A Handy-book Of Rock Names

Paperback | October 12, 2012

byGeorge Henry Kinahan

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1873 edition. Excerpt: ...j. Bubbly Limestone.--A limestone made up of round or roundish irregular lumps and aggregates of lumps of various sizes, separated from one another by shaly partings, the latter being more or less calcareous. Limestones may also be called Pebbly or Gonglomeritic, Tuffose, Shaly, Slaty, Geodic, Cellular, or Porous, if any of these structures extend over a considerable portion of the rock and give it a marked character. k. Lithographyte, Lithographic Stone Gr. lithos, a stone, and grapho,! write.--Avery even-grained, compact, fine limestone, usually buff or drab-colour, employed in lithography. Other varieties are,--I. Siliceous Limestone, m. Cherty, n. Argillous, o. Arenaceous, p. Fer-At Oughterard, Galway, Ireland, there are remarkable beds of Pebbly limestone, full of quartz fragments, generally of the size of large shot, and rarely larger than a pea. ruginous, q. Bituminous, r. Stinhstone, or Swinestone, or Fetid Limestone. If silica is diffused throughout the lime, the rock is siliceous; but if the silica is in separate nodules, concretions, or layers, the rock is cherty; while, if particles of sand are present, the rock is arenaceous. Cherty and argillaceous limestone, as also some kinds of siliceous limestone, when weathered, lose these calcareous portions, the residue being called Rotten-stone. ' Many bituminous limestones, when struck or rubbed, emit an odour of sulphuretted hydrogen gas, and these have been called by the different names of Stink-stone, Swinestone, and Fetid Limestone. Important varieties are,--s. Dolomitic, and t. Hydraulic Limestone, or Cement-stone. Hydraulic limestones are more or less dolomitic; they contain from 10 to 30 per cent, of silica, alumina, and magnesia. Some contain ores of iron, which are rather...

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1873 edition. Excerpt: ...j. Bubbly Limestone.--A limestone made up of round or roundish irregular lumps and aggregates of lumps of vario...

Format:PaperbackDimensions:66 pages, 9.69 × 7.44 × 0.14 inPublished:October 12, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217670679

ISBN - 13:9780217670678

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