The Quarterly journal of the Geological Society of London . ing thicknessof the same sub-zone in Derbyshire. The fact that simple Dibuno-phyllids have not been f»»und at Breedon can hardly be considei-edof value, as dolomitization has rendered it very difhcult to identifysuch corals as do occur. Kven the Derbyshire normal limest<mesare ])oorly fossiliferous, and Dihiinoithtflhnn occurs there but rarelyin the lower portions of D,. The typical form of Pr<uhictu»gif/antrua does not occur in this sub-zone in either distinct, butPrndurtiix afT. fjiqiinirifs docs occur. * Q. J. (i. S. vol. Ixi
The Quarterly journal of the Geological Society of London . ing thicknessof the same sub-zone in Derbyshire. The fact that simple Dibuno-phyllids have not been f»»und at Breedon can hardly be considei-edof value, as dolomitization has rendered it very difhcult to identifysuch corals as do occur. Kven the Derbyshire normal limest<mesare ])oorly fossiliferous, and Dihiinoithtflhnn occurs there but rarelyin the lower portions of D,. The typical form of Pr<uhictu»gif/antrua does not occur in this sub-zone in either distinct, butPrndurtiix afT. fjiqiinirifs docs occur. * Q. J. (i. S. vol. Ixiv (ll»os) pp. 42 ei sfqtj. 102 ME. L. M. PARSONS ON THE CAKBONIFEROUS [vol. Ixxiii, 2. D2; the sub-zone of Lonsdalia jioriformis. The following characters of the Leicestershire fauna illustrategeneral similarities of this sub-zone in the two districts:—Thepresence of CampopliijUum derhiense, Cyatliopliyllum regium,Lithostrotion irregulare, L. portlocki, Zaphrenticls in the upper-most beds, the great number of variants ^f Froductus giganteus, Fig. )MatIock BatWirksworth . Ashbourne \^ r<; ~-°^ % Sketch-map showing the topographical position of the Leicestershire Area relative to the Waterhouses Development Scale of Mileso s 10
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845
