GEOLOGICAL SOCIETY OF LONDON

Transcription

1 Nos THE QUARTERLY JOURNAL OF THE GEOLOGICAL SOCIETY OF LONDON EDITED BY THE ASSISTANT SECRETARY VOLUME CI, PARTS I 2 (IssuED 3 OCTOBER, 1945) LONDON : LONGMANS, GREEN & CO. LTD. 43 ALBERT DRIVE, S.W.x9 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY BURLINGTON HOUSE, PICCADILLY, W.I Price Seven Shillings and Sixpence

2 GEOLOGICAL SOCIETY OF LONDON LIST OF THE OFFICERS AND COUNCIL Elected 14 March, 1945 PRESIDENT Prof. Arthur Elijah Trueman, D.Sc. F.R.S. VIcE-PRESIDENTS Prof. William George Fearnsides, M.A. Murray Macgregor, M.A.D.Sc. F.R.S.E. F.R.S. Leonard James Spencer, C.B.E.M.A. Sir Lewis Leigh Fermor, O.B.E.D.Sc. Sc.D.F.R.S.F.C.S. F.R.S.A.R.S.M.M.Inst.M.~I. SECRETARIES Prof. William Bernard Robinson King, David Williams, Ph.D. M.Sc. B.E. O.B.E.M.C.M.A. Sc.D. M.Inst.M.M. FOREIGN SECRETARY Sir Thomas Henry Holland, K.C.S.I.K.C.I.E.D.Sc. LL.D.F.R.S. Frederick Noel Ashcroft, M.A.F.C.S. Sir Edward Battersby Bailey, M.C. M~A. D.Sc. F.R.S.F.R.S.E. Alfred Joseph Bull, M.Sc. Ph.D.F.R.G.S. Oliver Meredith Boone Buhnan, Sc.D. Ph.D.F.R.S.A.R.C.S.D.I.C. Percy Evans, M.A. Prof. William George Fearnsides, 5LA. F.R.S. Sir Lewis Leigh Fermor, O.B.E.D.Se. F.R.S.A.R.S.M.M.Inst.M.~. Prof. William Thomas Gordon, I~I.A.D.Sc. F.R.S.E. Arthur Francis Hallimond, M.A. Sc.D. Sir Thomas Henry Holland, K.C.S.I. K.C.I.E.D.Sc. LL.D.F.R.S. Sydney Ewart HoUingworth, M.A.D.Sc. TREASURER Frederick Noel Ashcroft, M.A.F.C.S. COUNCIL Prof. William Bernard Robinson King, O.B.E. Y[.C.M.A. Sc.D. Murray Macgregor, M.A.D.Sc. F.R.S.E. Stephen Robert Nockolds, Ph.D.B.Sc. Kenneth Stuart Sandford, T.D.M.A. D.Sc. D.Phil. Leonard James Spencer, C.B.E.M.A. Sc.D.F.R.S.F.C.S. Alfred Harold Taitt, B.Se. Henry Dighton Thomas, ~.A. Ph.D. Prof. Arthur Elijah Trueman, D.Sc. F.R.S. Henry Cherry Versey, D.Sc. Rupert Cavendish Skyring Walters, B.Sc. M.Inst.C.E. Talbot Haes Whitehead, M.Sc. A.R.C.S. David Williams, Ph.D. ~I.Sc. B.E. M.Inst.M.M. ASSISTANT SECRETARY AND EDITOR Arthur Greig LIBRARIAN CLERK Miss E. D. Eastwood Miss N. P. Morris DEPUTY LIBRARIAN Miss D. C. Legg ASSISTANT LIBRARIAN Miss A. Barber STANDING PUBLIGATION COMMITTEE Prof. A. E. Trueman Pr,sident Prof. W. B. R. King~ Secretaries Prof. W. G. Fearnside~ Dr. D. Williams J Prof. W. T. Gordon Sir T. Holland, Foreiqn Secretary Dr. S. E. Hollingworth Mr. F. N. Ashcroft, Treasurer Dr. M. Macgregor Dr. A. J. Bull Dr. S. R. Nockohts Dr. O. M. B. Bulman Dr. H. C. Versey

