Preliminary Report On the Building Stones of Nevada Including a Brief Chapter O
Preliminary Report On the Building Stones of Nevada Including a Brief Chapter O
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In our eReader you can find the full English version of the book. Read Preliminary Report On the Building Stones of Nevada Including a Brief Chapter O Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Preliminary Report On the Building Stones of Nevada Including a Brief Chapter O
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Much resistance to atmospheric changes is given, so that long life to a structure of this material is assured. The quarry cut is directly on the railroad, so that any amount needed can be easily obtained, the railroad, of course, owning the land. This stone was much used in the early days on the Comstock, chiefly for foundations. It shows no evidence of change where so used. The railroad now constructs of it abutments, culverts, retaining \valls and other similar structures.
2. The second quart...z-porphyry is quarried five-eights of a mile east of the tunnel already mentioned. The color in the mass is a medium dark purplish, which color is a not inconsiderable factor in the worth of the stone. The texture like that of the other, is porphyritic, with well developed crystals of quartz, feld- spar, and dark mica. The color is due to the purplish-gray ground mass, in which the other minerals show distinctly. The main difference between these two rocks is in the color, and the increase In the amount of mica in the purplish variety.
What to read after Preliminary Report On the Building Stones of Nevada Including a Brief Chapter O?
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To quickly assess the difficulty of the text, read a short excerpt:
Much resistance to atmospheric changes is given, so that long life to a structure of this material is assured. The quarry cut is directly on the railroad, so that any amount needed can be easily obtained, the railroad, of course, owning the land. This stone was much used in the early days on the Comstock, chiefly for foundations. It shows no evidence of change where so used. The railroad now constructs of it abutments, culverts, retaining \valls and other similar structures.
2. The second quart...z-porphyry is quarried five-eights of a mile east of the tunnel already mentioned. The color in the mass is a medium dark purplish, which color is a not inconsiderable factor in the worth of the stone. The texture like that of the other, is porphyritic, with well developed crystals of quartz, feld- spar, and dark mica. The color is due to the purplish-gray ground mass, in which the other minerals show distinctly. The main difference between these two rocks is in the color, and the increase In the amount of mica in the purplish variety.
What to read after Preliminary Report On the Building Stones of Nevada Including a Brief Chapter O?
You can find similar books in the "Read Also" column, or choose other free books by John Allen Reid to read onlineMoreLess
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