ISBN: 1231208503

[EAN: 9781231208502], Neubuch, [PU: RareBooksClub], ROBERT BLAKEY,HISTORY, This item is printed on demand. Paperback. 62 pages. Dimensions: 9.7in. x 7.4in. x 0.1in.This historic book may … Meer...

[EAN: 9781231208502], Neubuch, [PU: RareBooksClub], ROBERT BLAKEY,HISTORY, This item is printed on demand. Paperback. 62 pages. Dimensions: 9.7in. x 7.4in. x 0.1in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1855 Excerpt: . . . be an error, from the extensive investigations of Mr. Sanders, who for more than thirty years has been mapping the district. The deposit is a conglomerate, composed of fragments of the older rocks, Devonian, carboniferous, millstone grit, and coal, all mixed and cemented together by magnesian limestone. It is nothing more than the basement bed of the trias or new red, with which it is perfectly conformable and horizontal. The triassic sea washing against the older rocks, broke them up, the heaviest pieces collecting against the foot of the cliffs. It is exactly so that we now find them either as a bank or heap, at the foot of a limestone or sandstone cliff, or filling up a crevice. Sections of this remarkable conglomerate may be seen at the drawbridge and still better on the new rail to Portishead. In it we find the beautiful geodes or as they are commonly called potato stones, they are hollow balls of quartz crystals, chalcedony or calc spar. The crystals are often pierced by multitudes of minute spicules of manganese and peroxide of iron. In other places the finest known crystals of celestine or sulphate of strontia have been collected together with galena and calamine. It was in this also that Messrs. Riley and Stutchbury found the thecodontosaurus and palaiosaurus, distinguished from other saurians by having their teeth implanted in distinct sockets. 2. The Lower Limestone Shales rest immediately upon the old red sandstone and are about 500 feet thick comprising one hundred and forty-seven beds. The actual junction lies 35 feet above a well-known conglomerate of quartz pebbles, below this we find nothing but sandstones, but above it lime gradually creeps in till the beds become argillaceous limestone. Nearly the whole of the lower shales ar. . . This item ships from La Vergne,TN.<

2012, ISBN: 1231208503

[EAN: 9781231208502], Neubuch, [PU: Rarebooksclub.com, United States], Language: English . Brand New Book ***** Print on Demand *****. This historic book may have numerous typos and missi… Meer...

[EAN: 9781231208502], Neubuch, [PU: Rarebooksclub.com, United States], Language: English . Brand New Book ***** Print on Demand *****. This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1855 Excerpt: . be an error, from the extensive investigations of Mr. Sanders, who for more than thirty years has been mapping the district. The deposit is a conglomerate, composed of fragments of the older rocks, Devonian, carboniferous, millstone grit, and coal, all mixed and cemented together by magnesian limestone. It is nothing more than the basement bed of the trias or new red, with which it is perfectly conformable and horizontal. The triassic sea washing against the older rocks, broke them up, the heaviest pieces collecting against the foot of the cliffs. It is exactly so that we now find them either as a bank or heap, at the foot of a limestone or sandstone cliff, or filling up a crevice. Sections of this remarkable conglomerate may be seen at the drawbridge and still better on the new rail to Portishead. In it we find the beautiful geodes or as they are commonly called potato stones, they are hollow balls of quartz crystals, chalcedony or calc spar. The crystals are often pierced by multitudes of minute spicules of manganese and peroxide of iron. In other places the finest known crystals of celestine or sulphate of strontia have been collected together with galena and calamine. It was in this also that Messrs. Riley and Stutchbury found the thecodontosaurus and palaiosaurus, distinguished from other saurians by having their teeth implanted in distinct sockets. 2. The Lower Limestone Shales rest immediately upon the old red sandstone and are about 500 feet thick comprising one hundred and forty-seven beds. The actual junction lies 35 feet above a well-known conglomerate of quartz pebbles, below this we find nothing but sandstones, but above it lime gradually creeps in till the beds become argillaceous limestone. Nearly the whole of the lower shales ar.<