MAKE A MEME View Large Image The Quarterly journal of the Geological Society of London (13859883375).jpg OF A PAET OF COSTA RICA <br> 335 <br> Pig 6 ” View of a Part of the Crater of the Volcano Irazu showing <br> Volcanic ash Scoriae fc and Gas-vents Prom a photograph ...
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Keywords: The Quarterly journal of the Geological Society of London (13859883375).jpg OF A PAET OF COSTA RICA <br> 335 <br> Pig 6 ” View of a Part of the Crater of the Volcano Irazu showing <br> Volcanic ash Scoriae fc and Gas-vents Prom a photograph <br> taken in the direction of the Atlantic <br> Turrialba is abont 11 500 feet above sea-level Many differences <br> of opinion have existed in regard to its height ; but the maximum <br> difference is only 50 feet Prom my observations Tunialba is about <br> from 60 to 100 feet higher than Irazu <br> Conclusions <br> The conclusions at which I have arrived from a personal survey and <br> examination of the country which I have just described and also <br> from the analyses and microscopical examinations made by Mr W <br> H Hudleston and myself are as follows ” <br> 1st The country rock or the general representative rock of the <br> country is a consolidated volcanic ash associated with augite- <br> andesite <br> 2nd The filling of the fissures now mineral lodes in the Agua- <br> cate Mountains took place in the Tertiary age and most probably <br> in the Pliocene <br> 3rd The augite-andesites of the Aguacate Mountains are pro- <br> bably contemporaneous with and have thus contributed largely to <br> the mineral deposition and formation of the metalliferous lodes 36936128 113692 51125 Page 335 Text 38 http //www biodiversitylibrary org/page/36936128 1882 Geological Society of London NameFound Turrialba NameConfirmed Turrialba NameBankID 5142375 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 38 1882 Geology Periodicals Smithsonian Libraries bhl page 36936128 dc identifier http //biodiversitylibrary org/page/36936128 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-15 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13859883375 2015-08-26 07 56 39 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1882 Photos uploaded from Flickr by FĂŚ using a script
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