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Books Bücher 1 - 6 von 6 in Dikes that strike in the northwesterly-southeasterly quadrants are most numerous....
" Dikes that strike in the northwesterly-southeasterly quadrants are most numerous. In color these dikes vary from bluish gray to light and dark reddish. The texture of some aplites is so fine that the mineral particles can not be distinguished with the... "
Bulletin - United States Geological Survey - Seite 43
von Geological Survey (U.S.) - 1907
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Bulletin, Ausgaben 313-315

1907
...numerous. In color .these dikes vary from bluish gray to light and dark reddish. The texture of sonic aplites is so fine that the mineral particles can...range from 0.05 to 0.75 mm., the average being about O.Hi mm. for the finer ones and 0.50 mm. for the coarser ones. Some aplites have a porphyritic texture....
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The Green Schists and Associated Granites and Porphyries of Rhode Island

Benjamin Kendall Emerson, Joseph Hartshorn Perry - 1907 - 74 Seiten
...dikes. N.-N. 10° E 3 N. 25° E 1 N. «0°-77° E 2 N. 10°-30° W •_ 4 N. 45° W 1 N. «0°-80° W . 5 Dikes that strike in the northwesterly-southeasterly...range from 0.05 to 0.75 mm., the average being about O.ld mm. for the finer ones and 0.50 mm. for the coarser ones. Some aplites have a porphyritic texture....
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The Chief Commercial Granites of Massachusetts, New Hampshire and Rhode Island

Thomas Nelson Dale - 1908 - 228 Seiten
...of various tensional strains or contractions, possibly consequent upon the cooling of the granite. In color these dikes vary from bluish gray to light...coarser ones. Some aplites have a porphyritic texture. Most aplites contain a slightly higher percentage of silica than granite. Five analyses of aplites...
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The Chief Commercial Granites of Massachusetts

Thomas Nelson Dale - 1908 - 228 Seiten
...of various tensional strains or contractions, possibly consequent upon the cooling of the granite. In color these dikes vary from bluish gray to light...coarser ones. Some aplites have a porphyritic texture. Most aplites contain a slightly higher percentage of silica than granite. Five analyses of aplites...
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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
...are rather numerous. In color they are reddish brown, and in texture are so dense and fine grained that the mineral particles can not be distinguished with the unaided eye. The largest dike, 4 feet wide, is exposed on opposite sides of the opening (about 50 feet wide) and...
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Congressional Serial Set

1907
...light and dark reddish. The texture of some aplites is so fine that the mineral particles can not l>e distinguished with the unaided eye; that of others...the dimensions of the particles range from 0.05 to 0.7f> mm., the average being al>out OK! mm. for the finer ones and 0.50 mm. for the coarser ones. Some...
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