Downloaded from http://pygs.lyellcollection.org/ by guest on September 28, 2021 PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY CONTENTS OF VOLUME 50 page R. J. Aldrick see T. R. W. Hawkins and R. J. Aldrick 125 K. Ambrose see R. P. Barnes, K. Ambrose, D. W. Holliday and N. S. Jones 51 K. Ambrose see N.S.Jones and K.Ambrose 61 A. J. Ashton see P. D. Guion, N. S. Jones, I. M. Fulton and A. J. Ashton 317 H. E. Bailey see R. A. Chadwick, G. A. Kirby and H. E. Baily 91 W. J. Barclay, N. J. Riley and G. E. Strong The Dinantian rocks of the Sellafield area, west Cumbria 37 R. P. Barnes, K. Ambrose, D. W. Holliday and N. S. Jones Lithostratigraphical subdivision of the Triassic Sherwood Sandstone Group in west Cumbria 51 B. Beddoe-Stephens see D. Millward, B. Beddoe-Stephens, I. T. Williamson, S. R. Young and M. G. Petterson 25 R. A. Bowden see U. McL. Michie and R. A. Bowden 5 A. Brandon, N. J. Riley, A. A. Wilson and R. A. Ellison Three new early Namurian (Eic-E2a) marine bands in central and northern England, UK, and their bearing on correlations with the Askrigg Block 333 C. H. C. Brunton and D. J. C. Mundy A new productoid brachiopod from the late Visean Craven Reef Belt of North Yorkshire 119 M. A. Butterworth see S. A. Mahdi and M. A. Butterworth 157 R. A. Chadwick see D. J. Evans, W. J. Rowley, R. A. Chadwick, G. S. Kimbell and D. Millward 11 R. A. Chadwick, G. A. Kirby and H. E. Baily The post-Triassic structural evolution of north-west England and adj acent parts of the East Irish Sea 91 R. Clark see P. Wilson and R. Clark 277 S. K. Donovan and A. D. Wright Pelmatozoan (crinoid?) columnals from the Hirnantian (Ordovician, Ashgill) of Keisley, Cumbria, UK 229 R. A. Ellison see A. Brandon, N. J. Riley, A. A. Wilson and R. A. Ellison 333 D. J. Evans, W. J. Rowley, R. A. Chadwick, G. S. Kimbell and D. Millward Seismic reflection data and the internal structure of the Lake District batholith, Cumbria, northern England 11 I. M. Fulton see P. D. Guion, N. S. Jones, I. M. Fulton and A. J. Ashton 317 P. D. Guion, N. S. Jones, I. M. Fulton and A. J. Ashton Effects of a Westphalian channel on coal-seam geometry: a re-appraisal of the 'Dumb Fault' of north Derbyshire 317 T. R. W. Hawkins and R. J. Aldrick The pattern of faulting across the western sector of the Market Weighton Block, Vale of York 125 D. W. Holliday and J. G. Rees Advances in west Cumbrian geology resulting from the NIREX investigations around Sellafield: convenors' review 1 D. W. Holliday see R. P. Barnes, K. Ambrose, D. W. Holliday and N. S. Jones 51 D. W. Holliday Discussion of 'Geophysical log signatures in the Eden Shales (Permo-Triassic(iii) ) of Cumbria and their regional significance' Proceedings, Vol. 49, part4, pp. 345-354,1993 173 Downloaded from http://pygs.lyellcollection.org/ by guest on September 28, 2021 PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY CONTENTS OF VOLUME 50 (continued) page S. Holloway see H. C. Ivimey-Cook, G. Warrington, N. E. Worley, S. Holloway and B. Young 305 R. Holmes see D. B. Smith, O. B. Raup and R. Holmes 239 H. C. Ivimey-Cook, G. Warrington, N. E. Worley, S. Holloway and B. Young Rocks of Late Triassic and Early Jurassic age in the Carlisle Basin, Cumbria (north-west England) 305 D. I. Jackson Discussion of 'Geophysical log signatures in the Eden Shales (Permo-Triassic) of Cumbria and their regional significance' Proceedings, Vol. 49, part4, pp. 345-354,1993 173 N. S. Jones see R. P. Barnes, K. Ambrose, D. W. Holliday and N. S. Jones 51 N. S. Jones and K. Ambrose Triassic sandy braidplain and aeolian sedimentation in the Sherwood Sandstone Group of the Sellafield area, west Cumbria 61 N. S. Jones see P. D. Guion, N. S. Jones, I. M. Fulton and A. J. Ashton 317 S. J. Kemp see G. E. Strong, A. E. Milodowski, J. M. Pearce, S. J. Kemp, S. V. Prior and A. C, Morton 77 G. S. Kimbell see D. J. Evans, W. J. Rowley, R. A. Chadwick, G. S. Kimbell and D. Millward 11 G. S. Kimbell The interpretation of gravity and aeromagnetic data for the geological investigation of the Sellafield area, west Cumbria 103 G. A. Kirby see R. A. Chadwick, G. A. Kirby and H. E Baily 91 M. R. Lee Emplacement and diagenesis of gypsum and anhydrite in the late Permian Raisby Formation, north-east England 143 M. R. Lee Calcite concretions in carbonate rocks of the late