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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Windust Caves Archaeological District ： ウィキペディア英語版 Windust Caves Archaeological District The Windust Caves are a series of nine caves that have been eroded into the side of a basalt cliff on the north side of the lower Snake River. The caves were excavated from 1959 until 1961 by a crew led by Harvey S. Rice.〔American Antiquity〕 Some of the caves had been disturbed, though also somewhat preserved from looting by collectors, by rock falling off the roofs of the caves during construction of the Northern Pacific Railway. Other caves were damaged by collectors.〔Davis, p.138〕 In 1961, upon completion of the Ice Harbor Lock and Dam, the caves were flooded by the reservoir known as Lake Sacajawea. Archaeologists have determined that there were five separate periods of human cultural occupation of the site, though the periods are thought to have been in an unbroken succession, which ended during the historic period.〔Davis, p.141-143〕 The earliest finds at the site are very similar to the finds at Marmes Rockshelter, all of which have been classified as belonging to the archaeological phase known as the Windust Phase.〔Fiedel, p.121〕 They point to a lifestyle that was seminomadic. The spear points differed from the earlier Clovis points, in that they were stemmed and leaf-shaped. Radiocarbon dating suggests that the points were made between 8,500 and 6,000 BCE.〔Keyser, p.24〕 Roald H. Fryxell defined the ten layers (above the basalt floor) of stratigraphy of the site.〔Davis, pp.138-140〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Windust Caves Archaeological District」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.