 ... from railroads that, in spite of the excellent rock shown at a few places, exploitation of this region is at present useless. Furthermore, throughout a considerable portion of this region the argillaceous limestones are cut out by overthrust faulting,...  Contributions to Economic Geology, 1904 - Page 540by Samuel Franklin Emmons - 1905 - 620 pagesFull view - About this book
 | United States - 1904 - 1040 pages
...Mgf ) ) .60 1.42 2.36 1.67 Oxides ( R.,O,) . 60 3. 32 . 70 1.58 Insoluble ' 2 08 27 06 7 00 25 24 i cement rocks are exposed within a reasonable distance...Mountain good outcrops of the rock are encountered. These limestones occur here in quantity and quality favorable to cement making, and as the railroads... | |
 | George Ferdinand Becker - Schistosity - 1904 - 732 pages
...Magnesia ( Mg( ) ) .60 1.42 • 2.36 1 67 Oxides ( K,O,) .60 3. 32 70 1 58 Insoluble 2.08 27.06 7.00 25.24 cement rocks are exposed within a reasonable distance,...Stokesville, the terminus of the Chesapeake and Western Kail road, and a few miles south of Little North Mountain good outcrops of the rock are encountered.... | |
 | Geology - 1904 - 768 pages
...Magnesia ( MgO ) ... .60 1.42 2.36 1.67 Oxides (RjO,) .60 3.32 .70 1.58 Insoluble 2.08 27.06 7.00 25.24 cement rocks are exposed within a reasonable distance...Several miles north of Stokesville, the terminus of ttie Chesapeake and Western Railroad, and a few miles south of Little North Mountain good outcrops... | |
 | Geological Survey (U.S.) - Geology - 1905 - 462 pages
...Magnesia (MgO) .60 1.42 ' 2.36 1.67 Oxides (R,O,) .60 3.32 ! .70 1.58 Insoluble 2. 08 27.06 7.00 20.24 cement rocks are exposed within a reasonable distance of a railroad. Several miles north of StokesviHe, the terminus of the Chesapeake :uid Western Railroad, and a few miles south of Little North... | |
 | Heinrich Ries - Clay - 1906 - 690 pages
...argillaceous limestones are cut out by overthrust faulting, the magnesian limestone resting upon the shales or still higher formations. But a single area can be...prove of economic importance. Shales are at hand for mixing with the cement rock when its percentage of lime is too high, while pure limestones, to increase... | |
 | Thomas Leonard Watson - Jamestown Ter-centennial Exposition - 1907 - 1010 pages
...Virginia in general. Western edge of Valley, north of Staunton. — The outcrops of the Ordovician limestone along the western edge of this part of the...the Chesapeake and Western Railroad, and a few miles couth of Little North Mountain, good outcrops of the rock are encountered. The quantity and quality... | |
 | Thomas Leonard Watson - Jamestown (Va.) - 1907 - 840 pages
...this region the argillaceous limestones are cut out by overthrust faulting, the magnesian limehtone resting upon the shales of still higher formations....importance. Shales are at hand for mixture with the cemem rock when its percentage of lime is too high, while pure limestones, to increase the percentage... | |
 | Geology - 1909 - 568 pages
...argillaceous limestones are cut out by overthrust faulting, the magnesian limestone resting upon the shales or still higher formations. But a single area can be...prove of economic importance. Shales are at hand for mixing with the cement rock when its percentage of lime is too high, while pure limestones, to increase... | |
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