3 DISCUSSION ON PAPERS IN THE QUARTERLr JOURNAL The Council announces that the pages of the Quarterly Journal are open to the discussion of papers which have already appeared in the Journal. While every Fellow may contribute to these discussions, they are intended primarily for the benefit of Fellows (and particularly those resident overseas) who are unable to attend the meetings of the Society, and to afford such Fellows a closer contact with the Society's activities. Fellows are requested to comply with the following regulations when submitting their contributions to these discussions, since it will not be possible for the Secretaries to enter into correspondence about them or to submit proofs to the contributors. a. Notice will be given in each part of the Journal (normally below the table of contents on the back page of the cover) of the latest date by which discussion of papers in that part will be accepted for consideration. The date selected will be such that all overseas Fellows will have reasonable time to contribute to the discussion. b. Contributions to these discussions should not as a rule exceed 250 words (half a page of the Journal), and they will be subject to editing by the Secretaries. They should be typewritten, and the title of the paper discussed, and the name of its author, appear plainly at the top of the typescript. c. Discussion of the papers published in one volume will normally appear in part 2 of the succeeding volume. d. Participation in the discussion at a meeting, and the publication of his remarks in the Abstracts of Proceedings, will not preclude a Fellow from making a contri. bution to the subsequent Journal discussion. The Council desires, in view of the present financial stringency and of the desirability of publishing in the Quarterly Journal all suitable papers with the least possible delay and at the lowest possible cost, to draw the attention of Fellows and other authors of papers to the necessity of reducing manuscripts and illustrations to the minimum, consistent with clear presentation of the subject-matter. Authors who have in view the submission of papers to the Society should apply for the printed' Instructions to Authors ' which the Secretaries will forward, with such other i~ormation as may be necessary. The Library at the Apartments of the Sectary is open on weekdays from 10 o'clock until 5 o'clock (Saturdays, 10 a.m.-4 p.m.).

4 CONTENTS PAGE 1. R. G. S. HUDSO~ and G. COTTOn. The Carboniferous rocks of the Edale anticline, Derbyshire. (Plate I) T. C. PHEMISTER. The Coast Range batholith near Vancouver, British Columbia. (Plate II) W. D. Ev~s. The geology of the Prescelly Hills, north Pembrokeshire. (Plates III and IV) J. F. M. DE I~AAF. Notes on the geology of the southern Rumanian oil district with special reference to the occurrence of a sedimentary laccolith. (Plates V and VI) 111 Discussion on papers published in previous volumes of the Quarterly Journal Proceedings of the Geological Society, Session , including the proceedings at the Annual General Meeting, with the Report of the Council, the Accounts and Estimates and Addresses to Medallists and recipients of Funds i-xxxvi Written contributions to the discussions on papers published in this part of the Quarterly Journal will be accepted up to 80 June, Instructions as to the form in which contributions should be submitted will be found on p. iii of cover. The Editor of the Quarterly Journal is directed to make it known to the Public that the Authors alone are responsible for the facts and opinions contained in their respective papers, and for the correctness of their references. PRINTED IN GREAT BRITAIN BY RICHARD CLAY ~TD OOEPklff, LTD BUNGAY, SUFFOLK.

5 Nos THE QUARTERLY JOURNAL OF THE GEOLOGICAL SOCIETY OF LONDON EDITED BY THE ASSISTANT SECRETARY VOLUME CI, PARTS 3 & 4 (IssuED 28 FEBRUARY, I946 ) LONDON : LONGMANS, GREEN & CO. LTD. 43 ALBERT DRIVE, S.W.I 9 SOLD AI~O AT THE APARTMENTS OF THE SOCIETY BURLINGTON HOUSE, PICCADILLY, W.I Price Seven Shillings and Sixpence

6 GEOLOGICAL SOCIETY OF LONDON LIST OF THE OFFICERS AND COUNCIL Elected 14 March, 1945 PRESIDENT Prof. Arthur Elijah Trueman, D.Sc. F.R.S. VIcE-PRESIDENTS Prof. William George Fearnsides, M.A. Murray Macgregor, M.A.D.Sc. F.R.S.E. F.R.S. Leonard James Spencer, C.B.E.M.A. Sir Lewis Leigh Fermor, O.B.E.D.Sc. Sc.D.F.R.S.F.C.S. F.R.S.A.R.S.M.M.Inst.M.~I. SECRETARIES Prof. William Bernard Robinson King, David Williams, Ph.D. M.Sc. B.E. O.B.E.M.C.M.A. Sc.D. M.Inst.M.M. FOREIGN SECRETARY Sir Thomas Henry Holland, K.C.S.I.K.C.I.E.D.Sc. LL.D.F.R.S. Frederick Noel Ashcroft, M.A.F.C.S. Sir Edward Battersby Bailey, M.C. M~A. D.Sc. F.R.S.F.R.S.E. Alfred Joseph Bull, M.Sc. Ph.D.F.R.G.S. Oliver Meredith Boone Buhnan, Sc.D. Ph.D.F.R.S.A.R.C.S.D.I.C. Percy Evans, M.A. Prof. William George Fearnsides, 5LA. F.R.S. Sir Lewis Leigh Fermor, O.B.E.D.Se. F.R.S.A.R.S.M.M.Inst.M.~. Prof. William Thomas Gordon, I~I.A.D.Sc. F.R.S.E. Arthur Francis Hallimond, M.A. Sc.D. Sir Thomas Henry Holland, K.C.S.I. K.C.I.E.D.Sc. LL.D.F.R.S. Sydney Ewart HoUingworth, M.A.D.Sc. TREASURER Frederick Noel Ashcroft, M.A.F.C.S. COUNCIL Prof. William Bernard Robinson King, O.B.E. Y[.C.M.A. Sc.D. Murray Macgregor, M.A.D.Sc. F.R.S.E. Stephen Robert Nockolds, Ph.D.B.Sc. Kenneth Stuart Sandford, T.D.M.A. D.Sc. D.Phil. Leonard James Spencer, C.B.E.M.A. Sc.D.F.R.S.F.C.S. Alfred Harold Taitt, B.Se. Henry Dighton Thomas, ~.A. Ph.D. Prof. Arthur Elijah Trueman, D.Sc. F.R.S. Henry Cherry Versey, D.Sc. Rupert Cavendish Skyring Walters, B.Sc. M.Inst.C.E. Talbot Haes Whitehead, M.Sc. A.R.C.S. David Williams, Ph.D. ~I.Sc. B.E. M.Inst.M.M. ASSISTANT SECRETARY AND EDITOR Arthur Greig LIBRARIAN CLERK Miss E. D. Eastwood Miss N. P. Morris DEPUTY LIBRARIAN Miss D. C. Legg ASSISTANT LIBRARIAN Miss A. Barber STANDING PUBLIGATION COMMITTEE Prof. A. E. Trueman Pr,sident Prof. W. B. R. King~ Secretaries Prof. W. G. Fearnside~ Dr. D. Williams J Prof. W. T. Gordon Sir T. Holland, Foreiqn Secretary Dr. S. E. Hollingworth Mr. F. N. Ashcroft, Treasurer Dr. M. Macgregor Dr. A. J. Bull Dr. S. R. Nockohts Dr. O. M. B. Bulman Dr. H. C. Versey

