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Books Bücher 1 - 8 von 8 in ... sketches, made from a surface running at right angles to the rift, shows quartz...
" ... sketches, made from a surface running at right angles to the rift, shows quartz and feldspar grains traversed by a generally parallel set of lines corresponding to the rift planes. The lines are more numerous in the feldspar than in the quartz grains.... "
Congressional Serial Set - Seite 29
1907
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Bulletin, Ausgaben 313-315

1907
...numerous in the feldspar than in the quartz grains. The other sketch, made from another specimen. shows besides the rift, lines another less pronounced set...this quarry the stone stood a compression test of i?2..'570 pounds to the square inch, and was, therefore, not appreciably weakened by the microscopic...
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Bulletin - United States Geological Survey, Ausgabe 313

Geological Survey (U.S.) - 1907
...numerous in the feldspar than in the quartz grains. The other sketch, made from another specimen, shows besides the rift lines another less pronounced set...microscopic fractures. A visit made by the writer in 1906 to the quarry at Redstone, NH, has corroborated Whittle's observations. The details of the rift...
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The Green Schists and Associated Granites and Porphyries of Rhode Island

Benjamin Kendall Emerson, Joseph Hartshorn Perry - 1907 - 74 Seiten
...numerous in the feldspar than in the quartz grains. The other sketch, made from another specimen, shows besides the rift lines another less pronounced set...microscopic fractures. A visit made by the writer in 1906 to the quarry at Redstone, XH, has corroborated Whittle's observations. The details of the rift...
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The Granites of Maine

Thomas Nelson Dale, George Otis Smith - 1907 - 202 Seiten
...numerous in the feldspar than in the quartz grains. The other sketch, made from another specimen, hhows besides the rift lines another less pronounced set...this quarry the stone stood a compression test of 2-2,870 pounds to the square inch, and was, therefore, not appreciably weakened by the microscopic...
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The Chief Commercial Granites of Massachusetts, New Hampshire and Rhode Island

Thomas Nelson Dale - 1908 - 228 Seiten
...numerous in the feldspar than in the quartz grains. The other sketch, made from another specimen, shows besides the rift lines another less pronounced set...microscopic fractures. A visit made by the writer in 1906 to the quarry at Redstone, NH, has corroborated Whittle's observations. The details of the rift...
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The Chief Commercial Granites of Massachusetts

Thomas Nelson Dale - 1908 - 228 Seiten
...numerous in the feldspar than in the quartz grains. The other sketch, made from another specimen, shows besides the rift lines another less pronounced set...microscopic fractures. A visit made by the writer in 1906 to the quarry at Redstone, NH, has corroborated Whittle's observations. The details of the rift...
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Bulletin - United States Geological Survey, Ausgabe 426

Geological Survey (U.S.) - 1910
...at Redstone, NH, and remarks that notwithstanding the pronounced rift and grain of this granite it stood a compression test of 22,370 pounds to the square inch and was not appreciably weakened by the microscopic fractures. Dale c later corroborated Whittle's observation...
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The Explosibility of Coal Dust

George Samuel Rice, Joseph Christie Whitney Frazer, Axel Larsen, Frank Haas, Carl Scholz - 1910 - 186 Seiten
...Redstone, N. II., and remarks that notwithstanding the pronounced rift and grain of this granite it stood a compression test of 22,370 pounds to the square inch and was not appreciably weakened by the microscopic fractures. Dale c later corroborated Whittle's observation...
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