The Philosophical magazine; a journal of theoretical, experimental and applied physics . ///////// I - ////?/,. Fi^i-. ,l(i(t^,vv/ ? Varoc/jfiterl AppearafiCM- of f-Jte ¥m and OldJied Sa////AiU//i^. THELONDON, EDINBURGH and DUBLIN PHtLOSOPHICAL MAGAZLNE AND JOURNAL OF SCIENCE. [THIRD SERIES.] JULY 1843. I. Remarks on the Variegated Appearances of the Next) andOld Red Sandstone Systems. By Captain James, RoyalEngineers, , S^c.* [Illustrated by Plate I.] TJTAVING in company wiih Sir Henry De la Beclie andProfessor Phillips, examined a lar^re tract of countrylast yeai, including Here
The Philosophical magazine; a journal of theoretical, experimental and applied physics . ///////// I - ////?/,. Fi^i-. ,l(i(t^,vv/ ? Varoc/jfiterl AppearafiCM- of f-Jte ¥m and OldJied Sa////AiU//i^. THELONDON, EDINBURGH and DUBLIN PHtLOSOPHICAL MAGAZLNE AND JOURNAL OF SCIENCE. [THIRD SERIES.] JULY 1843. I. Remarks on the Variegated Appearances of the Next) andOld Red Sandstone Systems. By Captain James, RoyalEngineers, , S^c.* [Illustrated by Plate I.] TJTAVING in company wiih Sir Henry De la Beclie andProfessor Phillips, examined a lar^re tract of countrylast yeai, including Herefordshire and (Tloncestershirc, whereboth the Old and New Red Sandstone systems are so welldeveloped, I observed that that peculiarity in colour whichhas obtained for the New Reil Sandstone grouji the name ofVariegated or Poikilitic, was not due to any j)eculiarity ofcolour in the nature of the sand or marl de}iositecl, nor toany peculiarity in the mode of deposition, but that it was duesimply and solely to a cause coming into action since the de-position of the strata; and in point of fact this variegated ap-pearance is produced bys03philosophicalmag23londuoft
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