Open-air Studies in GeologyCharles Griffen, Limited, 1902 - 322 Seiten |
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Seite 10
... carbonate ) is typically transparent ; Iron Pyrites is opaque , even when ground down thinner than a sheet of notepaper . 3. Lustre . Some minerals reflect light brilliantly , like Quartz and Rock - Salt , which are said to have a ...
... carbonate ) is typically transparent ; Iron Pyrites is opaque , even when ground down thinner than a sheet of notepaper . 3. Lustre . Some minerals reflect light brilliantly , like Quartz and Rock - Salt , which are said to have a ...
Seite 17
... Carbonates . Calcite . - Calcium carbonate ( I atom of calcium , I of carbon , and 3 of oxygen in each molecule ) . Colourless and transparent . Lustre almost glassy . Easily scratched by knife , and thus at once distinguished from ...
... Carbonates . Calcite . - Calcium carbonate ( I atom of calcium , I of carbon , and 3 of oxygen in each molecule ) . Colourless and transparent . Lustre almost glassy . Easily scratched by knife , and thus at once distinguished from ...
Seite 18
... carbonate and magnesium carbonate in equal proportions , forming a compound carbonate . The constituent elements are thus calcium , magnesium , carbon , and oxygen . Generally resembles calcite , even in cleavage , but specific gravity ...
... carbonate and magnesium carbonate in equal proportions , forming a compound carbonate . The constituent elements are thus calcium , magnesium , carbon , and oxygen . Generally resembles calcite , even in cleavage , but specific gravity ...
Seite 22
... carbonate is a combina- tion of carbon dioxide and lime ( calcium oxide ) . When stated thus , we find that Silica forms about 59.7 per cent . of the crust by weight , Alumina 15.4 , Lime and Magnesia ( magnesium oxide ) about 4.5 each ...
... carbonate is a combina- tion of carbon dioxide and lime ( calcium oxide ) . When stated thus , we find that Silica forms about 59.7 per cent . of the crust by weight , Alumina 15.4 , Lime and Magnesia ( magnesium oxide ) about 4.5 each ...
Seite 40
... carbonates out of some of their con- stituents ; and these carbonates are often soluble , and are carried away with the general flow into the streams . Complex silicates like felspar become thus broken up , the soda and potash ...
... carbonates out of some of their con- stituents ; and these carbonates are often soluble , and are carried away with the general flow into the streams . Complex silicates like felspar become thus broken up , the soda and potash ...
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alluvial alluvium Alps andesite augite banks basalt become beds beneath blocks calcium carbonate Chalk character CHARLES GRIFFIN chemical clay cliffs coast colour cone Cretaceous Crown 8vo crust crystalline crystals denudation deposits dykes earth Engineer Eocene escarpment EXETER STREET feet felspars flint flow folded fossils Fully Illustrated Geol Geology glacier glass gneiss grains granite Handsome Cloth hills hollow Hornblende igneous iron Juras Jurassic lake Lake Bonneville land Large 8vo lava layers Leith Hill limestone LONDON lower marine mass material Mesozoic mica miles minerals Miocene mountain occur orthoclase oxide pebbles plain plane Plates Pliocene Practical produced Professor pyroxene quartz region Revised rhyolite ridge rise river rock round salts sand sandstone SECOND EDITION seen shells side silica slope specific gravity steep stones STRAND strata stream structure summit surface TEXT-BOOK unconformity upper valley volcanic Wealden wind
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Seite 56 - Barrister•at•Law, Public Analyst for the County of Devon, and Medical Officer of Health for St. Marylebone. AND M. WYNTER BLYTH, BA, B.Sc., FCS GENERAL CONTENTS.— History of. Adulteration.— Legislation.— Apparatus.— "Ash."— Sugar.
Seite 30 - GRIFFIN'S ELECTRICAL PRICE-BOOK: For Electrical, Civil, Marine, and Borough Engineers, Local Authorities, Architects, Railway Contractors, &c. Edited by HJ DOWSING.
Seite 15 - A PRACTICAL TREATISE ON BRIDGE-CONSTRUCTION: Being a Text-Book on the Construction of Bridges in Iron and Steel. FOR THE USE OF STUDENTS, DRAUGHTSMEN, AND ENGINEERS. BY T. CLAXTON FIDLER, M. INST. CE, Prof, of Engineering, University College, Dundee "The new edition of Mr.
Seite 54 - Ss. 6d. net. A HANDBOOK ON PETROLEUM. FOR INSPECTORS UNDER THE PETROLEUM ACTS, And for those engaged in the Storage, Transport, Distribution, and Industrial Use of Petroleum and its Products, and of Calcium Carbide. With suggestions on the Construction and Use of Mineral Oil Lamps. BY CAPTAIN JH THOMSON, HM Chief Inspector of Explosives, AND SIR BOVERTON REDWOOD, Author of "A Treatise on Petroleum.
Seite 35 - Shipping World. No SHIPS' OFFICERS' BOOKCASE will henceforth be complete without CAPTAIN MACKENZIE'S ' PRACTICAL MECHANICS.' Notwithstanding my many years' experience at sea, it has told me how much more there it to acquire.
Seite 55 - Alkali, tec. -Destructive Distillation —Artificial Manure— Petroleum— Lime and Cement— Clay and Glass — Sugar and Starch — Brewing and Distilling — Oils, Resins, and Varnishes— Soap and Candles — Textiles and Bleaching — Colouring Matters, Dyeing, and Printing — Paper and Pasteboard — Pigments and Paints — Leather, Glue, and Size — Explosives and Matches — Minor Manufactures. "Certainly a GOOD and USEFUL BOOK, constituting a PBAOTIOAL QOTDK for students by affording...
Seite 71 - BRITISH WILD FLOWERS IN THEIR HOMES. BY R. LLOYD PRAEGER, BA, MRIA Illustrated by Drawings from Nature by S. Rosamond Praeger, and Photographs by R. Welch.
Seite 51 - ELEMENTS OF METALLURGY. A PRACTICAL TREATISE ON THE ART OF EXTRACTING METALS FROM THEIR ORES. BY J. ARTHUR PHILLIPS, M.lNST.OE, FCS, FGS, &o.
Seite 22 - Lubricants, their Sources, Preparation, and Properties. — VI. Physical Properties and Methods of Examination of Lubricants.— VII. Chemical Properties and Methods of Examination of Lubricants.— VIII. The Systematic Testing of Lubricants by Physical and Chemical Methods.— IX. The Mechanical Testing of Lubricants.— X. The Design and Lubrication of Bearings.— XI. The Lubrication of Machinery.— INDEX. " Destined to become a CLASSIC on the subject."— Industries and Iron. " Contains practically...
Seite 69 - THIRD EDITION, Revised, Enlarged, and Re-issued. Price 6s. net. A SHORT MANUAL OF INORGANIC CHEMISTRY. BY A. DUPRE, Ph.D.,- FRS, AND WILSON HAKE, Ph.D., FIO, FCS, Of the Westminster Hospital Medical School. "AN EXAMPLE OF THE ADVANTAGES OF THE SYSTEMATIC TREATMENT of a Science over the fragmentary style so generally followed. Br A LONG WAV THE BEST of the small Manuals for Students.