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Books Bücher 11 - 16 von 16 in The impact of the hammer breaks up the granules on the immediate surface so that...
" The impact of the hammer breaks up the granules on the immediate surface so that the light falling upon it is reflected, instead of absorbed, and the resultant effect upon the eye is that of whiteness. The darker color of a polished surface is due merely... "
The Chief Commercial Granites of Massachusetts, New Hampshire and Rhode Island - Seite 40
von Thomas Nelson Dale - 1908 - 228 Seiten
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The Green Schists and Associated Granites and Porphyries of Rhode Island

Benjamin Kendall Emerson, Joseph Hartshorn Perry - 1907 - 74 Seiten
...absorbed, and the resultant effect upon the eye is that of whiteness. The darker color of a IMilished surface is due merely to the fact that, through careful...surfaces are removed, the light penetrating the stone is ahsorhed, and the effect ujion the eye is that of a more or less complete absence of light, or darkness....
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The Chief Commercial Granites of Massachusetts

Thomas Nelson Dale - 1908 - 228 Seiten
...their polished surfaces are the physical properties of chief economic importance. Doctor Merrill a explains the cause of these contrasts very satisfactorily:...and the greater the abundance of dark minerals, the o Merrill, Geo. P., The physical, chemical, and economic properties ot building stones: Maryland Geol....
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Bulletin - United States Geological Survey, Ausgaben 349-354

Geological Survey (U.S.) - 1908
...their polished surfaces are the physical properties of chief economic importance. Doctor Merrill ° explains the cause of these contrasts very satisfactorily:...and the greater the abundance of dark minerals, the » Merrill, Qeo. P., The physical, chemical, and economic properties ol building stones: Maryland Oeol....
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Bulletin - United States Geological Survey, Ausgabe 540

Geological Survey (U.S.) - 1914
...hammered and polished surfaces, are properties of chief economic importance. Merrill * has explained the cause of these contrasts very satisfactorily:...and the greater the abundance of dark minerals, the greater will be the contrast between hammered and polished surfaces. This is a matter worthy of consideration...
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Contributions to Economic Geology (short Papers and Preliminary Reports ...

Marius Robinson Campbell, David White - 1914
...hammered and polished surfaces, are properties of chief economic importance. Merrill * has explained the cause of these contrasts very satisfactorily:...and the greater the abundance of dark minerals, the greater will be the contrast between hammered and polished surfaces. This is a matter worthy of consideration...
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Congressional Serial Set

1907
...absorbed, and the resultant effect upon the eye Is that of whiteness. The darker color of a liolished surface is due merely to the fact that, through careful...penetrating the stone is absorbed, and the effect ui»n the eye is that of n more or less complete absence of light, or darkness. Obviously, then, the...
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