翻訳と辞書 Words near each other ・ Purdue Boilermakers ・ Purdue Boilermakers baseball ・ Purdue Boilermakers basketball ・ Purdue Boilermakers football ・ Purdue Boilermakers football, 1950–59 ・ Purdue Boilermakers men's basketball ・ Purdue Boilermakers women's basketball ・ Purdue Crew ・ Purdue Enterprise Reference Architecture ・ Purdue Exponent ・ Purdue Grand Prix ・ Purdue Homeland Security Institute ・ Purdue Improved Crop Storage (PICS) bags ・ Purdue Memorial Union ・ Purdue Outing Club ・ Purbeck stone ・ Purbeck's Cove ・ Purbeckodon ・ Purbeckopus ・ Purbek Kalk Formation ・ Purbi Joshi ・ Purbia ・ Purbiya ・ Purble Place ・ Purbo Banglar Communist Party ・ Purbrook ・ Purbrook Heath ・ Purbrook Park School ・ Purbuchok Hermitage ・ Purcarel Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Purbeck stone ： ウィキペディア英語版 Purbeck stone Purbeck stone refers to building stone taken from a series of limestone beds found in the Upper Jurassic to Lower Cretaceous Purbeck Group, found on the Isle of Purbeck, Dorset in southern England. The best known variety of this stone is Purbeck Marble. The stone has been quarried since at least Roman times up to the present day. ==Geology== The Purbeck Group is a sequence of sedimentary rocks that were deposited in a shallow freshwater to brackish lagoonal setting. It ranges in age from Tithonian to Berriasian. Limestone beds are developed at various levels throughout the sequence, each with a different character, which led to them being quarried for specific uses. Towards the top of the Lulworth Formation is the 'New Vein'. In the lower part of the Durlston Formation are the 'Downs vein, 'Freestone Vein' and the 'Laning Vein'. Towards the top of the Durlston are the 'Burr' (or Broken Shell Limestone) with up to three beds of the 'Purbeck Marble' above that. 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「Purbeck stone」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.