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| Keywords: The Quarterly journal of the Geological Society of London (12684295155).jpg 332 PROCEEDINGS OF THE GEOLOGICAL SOCIETY May 19 <br> 2 Middle Eocene Strata of Brussels <br> 1 Laeken beds Dileghem Jette Laeken 'c <br> I shall now pass to the neighbourhood of Brussels the most im- <br> portant of the districts after Cassel where I had an opportunity of <br> studjdng the Middle Eocene strata The capital of Belgium is distant <br> from Cassel about seventy-five English miles in a straight line due <br> east In exploring its environs I had the great advantage of being <br> accompanied by my friend Captain Le Hon who had made a fine <br> collection of tertiary fossils and whose accurate knowledge of palse- <br> ontology enabled him to render me the greatest assistance We visited <br> together most of the localities which I shall have to mention M <br> Deby also of Brussels accompanied us in many of our excursions and <br> gave us much information respecting the geological structure of the <br> country <br> The general level above the sea of the higher grounds or table-lands <br> round Brussels is about 300 feet the valleys which intersect them <br> cutting to the depth of 200 feet and upwards so as to descend to <br> within 60 and 70 feet of the sea-level On the highest grounds and <br> at many intervening elevations loess is found see Section fig 6 <br> Fig 6 ” Section near Dileghem two miles N N W of Bi ussels <br> A Loess y Yellow and green sands <br> B 2 Diest sands E Laeken beds <br> X Bed of rolled flint-pebbles <br> Thus near Dileghem two miles N N W of Brussels Map fig 3 <br> PI XVIT it may be seen crowning the elevated platform fig 6 A <br> Next in order iron-sandstone and green sands exactly resembling <br> those of Diest B 2 fig 6 about 10 feet thick below which is a <br> bed of well-rolled flint-pebbles x fig 6 Under this yellow ferru- <br> ginous sands y fig 6 with hydrate of iron and green sands 30 feet <br> thick and without shells succeed I had no means of determining <br> their age whether they are contemporaneous with the beds of Mont <br> Noir near Cassel before described as containing Middle Eocene fossils <br> or whether they are part of the Limburg series as I was assured by <br> several Belgian geologists <br> At a somewhat lower level sands containing unquestionable Eocene <br> fossils are seen in the fields at the points marked A and B in Map <br> fig 3 PI XVII but their contact with the incumbent beds y fig 6 <br> is not exposed Scattered over these fields which are often called <br> indifferently Jette and Laeken' by collectors of fossils and also <br> in a sand-pit from which shelly matter had been extracted for agri- <br> cultural purposes I found Cytherea suberycinoides Pecten corneus 35461386 109911 51125 Page 332 Text v 8 http //www biodiversitylibrary org/page/35461386 1852 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 8 1852 Geology Periodicals Smithsonian Libraries bhl page 35461386 dc identifier http //biodiversitylibrary org/page/35461386 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-21 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12684295155 2015-08-27 12 56 28 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1852 Photos uploaded from Flickr by Fæ using a script | ||||
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