A lode formation may be defined as a more or less vertical zone of rock, usually continuous with the surrounding rock and of similar origin, but distinct from it in carrying metallic ores disseminated through it in payable quantities and, as a rule, characterized... Mineral Deposits - Página 678por Waldemar Lindgren - 1913 - 883 páginasVista completa - Acerca de este libro
| Robert Etheridge - 1898 - 444 páginas
...'Geological Snrrey, WA, Bulletin 6, p. 22. By Authority -. VTm. KM-reA 'fla.'WKfc Ooremment Printer, 19O2. 12 a more or less vertical zone of rock, usually continuous with the surrounding rocks, and of similar origin, but distinct from it in carrying metallic ores disseminated through it... | |
| 1906 - 710 páginas
...in amphibolite or along the contact of granitic rocks and amphibolite, (3) in replacement deposits usually continuous with the surrounding rock and of...origin but distinct from it in carrying metallic ores in paying quantities. "Of minerals associated with the native gold, tellurides prevail, and among these... | |
| Harry Page Woodward - 1911 - 822 páginas
...Tlicsi> lodes have in a general way been well defined asf :— A more or less vertical zone of rook usually continuous with the surrounding rock, and of similar origin, but distinct from it in currying metallic ores disseminated through it in payable quantities, and, as a rule, characterised... | |
| E. Davenport Cleland - 1911 - 324 páginas
...defined as— "More or less vertical zones of rock usually continuous with the surrounding country and of similar origin, but distinct from it in carrying metallic ores disseminated through them, often in payable quantities, and frequently characterised by strong foliation. They owe their... | |
| James Park - 1911 - 350 páginas
...ore-bodies. They are— " More or less vertical zones of rock usually continuous with the surrounding country and of similar origin, but distinct from it in carrying metallic ores disseminated through them, often in payable quantities, and frequently characterised by strong foliation. They owe their... | |
| James Park - 1918 - 370 páginas
...ore-bodies. They are— " More or less vertical zones of rock usually continuous with the surrounding country and of similar origin, but distinct from it in carrying metallic ores disseminated through them, often in payable quantities, and frequently characterised by strong foliation. They owe their... | |
| Geological Survey of Western Australia - 1926 - 470 páginas
...formations, ie more or less vertical ЮШ of rock that gradually merge into the surrounding rock, which is of similar origin but distinct from it in carrying metallic ores disseminated through it in payable quantités. As a result of the circulation of siliceous, carbonated, sulphide-bearing solutions, auriferous... | |
| 1906 - 918 páginas
..." lode formations " is given. 1 Mr. Simpson describes the lode formation in the following words: " A lode formation may be defined as a more or less...and, as a rule, characterized by strong foliation. Deposits of this nature are probably deep-seated; at Kalgoorlie mining operations have already proved... | |
| Geological Survey of Western Australia - 1898 - 544 páginas
...very definite class of deposits, except the extremely unsuitable one "composite (or compound) vein."* A lode formation may be defined as a more or less...through it in payable quantities, and, as a rule, characterised by strong foliation. Deposits of this nature are probably deep seated ; at Kalgoorlie... | |
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