 ... which, as decay went on, in great part replaced the woody tissue. Similar deposits of sulphides of copper and of iron often took place in basins where the organic matter was present in such a condition or in such quantity as to be entirely decomposed,...  Van Nostrand's Engineering Magazine - Página 3311874Vista completa - Acerca de este libro
 | American Institute of Mining Engineers - 1873 - 524 páginas
...present in such a condition or in such quantity as to be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. In this way have been formed fahl-btmds, and beds of pyrites and other ores. The fact that such deposits are associated with silver... | |
 | Thomas Sterry Hunt - 1875 - 520 páginas
...present in such a condition or in such quantity as to be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. In...rendering gold soluble, and its subsequent deposition in the metallic state is then easily understood.'" I have endeavored by a few illustrations to show... | |
 | Thomas Sterry Hunt - 1875 - 530 páginas
...present in such a condition or in such quantity as to be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. In...rendering gold soluble, and its subsequent deposition in the metallic state is then easily understood.* I have endeavored by a few illustrations to show... | |
 | Thomas Sterry Hunt - 1875 - 522 páginas
...be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. Iii this way have been formed fahlbands, and beds of pyrites...rendering gold soluble, and its subsequent deposition in the metallic state is then easily understood.* I have endeavored by a few illustrations to show... | |
 | Kentucky. Geological Survey, 1873-1891 - 1877 - 610 páginas
...present in such a condition or in such quantity as to be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. In...rendering gold soluble, and its subsequent deposition in the metallic state is then easily understood. " I have endeavored by a few illustrations to show... | |
 | Thomas Sterry Hunt - 1878 - 550 páginas
...present in such a condition or in such quantity as to be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. In...deposits are associated with silver and with gold loads to the conclusion that these metals have obeyed the same laws as iron and copper. It is known... | |
 | 1894 - 458 páginas
...present in such a condition or in such quantity as to be entirely decomposed, and to leave no trace of its form, unlike the examples just mentioned. In...fahlbands and beds of pyrites and other ores. The faft that such deposits are associated with silver and with gold leads to the conclusion that these... | |
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