 | | Journal (article/letter/editorial) | | prospecting criteria, developed on the basis of a region investigated in such detail and so widely known...in the sedimentary formations. In a geosynclinal region, mineralization as a rule gravitates toward the...the Early Paleozoic phase of development of the region. The layered mineralization, besides its regular...formation of Givetian age. The ore deposits of the Mirgalimsay, North Bayaldyr, and Shalkiinsk regions are restricted...of geotectonic and formational features in the region. The significant distribution of lead-zinc mineralization |  | | Journal (article/letter/editorial) | | form. Rudnyy Altay and the Atasu district, in Kazakhstan, may illustrate the time span required for the...of the pyritic polymetallic ore deposits in this region is a wellknown acutely controversial problem. The...type of polymetallic ore deposits in Central Kazakhstan. According to his data, the origin of such deposits...barite-sphalerite-galena in the Upper Famennian rocks. Atasu (Kazakhstan). In this district, the ore deposits are concentrated...examples of such ores are in the Karatau deposits, Kazakhstan, in the Mississippi valley, at Pine Point, Canada |  | | Journal (article/letter/editorial) | | The lead-zinc deposits of the Karatau Range, Kazakhstan, have been studied since the early 1930s. Since...the Central Kazakhstan eugeosynclinal system was attached to it, to form the large Kazakhstan-Tien Shan...sketch of central Kazakhstan in Silurian and Lower Devonian time [15]: 1) Kazakhstan-Tien Shan central...early Caledonian consolidation; 2, 3) Central Kazakhstan geosynclinal system; 2) residual massifs, 3)...Middle Devonian-Frasnian time, the cover of the Kazakhstan-North Tien Shan central massif began to form |  | | Journal (article/letter/editorial) | | in the Urals, Bilbao in Spain (iron); Mirgalimsay in Kazakhstan, Sumsar in the Northern Fergana area,...faults: Abail in Southern Kazakhstan (iron); Achi-Say in Southern Kazakhstan, Reibl and Bleiberg in parinthia...Sovetskiy mine in Western Siberia, Bendigo in Australia (gold); Tekeli mine in Kazakhstan (polymetallic)...in zones of major fractures and faults: Argonaut Mine in the U. S. A. (gold). II. In carbonate formations:...Brich-Mulla Mine in Central Asia (arsenic), Tintic Mine in the U. S. A. and Santa Eulalia Mine and others |  | | Book | | Minerals, Hydrometallurgy 2.7 Mineral Resources of Kazakhstan 4.7 Concentrating and Selection of Minerals 2...and geological structure are isolated in the ore region territory. Ore fields consist of ore deposits enclosing...controls volcanogenic belts with hydrothermal gold and silver ore deposits and porphyric copper formation chains...shale deposits to which the Dzhezkazgan field in Kazakhstan and the Udokan field in Siberia belong. A large...socalled copperphorphyry ores (Kounradsky in Kazakhstan, Almalyk in Uzbekistan, Kadzharan in Armenia) |  | | Journal (article/letter/editorial) | | stratiform lead-zinc deposits of the Tien Shan region are confined to bodies of Upper Devonian and Lower...dolomites. In the Moldatau zone of the Tien Shan region, according to V. M. Popov (15), the leadzinc mineralization...Background concentrations of lead, zinc, copper, and silver in different horizons of Sumsar ore deposit. Content...(D2gv 0 ) is richer than the others in copper and silver, whereas the second (D2gvG), within which the Sumsar...deposit in the Chatkal range. He states that in this region one finds very extended (up to 10 km long), relatively |  | | Journal (article/letter/editorial) | | LEAD, ZINC, AND SILVER General Information Genetic Types of Lead-, Zinc-, and Silver-Ore Deposits, Metallogenic...Lead, Zinc, and Silver Deposits Generalizations and Indications of Lead, Zinc, and Silver Selected References...stratigraphic sequence of Precambrian rocks of the region is favorable for the formation of thick highgrade...the great molybdenum-copper deposit at Kounrad, Kazakhstan, must appear twice in the descriptions, and the...geological province. The important mineral belts of Kazakhstan and Armenia furnish examples of both types. Of |  | | Journal (article/letter/editorial) | | metals, the most important of which are lead and silver. From thallus (Latin) meaning green; named for...may be utilized in internal combustion engines. Silver-thallium alloy bearings possess a very high fatigue...approximate composition of one alloy is: thallium 1-20%, silver 80-99%. In order to improve the physical properties...within certain limits. In all, ten varieties of silver-thallium alloys have been patented (four appear...gold-thallium alloy with 60-99% Au, 1-40% Tl and a gold-silver-thallium alloy with 25-50% Au, 25-50% Ag and 1-40% |  | | Journal (article/letter/editorial) | | and 87 in the Western field district, Kadamdzhay region 34 Figure 12. Mercury, in rocks and heavy fractions...samplesfrompolymetallic deposits of Alaygyr in central Kazakhstan; Yu.K. Ozerov supplied samples from several pyrite...traverses. Rocks were collected at the surface, in mine workings and boreholes. These were mainly "grab"...-6 g/lit mercury was proved in three samples of mine waters at Freiberg. All these data justify the belief...elements (arsenic, antimony, lead, zinc, copper, silver)do not develop definite halos. The mercury content |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...minerals. The high-sulphur assemblage also rich in silver has mainly hypogene chalcocite and enargite, lesser...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...minerals. The high-sulphur assemblage also rich in silver has mainly hypogene chalcocite and enargite, lesser...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous |  | | Book | | and % Associated Sulphides at the Almad^n Mercury Mine, Spain.7 BARTHOLOME, P. , EVRARD, P. , KATEKESHA...Among Uranium Deposits, South Texas, Coastal Plain Region, U.S.A. 101 GELDSETZER, H. : Syngenetic Dolomitization...undoubtedly that the residual concentration of copper and silver occurs per descensum. To what extent will the karstic...and Associated Sulphides at the Almaden Mercury Mine, Spain M. Arnold, A. Maucher, and F. Saupe Abstract...equivalents may easily be found in the lower levels of the mine. Sample 3 is also stratigraphi¬ cally well defined |  | | Book (edition) | | within the city limits, but also to the surrounding region. In this edition of the Thesaurus, names of cities...newly added are followed by the word “region”; e.g., Stripa region. Names of materials, when used as GeoRef... isochrons isotopes SA SA Abruzzi Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...SA eucrite SA iron meteorites SA stony irons acid mine drainage Before 1978, also search drainage AND mines...SA acids SA drainage SA environmental geology SA mine drainage SA mines SA pollution SA sulfuric acid |  | | Book (edition) | | the city limits, but also to the sur¬ rounding region. Terms for materials in GeoRef, for example, "iron...Blake River Group SA Ontario SA Quebec SA Sigma Mine SA Timiskaming Group on North Sea. Scotland Great...Aberfeldy Term introduced in 1989. Town and mining region in Tayside, central Scotland; oil field in Lloydminster...in GeoRef (see Introduction, p. vi). Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...acanthite BA sulfides BT minerals SA argentite SA silver ores accessory minerals Before 1978, search minerals |
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