7 DIScussIoN ON PAPERS IN THE QVARTERLY JOVR~VAL The Council announces that the pages of the Quarterly Journal are open to the discussion of papers which have already appeared in the Journal. While every Fellow may contribute to these discussions, they are intended primarily for the benefit of Fellows (and particularly those resident overseas) who are unable to attend the meetings of the Society, and to afford such Fellows a closer contact with the Society's activities. Fellows are requested to comply with the following regulations when submitting their contributions to these discussions, since it will not be possible for the Secretaries to enter into correspondenco about them or to submit proofs to the contributors. a. Notice will be given in each part of the Journal (norreally below the table of contents on the back page of the cover) of the latest date on which discussion of papers in that part will be accepted for consideration. The date selected will be such that all overseas Fellows will have reasonable time to contribute to the discussion. b. Contributions to these discussions should not as a rule exceed 250 words (half a page of the Journal), and they will be subject to editing by the Secretaries. They should be typewritten, and the title of the paper discussed, and the name of its author, appear plainly at the top of the typescript. c. Discussion of the papers published in preceding volumes will normally appear in part 2 of each volume. d. Participation in the discussion at a meeting, and the publication of his remarks in the Abstracts of Proceed. ings, will not preclude a Fellow from making a contri. bution to the subsequent Journal discussion. The Council desires, in view o! the present financial stringency and of the desirability of publishing in the Quarterly Journal all suitable papers with the least possible delay and at the lowest possible cost, to draw the attention o! Fellows and other authors o! papers to the necessity of reducing manuscripts and illustrations to the minimum, consistent with clear presentation of the subject-matter. Authors who have in view the submission of papers to the Society should apply for the printed' Instructions to Authors ' which the Secretaries will forward, with such other information as may be necessary. The Library at the Apartments of the Society is open on weekdays from 10 o'clock until 5 o'clock (Saturdays, 10 o'clock until 4 o'clock).

8 CONTENTS 5. F. W. COPE. Intraformational contorted rocks in the Upper Carboniferous of the southern Pennines C. E. MARSHALL. The Barrow Hill intrusion, South Staffordshire. (Plates VII-XI) E. I. WHITE. The genus Phialaspis and the "Psammosteus Limestones" (Plates XII & XIII) F. DIXEY. The relation of the main peneplain of central Africa to sediments of Lower Miocene age G. M. LEES and A. H. TAXTT. The geological results of the search for oilfields in Great Britain. (Plates XIV-XVIII) 255 Proceedings of the Geological Society, Session , including obituary notices and the WrSLIAM SMITH Lecture [The Geological Society: its work and workers. By Professor W. W. WATTS]... Xxxvii-lxxi Title-page, table of contents and general index to Volume C1. PAGE Written contributions to the discussions on papers published in this part of the Quarterly Journal will be accepted up to 31 December, Instructions as to the form in which contributions should be submitted will be found on p. iii of the cover. The Editor of the Quarterly Journal is directed to make it known to the Public that the Authors alone are responsible for the facts and opinions contained in their respective papers, and for the correctness of their references. DATES OF MEE2TNGS FOR TtIE SESSION February 13, 1946 April 10, 1946 March 13 (Anniver- May 15,, sary Meeting) June 19,, PRINTED IN GREAT BRITAIN BY RICHARD CLAY AND COMPANY, LTD. ~UNGAY~ SUFFOLK.