Open-air Studies: An Introduction to Geology Out-of-doorsC. Griffin, limited, 1895 - 322 Seiten |
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Seite 6
... look at those which we have separated from the granite - three materials evidently requiring distinct names , evidently differing markedly in their physical characters . The clear little lumps are called Quartz , and do not tell us very ...
... look at those which we have separated from the granite - three materials evidently requiring distinct names , evidently differing markedly in their physical characters . The clear little lumps are called Quartz , and do not tell us very ...
Seite 7
... looks dull ; clearly the planes of fracture are differently sloped in the two parts of the mineral , and it has not a perfectly simple internal structure . A good knife will just scratch the orthoclase , if drawn firmly across it ; but ...
... looks dull ; clearly the planes of fracture are differently sloped in the two parts of the mineral , and it has not a perfectly simple internal structure . A good knife will just scratch the orthoclase , if drawn firmly across it ; but ...
Seite 10
... look like polished metal , and are said to have a " metallic lustre . " Others are quite dull and earthy , like Wad , one of the hydrous manganese oxides . 4. Malleability and Brittleness . Some minerals can be hammered out without ...
... look like polished metal , and are said to have a " metallic lustre . " Others are quite dull and earthy , like Wad , one of the hydrous manganese oxides . 4. Malleability and Brittleness . Some minerals can be hammered out without ...
Seite 22
... and see clearly that they are of distinct kinds . But in many rocks the mineral particles are exceedingly minute , and the whole mass looks at first as if it were composed of only one kind of material . 22 OPEN - AIR STUDIES.
... and see clearly that they are of distinct kinds . But in many rocks the mineral particles are exceedingly minute , and the whole mass looks at first as if it were composed of only one kind of material . 22 OPEN - AIR STUDIES.
Seite 23
... look different from one another , rejecting all grains that are composed of more than one mineral , we can test these materials in various ways . Their hardness can be found by sticking them on to a handle of wood as suggested on p . 10 ...
... look different from one another , rejecting all grains that are composed of more than one mineral , we can test these materials in various ways . Their hardness can be found by sticking them on to a handle of wood as suggested on p . 10 ...
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Open-Air Studies: An Introduction to Geology Out-Of-Doors Grenville Arthur James Cole Keine Leseprobe verfügbar - 2015 |
Open-Air Studies: An Introduction to Geology Out-Of-Doors Grenville Arthur James Cole Keine Leseprobe verfügbar - 2015 |
Häufige Begriffe und Wortgruppen
alluvial alluvium Alps andesite augite banks basalt become beds beneath blocks calcium carbonate Chalk character CHARLES GRIFFIN chemical clay cliffs coast colour cone crags Cretaceous crust crystalline crystals denudation deposits dykes earth edge EDITION Engineer Eocene escarpment EXETER STREET feet felspars flint flow folded fossils Geol Geology glacier glass gneiss grains granite GRIFFIN & CO.'S Handsome Cloth hills hollow igneous Illustrations iron Juras Jurassic lake Lake Bonneville lava lava-flows layers Leith Hill limestone LONDON lower marine mass material Mesozoic mica miles minerals Miocene mountain occur orthoclase oxide pebbles plain planes Plate plateau Pliocene PRACTICAL pyroxene quartz rhyolite ridge rise river roches moutonnées rock round salts sand sandstone schists seen shells side silica slope species specific gravity steep stones STRAND strata stream structure summit surface TEXT-BOOK unconformity upper valley volcanic Wealden whole
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Seite 21 - Quite the BEST PUBLICATION on this subject."— Shipping Gazette. Latitude and Longitude : How to find them. By WJ MILLAR, CE SECOND EDITION, Revised. 2s. " Cannot but prove an acquisition to those studying Navigation."— Marine Engineer.
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Seite 79 - Of lightning through the tempest ; — thou dost lie, — Thy giant brood of pines around thee clinging, Children of elder time, in whose devotion The chainless winds still come and ever came To drink their odours, and their mighty swinging To hear, an old and solemn harmony ; Thine earthly rainbows stretched across...
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Seite 6 - All but the simplest explanations have, therefore, been avoided, and ANSWERS to the Exercises are given. Any person may readily, by careful study, become master of their contents, and thus lay the foundation for a further mathematical course, if desired. It...
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