翻訳と辞書
Words near each other
・ Bishop's Caundle
・ Bishop's chaplain
・ Bishop's Cleeve
・ Bishop's Cleeve F.C.
・ Bishop's Clyst
・ Bishop's College
・ Bishop's College (Sri Lanka)
・ Bishop's College School
・ Bishop's College, Cheshunt
・ Bishop's Court railway station
・ Bishop's Cove
・ Bishop's crown
・ Bishop's Falls
・ Bishop's fossorial spiny rat
・ Bishop's Frome
Bishop's Frome Limestone
・ Bishop's Gaiters
・ Bishop's Glen Reservoir
・ Bishop's Green
・ Bishop's Green, Essex
・ Bishop's Hill Wood
・ Bishop's House
・ Bishop's House (Portland, Oregon)
・ Bishop's House Iona
・ Bishop's House, Birmingham
・ Bishop's House, Hong Kong
・ Bishop's House, Perth
・ Bishop's House, Toowoomba
・ Bishop's Hull
・ Bishop's Itchington


Dictionary Lists
翻訳と辞書 辞書検索 [ 開発暫定版 ]
スポンサード リンク

Bishop's Frome Limestone : ウィキペディア英語版
Bishop's Frome Limestone
The Bishop's Frome Limestone (or Bishops Frome Limestone) is a rock unit within the Raglan Mudstone Formation of the Old Red Sandstone occurring in the border region between England and South Wales. This limestone is a calcrete, that is to say it originated as a soil during a break in deposition rather than being an original marine deposit. It is perhaps the most significant of all of the calcretes which occur within the uppermost Silurian and lower Devonian sequence of rocks which constitute the Old Red Sandstone of the Anglo-Welsh Basin. It defines the boundary within the basin between the Silurian and the Devonian periods. The rock was formerly known as the Psammosteus Limestone after a characteristic fossil fish recorded from it; ''Psammosteus anglicus''. The fossil remains were subsequently shown to have been wrongly identified and belong in fact to ''Traquairaspis symondsi''.〔Toghill, P. 2006 ''Geology of Shropshire'' (2nd edn) Swan Hill Press, Marlborough, Wilts ISBN 1-86126-803-3〕 Its modern name derives from the Herefordshire village of Bishop's Frome. Its thickness is variable ranging from 2m up to 8m.〔http://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=BFLS〕
==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「Bishop's Frome Limestone」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.