叶家山墓地出土青铜尊的价值揭示与保护修复研究

Research on Value Disclosure and Protection and Restoration of Unearthed Bronze Statues in Yejiashan Cenetary

青铜尊(M126:7)2013年出土于随州叶家山西周早期曾国墓地M126的东二层台中部。出土时,器物内外表均被蓝绿色及红色锈蚀物覆盖,器表纹饰及铭文肉眼无法识别,器身上部有一长一短两条放射状裂隙,存在继续发育进一步损坏器物的风险。利用XRD、拉曼光谱、XRF、X射线探伤等技术手段对器表的腐蚀产物、器物基体成分以及隐含的信息进行分析和观察,其结果:器物基体为铜、锡、铅三元合金,器表腐蚀类型为Ⅰ型点腐蚀,腐蚀产物多为碱式碳酸铜,点蚀坑处有氯化亚铜和氯化铜,器物底部有着珍贵的铭文,器表有精美纹饰。为长期保护、保存其文物价值,对此进行了一系列保护、修复研究和保护处理,达到了文物价值保护和保存的目标。

The Bronze Zun was unearthed in the second mesa of M126 in the high ranking Western Zhou dynasty cemetery of Zeng State in Yejiashan,Suizhou County in 2013.The surface of the bronze was covered by blue-green and red corrosion.The emblazonry and the inscriptions cannot be discerned.The corrosion,elements,covered information of the Bronze Zun were detected and analyzed by XRD,Raman spectra,XRF and X-ray imaging.The results show that the bronze is ternary alloy of copper,tin and lead,and the type of corrosion is CorrosionⅠ.The corrosion products are mainly azurite and malachite,and the corrosion of"pitting corrosion"is atacamite and paratacamite.The X-ray image of the bronze shows some important emblazonry and the inscriptions.Research,preservation and restoration of the Bronze Zun are in need to achieve the goal of promoting and preserving the value of cultural relics.