, and X-ray diffraction (XRD) to identify corrosion products.The objects can be divided into three types of copper and copper alloy: pure copper, arsenic rich copper, and tin rich copper. The difference in composition appears likely to be deliberate and suggests that the objects were produced sometime during the Early Bronze Age through the Middle Bronze Age. Further investigation of any metal objects discovered along the Yemeni coast and along the Ethiopian/ Eritrean side of the Red Sea is obviously essential. 相似文献
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《Medieval archaeology》2013,57(1):256-269
AbstractA HOARD OF FOUR GOLD FINGER-RINGS and other items discovered in West Yorkshire by a metal-detectorist is remarkable for the superb quality of the objects, their occurrence as a group and because some of the rings were probably never worn. Each piece is introduced and discussed against the relevant Anglo-Saxon, continental and Viking background, and a link to 10th-century Danelaw elites is proposed. 相似文献
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1991年8月,河南省安阳县伦掌乡盂村(岳城水库南区“柏阳城” 战国遗址南1500米处)出土一古钱窖藏,计160余公斤8万余枚。我们征集到其中的20余公斤,现经初步整理报告如下。 一、出土概况 据发现人称,古钱原放在一灰陶缸内,距地表0.5米,在出土过程中陶缸被打碎,残存陶片上饰有花纹,无盖。出土时钱币多成串放置在一起,大小相混,锈蚀严重,有穿系痕迹,呈长条形盘放其中。据初步整理,该窖藏数量大,种类丰富,有较多的珍稀币种,是安阳地区近一时期发现较重要的古钱窖藏之一,实为难得的实物资料。 二、钱币类别… 相似文献
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Never Judge A Gold Object by Its Surface Analysis: A Study of Surface Phenomena in a Selection of Gold Objects From the Staffordshire Hoard 下载免费PDF全文
E. S. Blakelock 《Archaeometry》2016,58(6):912-929
With the introduction of commercially available handheld XRF analysers, there is a growing problem that the results, simply taken at face value, are regarded as representative of the bulk gold alloys of the objects analysed in museums and used for treasure analysis. It is well known that surface analysis is problematic, and the aim of this study was to test whether non‐destructive surface analysis could be useful in grouping the very large numbers of fragmentary pieces in the Anglo‐Saxon Staffordshire Hoard. Surface and subsurface analyses of 16 objects from the Hoard were carried out by X‐ray fluorescence (XRF) and scanning electron microscopy with energy‐dispersive X‐ray analysis (SEM–EDX). The results indicate that there are significant but inconsistent levels of enrichment of the gold at the surface of many of these objects, due to the loss of both copper and silver. The significant loss of silver (up to 50% relative in some cases) suggests that some form of deliberately induced depletion gilding was carried out during manufacture to remove both silver and copper from the surface. In three cases, an increase in silver at the surface compared to the core metal was detected: this might tentatively be explained by redeposition from contact with silver objects during burial. These results have clear implications for the reliability and interpretation of surface analysis data of gold alloys from this period. 相似文献
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A large ceramic vessel was discovered at São Brás (southern Portugal) containing a metallic hoard from the Chalcolithic/Early Bronze Age period. These weapons and tools were characterized by microanalytical techniques as being composed of copper with varying arsenic contents (2.2 ± 1.6 wt%) and minor amounts of lead, bismuth and iron. The collection shows a clear association between daggers and copper with a higher arsenic content, which can be explained by the high status of these silvery alloys. Finally, the compositional distribution of the hoard was compared with the metallurgy of the Bell Beaker and non–Bell Beaker communities inhabiting the south‐western Iberian Peninsula. 相似文献
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Melanie Holcomb 《Early Medieval Europe》2008,16(1):3-22
This paper deploys the Metropolitan Museum's Albanian (or Avar) Treasure as a case study to explore the role and value assigned to the named treasure during the early twentieth century, a moment when Americans – most notably J.P. Morgan – were among the wealthiest and most avid collectors of Byzantine and medieval art. Outlining the market conditions for such treasures, the archaeological practices that authenticated them, and the art historical categories that gave them meaning, the paper demonstrates the extent to which the archaeological treasure was a social creation built by various players: finders, dealers, scholars, museums and collectors. 相似文献
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Ashish K. Sen 《Geographical analysis》1976,8(1):23-37
This paper considers contiguity preserving map transformations (or cartograms) that have a preassigned arcal scale. Because for each such scale it is possible to construct infinitely many transformations, this paper investigates restrictions under which such cartograms are possible. It is shown that it is possible to construct transformations that preserve the location of boundaries and of any finite number of predefined points. However, these cartograms are often quite distorted. Different types of distortions and suitable measures are discussed. 相似文献
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论安倍晋三的"美丽国家"构想 总被引:1,自引:0,他引:1
“美丽国家”是安倍晋三所追求的理想的国家建设目标。其主要目的在于重新认定日本的国际地位。其采取的手段是改革教育基本法和修改宪法。从安倍内阁的教育理念与国体思想来看,安倍构想的“美丽国家”具有复古的味道。 相似文献