MAKE A MEME
View Large Image
| View Original: | The_Quarterly_journal_of_the_Geological_Society_of_London_(13206077194).jpg (1199x2069) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: The Quarterly journal of the Geological Society of London (13206077194).jpg 1847 GUMMING ON THE GEOLOGY OF THE CALF OF MAN iFl <br> house Off the western point is the dangerous reef of the Hen and <br> Chickens the two revolving lights on the Calf when brought in <br> line bearing upon them <br> The Stack is a singular pile of rocks near the light-houses stand- <br> ing out in the sea about fifty feet from the land as does also the Eye <br> of the Calf near the Burrough so called from its being pierced by <br> a natural archway The Burrough is pierced in a similar manner <br> both of them by the continued wearing away of the sea acting at the <br> present and at a higher relative level in the direction of the strike <br> of the schists of which they are composed <br> These schists highly inclined constitute the main body of the islet <br> of the Calf their general strike being magnetic S 70° E Near the <br> before-mentioned highest point a mass of greenstone appears and <br> in its neighbourhood the schists are slightly metamorphic <br> The author t discovered a small vein of copper near the Burrough <br> its strike being S 60° E magnetic and dip at angle of 70° It <br> has been stated that lead has been found on the islet but the author <br> has not himself observed any indication of that mineral <br> It is however the object of the present paper more particularly to <br> direct attention to a very singular isolated mass of scratched boulders <br> gravel and sand rudely stratified situated on an elevated point of <br> Section 3 <br> the schist near the eastern pile erected for the Trigonometrical Sur- <br> vey and at a height calculated by comparison with the known ele- <br> vation of the upper lighthouse to be 372 feet above the present <br> sea-level The explanation of the phaenomenon bears upon the so- <br> lution of some difficulties which present themselves in connexion <br> with the distribution of erratic blocks in the Isle of Man as well as <br> on the depth of the sea m this neighbourhood at the period of the <br> boulder deposit <br> In a paper by the author on the Tertiary Formations of the Isle <br> of Man read before the Society on the 4th of February 1846 and <br> published in the 'Proceedings' in the August number of the Quar- <br> See Section 2 <br> t Though the third person is used here and subsequently this is the original <br> paper and not an abstract ” Ed <br> J The author thinks that the 550 feet given in Dr Berger's Report of the Isle <br> of Man in the 2nd volume of the Transactions of the Geological Society as the <br> height of Spanish Head is a mispi'int for 350 <br> VOL III PART I O 36932910 113687 51125 Page 181 Text v 3 http //www biodiversitylibrary org/page/36932910 1847 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 3 1847 Geology Periodicals Smithsonian Libraries bhl page 36932910 dc identifier http //biodiversitylibrary org/page/36932910 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-17 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13206077194 2015-08-26 12 54 10 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1847 Photos uploaded from Flickr by Fæ using a script | ||||
.jpg){kind=link}
