File:Geological magazine (1891) (14591621609).jpg

Identifier: geologicalmagazi381891wood (find matches)
Title: Geological magazine
Year: 1864 (1860s)
Authors: Woodward, Henry, 1832-1921
Subjects: Geology
Publisher: London (etc.) Cambridge University Press
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
-t ^ CONCRETIONS FROM THt MAGNESIAN LIMESTONE OF DURHAM,
Text Appearing After Image:
-M^:^^ THE GEOLOGICAL MAGAZINE. NEW SERIES. DECADE Ml. VOL. VIII. No. X.—OCTOBER, 1891. oiax<3-iisr.A.Xi JLiaTioXiES. I.—On the Origin and Mode of Formation of the ConcretionsIN the Magnesian Limestones op Durham. ByE, J. Garwood, B.A.,.F.G.S.(PLATES XII. and XIII.) IN 1826, 27, and 28, Prof. Sedgwick contributed to the GeologicalSociety of London his classical papers on the MagnesianLimestone of the East of England,^ in which he describes in detailthe concretionary structures which occur in many of the beds of thisformation in Durham. Although he describes these concretions in minute detail, he saysbut little as to their probable origin, but it is clear that he regardedthem as composed of carbonate of lime derived from the beds inwhich they occur, when he says—The particles (of lime), afterdeposition, appear to have run into lumps and masses more or lesscrystalline, rejecting great portions of the earthy residuum. ^ SinceProf. Sedgwicks papers little seems to have been contr

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