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91.
The magnetic properties of obsidians are examined for their potential in sourcing obsidian artifacts. The three simplest to determine magnetic parameters—initial intensity of magnetization, saturation magnetization and low field susceptibility—are found to be effective discriminants of many Mediterranean, Central European and near Eastern sources. Although the between-source precision is not as good as geochemical analyses of minor and rare-earth elements, the technique demonstrated the existence of new sources that were subsequently confirmed by minor element analyses. Unfortunately some key sources do not appear to be readily distinguishable on these three simple magnetic parameters alone, although more sophisticated magnetic analyses may prove diagnostic. Despite this, it would appear that effective discrimination can be made in many cases, occasionally with more precision than minor element analyses. This technique therefore offers, as a minimum, a preliminary sourcing tool for use in many areas of the world, thus reducing the number of expensive geochemical analyses. Furthermore, its very low cost, non-destructive nature and speed open the possibility of quantitative evaluation of trade routes based on obsidian distributions, particularly as versions of the equipment are now suitable for use in the field. 相似文献
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Ksenija Borojevic Warren E. Steiner Jr. Rainer Gerisch Chiara Zazzaro Cheryl Ward 《Journal of archaeological science》2010
Our investigations combine detailed identification and interpretation of plant remains and associated fauna and their mode of arrival in one of the rock-cut galleries, Cave 3, at the site of Mersa/Wadi Gawasis on Egypt’s Red Sea coast. The site served as a staging area and harbor from which Middle Kingdom pharaohs launched seafaring expeditions to the land of Punt in the early second millennium BC. Quantities of wood, including ship timbers, fastenings, debris related to ship dismantling and reworking, and charcoal were excavated and analyzed. Evidence of marine mollusk infestation (shipworm) was abundant in Cave 3, as were the remains of insect pests of stored foods. We also report on a unique find of a plaster “spill” that preserved the floor of Cave 3 as it was when people worked in the gallery ca. 3800 years ago. The plaster spill created a sealed deposit of plant and insect remains with a diagnostic ceramic fragment, allowing us to securely associate insect remains and “hollow” spikelets of emmer wheat (Triticum dicoccum) recovered from the gallery. An impression of the beetle Trachyderma hispida and its associated exoskeleton fragments provide new evidence of this species as a potential pest not yet reported from an archaeological grain storage site in Egypt. The finding of Tenebroides mauritanicus from the same deposit is the earliest known association of this pest with stored grains. These unique finds shed new light on the risks associated with preserving food supplies, combating pest infestation, and dealing with marine organisms on land and at sea in the pharaonic harbor. 相似文献
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C.Warren Hollister 《Journal of Medieval History》1975,1(1):19-41
On 1 January 1127 Henry 1 made his magnates and prelates swear to accept his daughter Maud as heiress to England and Normandy. In the months prior to the oathtaking, certain identifiable curiales ~ Robert earl of Gloucester, Brian fitz Count, and David king of Scots - seem to have been supporting Maud's candidacy. Others, including Roger bishop of Salisbury and his kinsmen, appear to have opposed her and perhaps to have supported Henry's nephew, William Clito, as heir.The factions resurfaced at Henry's death in December 1135. William Clito having died in the meantime, Roger of Salisbury became one of Stephen of Blois' earliest and strongest supporters. Maud's former friends, Robert of Gloucester and Brian fitz Count, were temporarily immobilized by a violent break between Henry and Maud in the closing months of Henry's reign, but they, along with King David, subsequently became Maud's most active and consistent champions.The two factions differed neither in socioeconomic background nor in ideology. It was not a question of old baronial families on one side and newly-risen curiales on the other, but simply of differing personal allegiances originating in the divisions among Henry's courtiers in 1126. 相似文献
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Warren Shapiro 《Oceania; a journal devoted to the study of the native peoples of Australia, New Guinea, and the Islands of the Pacific》2014,84(1):19-37
In a recent two‐part article on the nature of kinship, Marshall Sahlins maintains that performative criteria for kin‐reckoning are at least as salient as procreative ones, and that, at conception, an individual is endowed with a wide circle of kin, including the ancestral dead. For both reasons, he argues, there is no warrant for granting privileged status to what anthropologists have called ‘primary’ kinship. The contentions here are that performative criteria are modeled upon procreative ones; that ties to ancestral figures are seen as antithetical to procreative ties; and that, therefore, all kinship constructs are derived from nuclear family relationships. Evidence in support of these contentions is provided from the Mae Enga, Fiji, the Trobriands, and Aboriginal Australia. 相似文献