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| Keywords: The Quarterly journal of the Geological Society of London (12645279583).jpg 220 <br> PROCEEDINGS OF THE GEOLOGICAL SOCIETY DeC 13 <br> and Vicenza on the south this scaglia is copiously developed and <br> maybe seen in numerous sections underlying the nummulitic limestones <br> Near Val d'Agno to the south of Recoaro the scaglia with its cha- <br> racteristic fossils is directly overlaid as expressed in this woodcut by <br> Fig 24 <br> Relations of Lignite to Scaglia and Nummulite Limestone <br> S N B In this figure the north has been accidentally reversed N <br> / Nummulite limestone <br> e Lignite coal shale <br> d Scaglia or chalk <br> seams of coal worked for use in that neighbourhood which lie in shales <br> that dip away from the older rock and pass under the adjacent hills of <br> nummulitic limestone In fact these coal-beds occupy the same <br> place as those of Entrevernes in Savoy of the Diableretz and of the <br> Beattenberg in the canton of Berne see p 189 There are indeed <br> other localities in this region where the nummulitic rocks are equally <br> characterized by containing lignites or coal as at Monte Bolca and <br> at Monte Viale near Vicenza where it occurs in the escarpment of <br> the well-known coralline limestone of that insulated mount <br> In the tract between Vicenza Schio and Verona the various se- <br> dimentary deposits are so penetrated by diflPerent eruptive rocks <br> whether porphyries trachytes greenstones basalts or serpentines <br> and peperino that the dislocations and interruptions are frequent <br> and the original order of succession with difficulty observed particu- <br> larly around Ronca Montecchio Maggiore and other localities noted <br> for their organic remains To the west of Schio however and above <br> c Dykes <br> / Nummulite limestone <br> e Shelly volcanic grit <br> d <br> e f Eruptive rocks <br> rf Red scaglia and white <br> c Grey scaglia <br> the town of Magra another instructive section is exposed fig 25 <br> the base being composed of the red and white scaglia in which Ino- <br> cerami Terebratula incurva Ananchytes tuberculafus and other <br> fossils occur whilst the summit is occupied by strong bands of num- <br> mulitic limestone The beds being only slightly inclined a perfect <br> conformity is observable as well as a transition from one group to the <br> other There are here no coal-seams but towards its upper limits the <br> red fissile scaglia c alternates several times with basaltic trap tuff <br> some of the highest beds of which above the scaglia are just as much <br> loaded with nummulites as the hard grey nummulite limestone y <br> which crowns the hill The manner in which certain bands of these <br> tuffs are thus interlaminated with the nummulitic strata here and <br> with other shelly strata of this age in the adjacent tracts induces me <br> to think that they were volcanic dejections formed contemporaneously 35268864 109512 51125 Page 220 Text v 5 http //www biodiversitylibrary org/page/35268864 1849 Geological Society of London NameFound Ananchytes NameConfirmed Ananchytes NameBankID 4068230 NameFound Scaglia NameConfirmed Scaglia NameBankID 4472563 NameFound Terebratula incurva NameConfirmed Terebratula incurva Defrance 1828 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 5 1849 Geology Periodicals Smithsonian Libraries bhl page 35268864 dc identifier http //biodiversitylibrary org/page/35268864 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-20 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12645279583 2015-08-27 10 56 19 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1849 Photos uploaded from Flickr by Fæ using a script | ||||
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