^0. 677. 



Vol. LVII of Whole Series. 



Price 2s. 6d. 



The 



aj^SiZl]16 



HDontblv) Journal of (3eoIO(3v, 



WITH WHICH IS INCOHPOKATKD 



THE GEOLOGIST, 



EDITED BY 



HENRY WOODAVARD, LL.D., F.W^,. . ,„-^,. 



R. H. RASTALI^^ M.A. 



ASSISTED BY 



PROF. J. W. GREGORY. D.Sc, F.R.S. Sir JETHRO J. H. TEALL, Sc.D., F.R.S. 



F. H. HATCH, Ph.D., M.Inst.M.M. Prop. W. W. AVATTS, Sc.D., F.R.S. 



PHOr. J. E. MARK, Sc.D., F.R.S. HENRY WOODS, M.A., F.R.S. 



A. SMITH WOODWARD, LL.D., F.R.S. 



NOVEMBER, 1920. 



CONTENTS :— 



Page 

 Editorial Notes 481 



A great American Geologist. 

 (Plate X.) 483 



Original Articles. 



The Quartzose Conglomerate at 

 Caldon Low. By .J. W. JACKSON 

 and J. K. Charlesworth 487 



Metamoi'phism of Dolomites in 

 South Australia. By C E. 

 TiLLEY. (Plate XI.) {Concluded 

 from p. 462.) 492 



Echinoidea from Western I'ersia. 

 By Professor J. W. Gregory, 

 F.E.S., and Miss E. CURRIE. 

 (Plate XII.) 500 



The Iron Ore Supplies of the World. 

 By Dr. F. H. Hatch, O.B.E.... 504 



IlEViEWS. Page 



Late Glacial Deposits in Finland... 518 



Reptiles of the Karroo System 519 



Iron Ores of the Cuyuna District, 



Minnesota 520 



South Australian Mining 520 



Polarized Light and Opaque 



Minerals 521 



■ Eeports AND Proceedings. 



Edinburgh Geological Society 521 



InstitutionofMiningand Metallurgy 522 



Cornish Institute of Engineers ... 523 



Correspondence. 



F. Dixey 524 



C. T. A. Gaster 526 



J. D. Falconer 526 



Obituary. 



S. L. Tornquist ' 527 



J. S. Geikie 528 



C. C. Moore 529 



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