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 55
... rocks are visible on both sides of the Atlantic as far as the Arctic regions , representing portions of two continents , Europe and America , now separated by the North Atlantic . PRE - CAMBRIAN ROCKS . It may be received as an axiom ...
... rocks are visible on both sides of the Atlantic as far as the Arctic regions , representing portions of two continents , Europe and America , now separated by the North Atlantic . PRE - CAMBRIAN ROCKS . It may be received as an axiom ...
Page 56
... rock . At St. David's the ridge formed by these rocks , according to Dr. Hicks , averages from 2000 to 3000 feet in thickness . " Cambrian conglomerates rest im- mediately upon the Dimetian rocks ; and the highest members of the Harlech ...
... rock . At St. David's the ridge formed by these rocks , according to Dr. Hicks , averages from 2000 to 3000 feet in thickness . " Cambrian conglomerates rest im- mediately upon the Dimetian rocks ; and the highest members of the Harlech ...
Page 57
... rocks are faulted down against it . It is cer- tainly Pre - Pebidian , as fragments of the Hälleflinta occur in the overlying Pebidian conglomerates ; its rocks occupy a large pro- portion of the Dimetian axis of St. David's ; and ...
... rocks are faulted down against it . It is cer- tainly Pre - Pebidian , as fragments of the Hälleflinta occur in the overlying Pebidian conglomerates ; its rocks occupy a large pro- portion of the Dimetian axis of St. David's ; and ...
Page 58
... rocks in Wales and Shropshire appear at the surface in six districts - elevation , denuda- tion , and relative changes having caused to be exposed as six inland islands as many masses , chiefly mountainous , and composed of the oldest ...
... rocks in Wales and Shropshire appear at the surface in six districts - elevation , denuda- tion , and relative changes having caused to be exposed as six inland islands as many masses , chiefly mountainous , and composed of the oldest ...
Page 59
... rocks composing the ancient headland of Menapiæ are , perhaps , the oldest known rocks containing organic remains in the British Islands , if not in the world ; nevertheless the characters presented by the contained organisms are such ...
... rocks composing the ancient headland of Menapiæ are , perhaps , the oldest known rocks containing organic remains in the British Islands , if not in the world ; nevertheless the characters presented by the contained organisms are such ...
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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).