翻訳と辞書 Words near each other ・ Gravel Range ・ Gravel Ridge, Arkansas ・ Gravel road ・ Gravel Run ・ Gravel Run (Black Creek) ・ Gravel Run (Susquehanna River) ・ Gravel Springs, Virginia ・ Gravel stop ・ Gravel Switch, Kentucky ・ Gravel Switch, Livingston County, Kentucky ・ Gravel v. United States ・ Graveland ・ Gravelbourg ・ Gravelbourg (electoral district) ・ Gravelbourg Airport ・ Gravelbourg Formation ・ Graveldiver ・ Graveley ・ Graveley, Cambridgeshire ・ Graveley, Hertfordshire ・ Gravelford, Oregon ・ Gravelhanger ・ Gravelines ・ Gravelines (horse) ・ Gravelines Nuclear Power Station ・ Gravelines Sportica ・ Gravelkit ・ Gravelle Craig ・ Gravellona ・ Gravellona Lomellina 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 Gravelbourg Formation ： ウィキペディア英語版 Gravelbourg Formation The Gravelbourg Formation is a stratigraphical unit of Bajocian age in the Western Canadian Sedimentary Basin. It takes the name from the town of Gravelbourg, and was first described in well ''Tidewater Eastend Crown No. 1'' by R.L. Milner and G.E. Thomas in 1954.〔Milner, R.L. and Thomas, G E., 1954. Jurassic System in Saskatchewan. In: Western Canada Sedimentary Basin, American Association of Petroleum Geologists, p. 250-267〕 ==Lithology== The Gravelbourg Formation is divided in two members, Lower and Upper Gravelbourg. The lower member is composed of dolomitic limestone with green shale laminations in the upper part, chalcedonic chert and anhydrite in the lower part and a basal shale bed with fish scales and anhydrite. The upper Gravelbourg consists of dark shale with sandstone and argillaceous limestone stringers and a tan mudstone bed at the top. 〔 〕 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「Gravelbourg Formation」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.