 replacement of limestone and genetically associated with metamorphism of a kind usually attributed to the contact action of intrusive rock, (2) metasomatic vein deposits in altered limestone, and (3) metasomatic vein deposits in granodiorite. To the first...  The Enrichment of Ore Deposits - Page 231by William Harvey Emmons - 1917 - 530 pagesFull view - About this book
 | Geological Survey (U.S.), Alfred Hulse Brooks - Mines and mineral resources - 1909 - 858 pages
...superficial oxidation, but-has crystallized with the quartz. GENKRAL CHARACTERIZATION OF THE COPPER DEPOSITS. metamorphism of a kind usually attributed to the contact...and (3) metasomatic vein deposits in granodiorite. The deposits of the first cla^s are exemplified by those of the Bluestone, Mason Valley, Malachite,... | |
 | Ulysses Sherman Grant, Daniel F. Higgins - Glaciers - 1913 - 800 pages
...basalt. 1 The copper deposits, according to Ransome, 4 are (1) irregular bodies formed by metasomatic replacement of limestone and genetically associated...the Bluestone, Mason Valley, and other mines. In the Bluestone mine the ore consists essentially of chalcopyrite dissemii Graton, LC, op. clt., p. 105.... | |
 | Mineral industries - 1909 - 802 pages
...DEPOSITS. The copper deposits near Yerington are of three kinds: (1) irregular bodies formed by metasomatic replacement of limestone and genetically associated...and (3) metasomatic vein deposits in granodiorite. The deposits of the first class are exemplified by those of the Bluestone, Mason Valley, Malachite,... | |
 | United States. Bureau of Mines - Digital images - 1916 - 1282 pages
...according to Ransome l are of threo types of occurrence: (1) Irregular bodies formed by metasomatic replacement of limestone and genetically associated...with metamorphism of a kind usually attributed to contact action of intrusive rocks; (2) metasomatic vein deposits in altered limestone; and (3) metasomatic... | |
 | United States. Bureau of Mines - Digital images - 1909 - 822 pages
...0 there are three types of occurrences in the district: "(1) Irregular bodies formed by metasomatic replacement of limestone and genetically associated...with metamorphism of a kind usually attributed to contact action of intrusive rocks; (2) metasomatic vein deposits in altered limestone; and (3) metasomatic... | |
 | United States. Bureau of Mines - Digital images - 1910 - 868 pages
...according to Ransome * are of three types of occurrence: (1) Irregular bodies formed by metasomatic replacement of limestone and genetically associated...with metamorphism of a kind usually attributed to contact action of intrusive rocks; (2) metasomatic vein deposits in altered limestone; and (3) metasomatic... | |
 | United States. Bureau of Mines - Digital images - 1912 - 1054 pages
...genetically associated with metamorpnism of a kind usually attributed to contact action of intrusive rocks; (2) metasomatic vein deposits in altered limestone;...and (3) metasomatic vein deposits in granodiorite. The most important developments are of ore bodies of the first type. The original sulphides of these... | |
 | United States. Bureau of Mines - Digital images - 1913 - 1380 pages
...according to Ransome ' are of three types of occurrence: 1. Irregular bodies formed by metasomatic replacement of limestone and genetically associated...with metamorphism of a kind usually attributed to contact action of intrusive rocks; (2) metasomatic vein deposits in altered limestone; and (3) metasomatic... | |
 | Mineral industries - 1910 - 780 pages
...copper deposits near Yerington. Nevada, are of three kinds: ( 11 irregular bodies formed by metasomatic replacement of limestone and genetically associated...attributed to the contact action of intrusive rock, (21 metasomatic vein deposits in altered limestone, and (3) metasomatic vein deposits in granodioriti'.... | |
 | Geology - 1910 - 822 pages
...copper deposits are of three types: 1. irregular bodies formed by metasomatic replacement of limestone: 2. metasomatic vein deposits in altered limestone,...and 3. metasomatic vein deposits in grano-diorite. Detailed descriptions of the mines are given and a very brief description of mountain view and Granite... | |
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