Permian Raisby Formation, north-east England 245 S. A. Mahdi and M. A. Butterworth Palynology of the Dinantian Lower Border Group of the Solway Basin 157 R. J. Merriman, D. C. Rex, N. J. Soper and D. R. Peacor The age of Acadian cleavage in northern England, UK: K-Ar and TEM analysis of a Silurian metabentonite 255 U. McL. Michie and R. A. Bowden UKNIREXgeological investigations at Sellafield 5 D. Millward see D. J. Evans, W. J. Rowley, R. A. Chadwick, G. S. Kimbell and D. Millward 11 D. Millward, B. Beddoe-Stephens, I. T. Williamson, S. R. Young and M. G. Petterson Lithostratigraphy of a concealed caldera-related ignimbrite sequence within the Borrowdale Volcanic Group of west Cumbria 25 A. E. Milodowski see G. E. Strong, A. E. Milodowski, J. M. Pearce, S. J. Kemp, S. V. Prior and A. C Morton 77 S. F. Mitchell New data on the biostratigraphy of the Flamborough Chalk Formation (Santonian, Upper Cretaceous) between South Landing and Danes Dyke, North Yorkshire 113 S. F. Mitchell Lithostratigraphy and biostratigraphy of the Hunstanton Formation (Red Chalk, Cretaceous) succession at Speeton, North Yorkshire, England 285 A. C. Morton see G. Strong, A. E. Milodowski, J. M. Pearce, S. J. Kemp, S. V. Prior and A. C. Morton 77 (iv) Downloaded from http://pygs.lyellcollection.org/ by guest on September 28, 2021 PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY CONTENTS OF VOLUME 50 (continued) page D. J.C. Mundy seeC.H. C. Brunton and D. J. C. Mundy 119 D. R. Peacor see R. J. Merriman, D. C. Rex, N. J. Soper and D. R. Peacor 255 J. M. Pearce see G. E. Strong, A. E. Milodowski, J. M. Pearce, S. J. Kemp, S. V. Prior and A. C. Morton 77 J. M. Pearce see G.E. Strong and J. M. Pearce 209 M. G. Petterson see D. Millward, B. Beddoe-Stephens, I. T. Williamson, S. R. Young and M. G. Petterson 25 S. V. Prior see G. E. Strong, A. E. Milodowski, J. M. Pearce, S, J. Kemp, S. V. Prior and A. C. Morton 77 0. B. Raup see D. B. Smith, O. B. Raup and R. Holmes 239 J. G. Rees see D. W. Holliday and J. G. Rees 1 D.C.RexseeR. J. Merriman, D.C. Rex, N.J. Soper and D.R. Peacor 255 N. J. Riley see W. J. Barclay, N. J. Riley and G. E. Strong 37 N. J. Riley see A. Brandon, N. J. Riley, A. A. Wilson and R. A. Ellison 333 W. J. Rowley see D. J. Evans, W. J. Rowley, R. A. Chadwick, G. S. Kimbell and D. Millward 11 D. B. Smith Discussion of 'Geophysical log signatures in the Eden Shales (Permo-Triassic) of Cumbria and their regional significance' Proceedings,Vol. 49,part4,pp. 345-354,1993 173 D. B. Smith, O. B. Raup and R. Holmes Bromine content of English Zechstein Cycle 3 chloride salts on Teesside and in the Staithes area of Co. Cleveland, N.E.England 239 N. J. Soper see R. J. Merriman, D. C. Rex, N. J. Soper and D. R. Peacor 255 1. C. Starmer Contortions in the Chalk at Staple Nook, Flamborough Head 271 I. C. Starmer Deformation of the Upper Cretaceous Chalk at Selwicks Bay, Flamborough Head, Yorkshire: its significance in the structural evolution of north-east England and the North Sea Basin 213 G. E. Strong see W. J. Barclay, N. J. Riley and G. E. Strong 37 G.E. Strong, A. E. Milodowski, J. M. Pearce, S. J. Kemp, S. V. Prior and A. C. Morton The petrology and diagenesis of Permo-Triassic rocks of the Sellafield area, Cumbria 77 G. E. Strong and J. M. Pearce Carbonate spheroids in Permo-Triassic rocks of the Sellafield area, Cumbria 209 D. B. Thompson and J. A. Winchester Field relationships, geochemistry, and tectonic context of the Tertiary dyke suites in Staffordshire and Shropshire, central England 1^1 G. Warrington see H. C. Ivimey-Cook, G. Warrington, N. E. Worley, S. Holloway and B. Young 305 I. T. Williamson see D. Millward, B. Beddoe-Stephens, I. T. Williamson, S. R. Young and M. G. Petterson 25 A. A. Wilson see A. Brandon, N. J. Riley, A. A. Wilson and R. A. Ellison 333 P. Wilson and R. Clark Landforms associated with a Loch Lomond Stadial glacier at Cronkley Scar, Teesdale, northern Pennines 277 (v) Downloaded from http://pygs.lyellcollection.org/ by guest on September 28, 2021 PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY CONTENTS OF VOLUME 50 (continued) page J. A. Winchester see D. B. Thompson and J. A. Winchester 191 N. E. Worley see H. C. Ivimey-Cook, G. Warrington, N. E. Worley, S. Holloway and B. Young 305 A. D. Wright see S. K. Donovan and A. D.