 Bell." had a similar origin. The quartz veins, however, were near altered magnesian eruptives, in which no platinum was found. The occasional presence of platinum in sulphide ores has long been known, although it has attracted serious attention only within...  United States Congressional Serial Set - Sayfa 6041908Tam görünüm - Bu kitap hakkında
 | 1908 - 924 sayfa
...long been known, although it has attracted serious attention only within recent years. E. Gueymard * found it in chalcocite, in a gangue of dolomite, quartz,...Alps. The country rock was a metamorphic limestone. H. RSssler ' detected both platinum and palladium in silver bullion; and H. Vogel * reports its presence... | |
 | Geological Survey (U.S.) - 1908 - 734 sayfa
...long been known, although it has attracted serious attention only within recent years. E. Gueymard * found it in chalcocite, in a gangue of dolomite, quartz,...Alps. The country rock was a metamorphic limestone. II. Rossler ' detected both platinum and palladium in silver bullion; and H. Vogel > reports its presence... | |
 | Frank Wigglesworth Clarke - 1908 - 732 sayfa
...long been known, although it has attracted serious attention only within recent years. E. Gueymard * found it in chalcocite, in a gangue of dolomite, quartz, and barite, at Cliapeau Mountain, in the French Alps. The country rock was a metamorphic limestone. H. Rossler ' detected... | |
 | Geological Survey (U.S.) - 1911 - 836 sayfa
...long been known, although it has attracted serious attention only within recent years. E. Gueymard10 found it in chalcocite, in a gangue of dolomite, quartz,...Alps. The country rock was a metamorphic limestone. H. Rossler11 detected 1 Am. Jour. SoL, 4th ser., vol. 7, 1899, p. 4. 'Compt. rend. VII. Cong. geol. internal.,... | |
 | Frank Wigglesworth Clarke - 1911 - 800 sayfa
...long been known, although it has attracted serious attention only within recent years. E. Gueymard10 found it in chalcocite, in a gangue of dolomite, quartz,...Alps. The country rock was a metamorphic limestone. H. Rossler11 detected i Am. Jour. ScL, 4th ser., vol. 7, 1899, p. 4. "Compt. rend. VII. Cong, gfiol. Internal.,... | |
 | Frank Wigglesworth Clarke - 1911 - 792 sayfa
...long been known, although it has attracted serious attention only within recent years. E. Gueymard10 found it in chalcocite, in a gangue of dolomite, quartz,...Mountain, in the French Alps. The country rock was a metamorpliic limestone. H. Rossler11 detected » Am. Jour. Sol., 4th ser., vol. 7, 1899, p. 4. •Compt.... | |
 | Geological Survey (U.S.) - 1916 - 834 sayfa
...1903-4, p. 550. « Boon. Geology, vol. 1, 1906, p. 749. years. E. Gueymard1 found it in tetrahedrite, in a gangue of dolomite, quartz, and barite, at Chapeau...country rock was a metamorphic limestone. H. Rossler 2 detected both platinum and palladium in silver bullion; and H. Vogel3 reports its presence in the... | |
 | Frank Wigglesworth Clarke - 1916 - 836 sayfa
...1903-4, p. 550. u Boon. Geology, vol. 1, 1906, p. 749. years. E. Gueymard 1 found it in tetrahedrite, in a gangue of dolomite, quartz, and barite, at Chapeau...country rock was a metamorphic limestone. H. Rossler 2 detected both platinum and palladium in silver bullion; and H. Vogel 3 reports its presence in the... | |
 | Geological Survey (U.S.) - 1916 - 834 sayfa
...1903-4, p. 550. » Boon. Geology, vol. 1, 1906, p. 749. years. E. Gucymard l found it in tetrahedrite, in a gangue of dolomite, quartz, and barite, at Chapeau Mountain, in the French Alp^. The country rock was a metamorphic limestone. H. Rossler a detected both platinum and palladium... | |
 | Frank Wigglesworth Clarke - 1920 - 840 sayfa
...scr., vol. 12, 1854-55, p. 429, on other occurrences of platinum in the Alps. mite, quartz, and baritc, at Chapeau Mountain, in the French Alps. The country rock was a metamorphic limestone. H. Rossler J detected both platinum and palladium in silver bullion; and H. Vogel 2 reports its presence in the... | |
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