 | | Journal (article/letter/editorial) |
| gangue-rich massive sulfides (siliceous, carbonate-rich, baryte bearing, or carbonaceous matrix). Exploration possibilities...host rocks, together with silica, carbonate and baryte. The minerals are generally very fine grained (<25...orebodies. The Filon Norte open pit is the only active mine and consists of two conformable orebodies, "Filon...sulfides and arsenopyrite exists. La Zarza The La Zarza Mine is situated some 30 km NE of Tharsis. The overturned...QUARTZITE LENSES CUPREOUS MASSIVE PYRITE BELOW LOWER MINE THRUST I====1 I ~ ~ ~ CARBONACEOUS BLACK S |
 | | Journal (article/letter/editorial) |
| (Mitsuno et al. 1988; GarcõÂ a de Miguel 1990). Baryte, although described in several localities as Aljustrel...phases in the IPB deposits include scarce primary baryte and gypsum. This latter has been found 1. Mineralizations...ubiquitous in both band types (hand specimen from Sotiel mine). b Detrital massive pyrite ore showing graded bedding...partially replaced by galena (sample from AznalcoÂllar mine) e Typical banded polymetallic ore showing euhedral...Riotinto mine). f Highly deformed and recrystallized sphalerite-rich ore from AznalcoÂllar mine. Mylonitic |
 | | Report (issue) |
| \ \I Cover: The De Wet Shaft, Tsumeb mine (photograph by Dr Gabi Schneider, Geological Survey of Namibia)...from the Tsumeb deposit (Namibia) and the Clara mine, Schwarzwald (Germany). At Tsumeb, the phase occurs...zone along 30 Level. The material from the Clara mine is a sulphate-rich variety. 13 --, Type mineralogy...has also recently been described from the Clara mine, Schwarzwald, Germany (Walenta, 1990). The phase...the Kombat mine. Asisite occurs as transparent yellow to yellow-green, platy crystals in baryte within hematophanite |
 | | Book |
| Volcanogenic Massive Sulfides, Fukazawa Mine, Hokuroku District, Japan St.1. KALOGEROPOULOS and S. D. SCOTT...ore district in the Eocene Green Tuff Region of Japan. These authors interpret the textural and chemical...evidence they find in the barite zone at the Fukazawa mine as indicating the mixing of a circulating barium-rich...Chimimba LR (1984) Geology and mineralogy at Trojan Mine, Zimbabwe. In: Buchanan DL, Jones MJ (eds) Sulphide...Kambalda Dome (Fig. 2). Extensive diamond drilling, mine development and geological research in this area |
 | | Book |
| orogenic periods to the Miocene Kuroko deposits of Japan. These deposits are associated with abundant sulfate...base of the Complex (Vermaak, 1976). At the Atok mine, platinoid minerals tend to occur at the boundaries...and the youngest, the Kuroko in the Miocene of Japan, are sufficient to warrant separation into two subtypes;...Because the Miocene massive sulfide deposits of Japan (Tatsumi, 1970; Tatsumi and Watanabe, 1970) have...elongate or circular subsid¬ ence structures. In Japan, the Kuroko deposits are mostly part of the Miocene |
 | | Report (issue) |
| silver-containing batteries 80 Table 10 United Kingdom mine production of silver: 1851-1982 83 Table 11 United...86 Table 13 World mine production of silver: 1821-1981 87 Table 14 World mine production of silver...of world silver mine production: 18661870 and 1980 89 Table 16 World and UK mine production of silver...of world total requirements. About 75% of world mine production of silver is obtained as a by-product...consumption and new, "under the ground'' production (mine production) of silver is made up mainly from scrap |
 | | Report (issue) |
| highest-lying diamond pipe. Commissioning Letseng mine at 10 500 feet during the last two years has called...Whatever you're mining, wherever you're mining, mine it on Bridgestones Bridgestones — for all the variables...Operating conditions differ enormously from mine to mine. Not only are there variations in the kind of...Whatever you’re mining, wherever you’re mining, mine it on Bridgestones. iaaseinn Money — BRIDGE STONE...Indonesia Iran Iraq Israel Italy Ivory Coast Jamaica Japan Jordan 509 363 462 497 513 455 475 525 500 363 |
 | | Book (volume) |
| .......... ......... ...... ..Tatsuo Tatsun1i, Japan Australia .......... ........ .... ...............Neogene Vein-Type and Kuroko Mineralizations of Japan ...... ..... ... ..... .... ......... .... .. ....Characteristics of Granitoids and Related Mineral Deposits of Japan .. ..... . .. ....... ................... .... ...Example from the Iwami Mining District, Shimane, Japan ..... ............... .......... ......... ... ... B., Epithern1al Au-Ag Mineralization, Maratoto Mine, New Zealand: Stable Isotopes and Fluid Inclusions |
 | | Book |
| reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden...of the problems which face the mine geologist. The function of the mine geologist varies considerably |
 | | Book |
| . . . . . . . . . 7.7.2 The Kuroko Deposits of Japan . . . . . . . . . . . . . . . . . . . . 7.7.3 Noranda...deposit, ore deposit, mineral occurrence, prospect, mine, reserves and resources are familiar, but more rigorous...particularly in New Zealand, the USA, southern Europe and Japan, was of incalculable benefit to our knowledge of...of volatiles from the Satsuma Iwojima volcano in Japan, and estimated a total discharge of about 5 106...Mahon (1977). (1) Iceland; (2) Philippines; (3) Japan; (4) New Zealand; (5) Mexico; (6) Taiwan; (7) Italy |
