“南海Ⅰ号”出水漆器残片的成分结构分析

为了用现代化学分析手段来剖析“南海Ⅰ号”漆器的髹漆工艺,以“南海Ⅰ号”出水的3片不同髹漆工艺的漆片为例,采用显微镜(OM)、X射线衍射仪(XRD)、扫描电子显微镜-能谱仪(SEM-EDS)、傅里叶红外光谱仪(FT-IR)、共聚焦拉曼光谱仪(Raman)等科学测试仪器进行研究,从髹漆的层数、显色材料的成分、漆膜的成分、漆灰的结构和成分、胎体的结构等方面来深度剖析“南海Ⅰ号”出水漆器残片的结构及制作工艺。表面显微观察显示漆片花纹精致美观,细部处理到位;截面显微观察显示剔红样品共有9层,分别是外漆5层,内漆1层,内外漆灰各1层,胎体1层;剔犀样品共7层,分别是外漆3层,内漆1层,内外漆灰各1层,胎体1层;褐漆样品共6层,分别是外漆和内漆各1层,内外漆灰各1层,内漆灰中加杂1层编织物层,胎体1层。拉曼测试结果表明3块漆片中红色显色材料为朱砂(HgS),黄色显色材料为雌黄(As_(2)S_(3)),黑色显色材料为炭黑(C)。样品中内外漆灰成分为羟基磷酸钙[Ca_(5)(PO_(4))_(3)(OH)]、石英(SiO_(2))和水合草酸钙[CaC_(2)O_(4)(H_(2)O)_(2.375)]等常见物质。漆膜的成分是生漆中添加了少量的石英颗粒,没有添加桐油作为助剂。     

The Beaufort Inlet shipwreck project

Beaufort Inlet site 0003BUI was discovered off the coast of North Carolina in the autumn of 1996. Preliminary analysis of the site and its artefact assemblage has led researchers to tentatively identify the shipwreck as the pirate Blackbeard's flagship, Queen Anne's Revenge , known to have been lost near the inlet in 1718. A wide variety of artefacts have been recovered during the three field seasons conducted annually since 1997; this paper presents the most recent findings.     

The Studland Bay wreck, Dorset, UK: hull analysis

Upon the discovery and protection of a presumed 16th-century wreck off Poole Harbour, one of the largest underwater excavations in England was carried out between 1984 and 1992. In 1997–8 the author examined the archive and recovered objects with the aim of publishing the present report on the hull remains. The paper demonstrates how much can be learned about construction and design from in-situ recording. The similarities and differences between this vessel and other vessels of the so-called Iberian-Atlantic building tradition are analysed, and rigging modifications suggested. The vessel has never been scientifically dated, but a typological date bracket is based on onboard artefacts.     

An Arab-Period merchant vessel at Tantura Lagoon, Israel

During the excavation and analysis of a 6th-century AD vessel in Tantura Lagoon, Israel, members of the joint Institute of Nautical Archaeology and Center for Maritime Studies team located an Arab-Period vessel in the vicinity. The dating of the vessel to the 8th–9th century AD is based on pottery, found in association with timbers. Only a matter of days before the end of the excavation season, one end of the vessel was unearthed and preliminary recordings, drawings, and photographs were made. None of the timbers were removed from their in-situ positions for analysis as both time and facilities were not permitting. Though a full analysis was not possible, information gleaned during the several days of recording affords an understanding of the ship's construction.     

Cost-effective deep water archaeology: preliminary investigations in Trondheim Harbour

In the past few years there has been an increased interest in deep water archaeology, and a growing number of archaeological institutions now use remote sensing equipment and remotely operated vehicles (ROVs) to locate and investigate deep water archaeological sites. The article presents some important projects that have been carried out around the world. These include Norwegian projects. In Trondheim Harbour several shipwrecks have been located in relatively deep water. One of these wrecks was selected as an experimental site for testing new methods, and the results of this work, including documentation and excavation with ROVs and other robotic solutions, are presented. © 2000 The Nautical Archaeology Society     

Marine geophysical investigation of the inshore coastal waters of Northern Ireland

Northern Ireland has been subject to significant maritime influences throughout its 9000-year known human history. In 1997 the University of Ulster in partnership with the Environment and Heritage Service (DOE, NI) embarked on a programme of seabed mapping in an attempt to record the submerged and buried archaeological resource using a suite of geophysical equipment including a side-scan sonar, a Chirp sub-bottom profiler and a proton precession magnetometer. The geophysical research programme has successfully imaged 80 19th- and 20th-century wrecks, and 20 targets of further archaeological potential. These data will aid the production of wreck-prediction indices for the coastline of Northern Ireland based on site formation processes and site stability. This information will make valuable additions to both Sites and Monuments Records and to the shipwreck database currently under consideration at the University of Ulster.