The Quarterly Journal of the Geological Society of London, Volume 37The Society, 1881 - Electronic journals Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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Page 58
... , north and south ; they are marked in the maps of the Survey as intrusive felstones , but appear to be a highly metamorphic series of schists , alternating with bands of purplish slate 58 PROCEEDINGS OF THE GEOLOGICAL SOCIETY .
... , north and south ; they are marked in the maps of the Survey as intrusive felstones , but appear to be a highly metamorphic series of schists , alternating with bands of purplish slate 58 PROCEEDINGS OF THE GEOLOGICAL SOCIETY .
Page 59
Geological Society of London. series of schists , alternating with bands of purplish slate , and are believed by Dr. Hicks to be of Pebidian age : the strike is from N.E. to S.W. Between Caen Cochion and Pen - maen east of Traws ...
Geological Society of London. series of schists , alternating with bands of purplish slate , and are believed by Dr. Hicks to be of Pebidian age : the strike is from N.E. to S.W. Between Caen Cochion and Pen - maen east of Traws ...
Page 68
... slates , with Paradoxides Davidis . Grey flags , with Paradoxides Hicksii & c . Grey rocks , with Paradoxides aurora & c . Grey , purple , and red rocks , with Paradoxides solvensis ( Hicks , MS . ) , Conocoryphe solvensis , & c ...
... slates , with Paradoxides Davidis . Grey flags , with Paradoxides Hicksii & c . Grey rocks , with Paradoxides aurora & c . Grey , purple , and red rocks , with Paradoxides solvensis ( Hicks , MS . ) , Conocoryphe solvensis , & c ...
Page 70
... slates ( as now understood ) ; for , with few exceptions , the species in each are peculiar , and they possess many peculiar genera . I may mention the following as genera that first appear in the Menevian beds ; and those marked with ...
... slates ( as now understood ) ; for , with few exceptions , the species in each are peculiar , and they possess many peculiar genera . I may mention the following as genera that first appear in the Menevian beds ; and those marked with ...
Page 76
... slates and flags below them the Maentwrog group , characterized by peculiar Oleni . These Maentwrog beds are exhibited to great perfection at Maentwrog , S.W. of Ffestiniog . The blue and black slates occurring above the Ffestiniog ...
... slates and flags below them the Maentwrog group , characterized by peculiar Oleni . These Maentwrog beds are exhibited to great perfection at Maentwrog , S.W. of Ffestiniog . The blue and black slates occurring above the Ffestiniog ...
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Common terms and phrases
12 species 9 genera Actinozoa Agnostus Annelida Arenig rocks Asaphus beds Brachiopoda Britain Bryozoa Calymene Cambrian Caradoc Carboniferous Limestone Carboniferous rocks Cephalopoda Coal-measures Conocoryphe Crustacea David's deposits Devonian distribution division Echinodermata England Etheridge F.R.S. Prof fauna Fellows formation forms fossils Gasteropoda genera genus Geol Geological Society géologique Geologische Graptolites grits Harlech Heteropoda Hicks Homfrayi horizon Hydrozoa Ireland known Lamellibranchiata Lingula Lingulella Llandeilo Llandovery London Longmynd Lower Lingula-flags Lower Llandovery Lower Ludlow Lower Tremadoc M'Coy Medal Menevian Murchison North Devon North Wales Note number of species Obolella Old Red Sandstone Orthis Orthoceras palæontological Palæozoic Paradoxides Phill Professor Pteropoda Purchased Ramsey Island represented researches Salt Salter Scotland Sedgwick shales Shropshire Silurian Skiddaw slates South Wales species occur species pass St.-David's Stiperstones strata stratigraphical terrain Tremadoc Tremadoc rocks Trilobita Ueber Upper Devonian Upper Lingula-flags Upper Llandovery Upper Ludlow Upper Tremadoc Wenlock Woolhope yielded Yoredale zoological
Popular passages
Page 121 - FREDERICK M°CoY, FGS One vol., Royal 410. Plates, /i. is. A CATALOGUE OF THE COLLECTION OF CAMBRIAN AND SILURIAN FOSSILS contained in the Geological Museum of the University of Cambridge, by JW SALTER, FGS With a Portrait of PROFESSOR SEDGWICK.
Page 39 - gave expressions adapted for working all the problems that a crystal can present, and it gave them in a form that appealed at once to the sense of symmetry and appropriateness of the mathematician ... he thus placed the keystone into the arch of the science of crystallography
Page 40 - will long be cited as a model of accuracy." He was subsequently a member of a new Royal Commission for " examining into and reporting on the state of the secondary standards, and for considering every question which could affect the primary, secondary, and local standards.
Page 14 - to be cast iu bronze and to be given annually ' (or from time to time) 'as a mark of honorary distinction and as an expression on the part of the governing body of the Society that the Medallist (who may be of any country or either sex) has deserved well of the Science...
Page 229 - Staffordshire, was elected a Fellow of the Society. The following communications were read : — 1.
Page 12 - To promote researches concerning the mineral structure of the earth, and to enable the Council of the Geological Society to reward those individuals of any country by whom such researches may hereafter be made,' — ( such individual not being a Member of the Council.
Page 40 - In 1843 a Committee was appointed to superintend the construction of the new Parliamentary standards of length and weight, of which Professor Miller was a member, and to him was confided the construction of the new standards of weight. In the " Philosophical Transactions " for 1856 he describes at length " The operations for restoring the value of the Old Standard of Weight, for constructing the New Standard of a different value, for constructing various derived Standards, and for establishing the...
Page 299 - Composition des sables de Bracheux et mode d'origine de l'argile plastique, premier produit d'une émanation terminée par le dépôt du calcaire de Mortemer, d'après des coupes du chemin de fer de Compiègne (Oise), à Roye (Somme).