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NARROW
Format
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Journal
Publisher
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GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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North Africa
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Morocco (1)
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Asia
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Far East
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China
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Guizhou China (1)
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Sichuan China (1)
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Canada
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Western Canada
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Canadian Cordillera (1)
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Europe
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Central Europe
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Hungary (3)
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Indian Ocean (1)
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North America
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North American Cordillera
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Southwest Indian Ridge (1)
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United States
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Nevada
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Carlin Mine (1)
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Elko County Nevada (1)
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commodities
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metal ores
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mineral deposits, genesis (2)
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elements, isotopes
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sulfur
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tellurium (1)
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igneous rocks
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minerals
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vanadates (1)
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Primary terms
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Africa
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North Africa
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Morocco (1)
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Asia
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Far East
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China
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Guizhou China (1)
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Sichuan China (1)
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Canada
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Western Canada
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Canadian Cordillera (1)
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clay mineralogy (2)
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crystal structure (4)
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Europe
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Central Europe
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Hungary (3)
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geochemistry (2)
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igneous rocks
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volcanic rocks
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basalts
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mid-ocean ridge basalts (1)
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Indian Ocean (1)
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isotopes
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stable isotopes
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S-34/S-32 (1)
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metal ores
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bismuth ores (1)
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gold ores (3)
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metals
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antimony (1)
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arsenic (1)
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bismuth (1)
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mercury (1)
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thallium (1)
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mineral deposits, genesis (2)
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North America
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North American Cordillera
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Canadian Cordillera (1)
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ocean floors (1)
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plate tectonics (1)
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sea-floor spreading (1)
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sulfur
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S-34/S-32 (1)
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tectonics (1)
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tellurium (1)
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United States
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Nevada
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Carlin Mine (1)
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Elko County Nevada (1)
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GeoRef Categories
Book Series
Date
Availability
Nagyborzsony Deposit
Outline map of Hungary showing the location of the Nagybörzsöny deposit Available to Purchase
Polytypism of Cronstedtite From Nagybörzsöny, Hungary Available to Purchase
Zipserite, a new bismuth chalcogenide Bi 5 (S,Se) 4 from Nagybörzsöny in Hungary with a R $\bar{3}$ m (00γ)00 modulated structure Open Access
Jaszczakite, [(Bi,Pb) 3 S 3 ][AuS 2 ], a new mineral species from Nagybörzsöny, Hungary Available to Purchase
Optical and back-scattered electron (BSE) images of the assemblage of bismu... Open Access
The Clay Minerals Society Free
Newsletter 73 Available to Purchase
Chromitites, platinum-group elements, and ore minerals Special issue dedicated to Zdeněk Johan (1935–2016) Free
New minerals and nomenclature modifications approved in 2016 Open Access
New Mineral Names, Free
Polytypism of Cronstedtite from Ouedi Beht, El Hammam, Morocco Available to Purchase
Newsletter 70 Available to Purchase
GOLD ENRICHMENT MECHANISM IN MID-OCEAN RIDGE HYDROTHERMAL SYSTEMS: AN EXAMPLE FROM THE LONGQI HYDROTHERMAL FIELD ON THE ULTRASLOW-SPREADING SOUTHWEST INDIAN RIDGE Available to Purchase
Critical Elements in Carlin, Epithermal, and Orogenic Gold Deposits Available to Purchase
Abstract Carlin, epithermal, and orogenic gold deposits, today mined almost exclusively for their gold content, have similar suites of anomalous trace elements that reflect similar low-salinity ore fluids and thermal conditions of metal transport and deposition. Many of these trace elements are commonly referred to as critical or near-critical elements or metals and have been locally recovered, although typically in small amounts, by historic mining activities. These elements include As, Bi, Hg, In, Sb, Se, Te, Tl, and W. Most of these elements are now solely recovered as by-products from the milling of large-tonnage, base metal-rich ore deposits, such as porphyry and volcanogenic massive sulfide deposits. A combination of dominance of the world market by a single country for a single commodity and a growing demand for many of the critical to near-critical elements could lead to future recovery of such elements from select epithermal, orogenic, or Carlin-type gold deposits. Antimony continues to be recovered from some orogenic gold deposits and tellurium could potentially be a primary commodity from some such deposits. Tellurium and indium in sphalerite-rich ores have been recovered in the past and could be future commodities recovered from epithermal ores. Carlin-type gold deposits in Nevada are enriched in and may be a future source for As, Hg, Sb, and/or Tl. Some of the Devonian carbonaceous host rocks in the Carlin districts are sufficiently enriched in many trace elements, including Hg, Se, and V, such that they also could become resources. Thallium may be locally enriched to economic levels in Carlin-type deposits and it has been produced from Carlin-like deposits elsewhere in the world (e.g., Alsar, southern Macedonia; Lanmuchang, Guizhou province, China). Mercury continues to be recovered from shallow-level epithermal deposits, as well as a by-product of many Carlin-type deposits where refractory ore is roasted to oxidize carbon and pyrite, and mercury is then captured in air pollution control devices.
Generalized relationships between the ionic radii of octahedral cations and the b crystallographic parameter of clays and related minerals Open Access
Fossil fuels, ore and industrial minerals Available to Purchase
Abstract The mining of metallic and non-metallic commodities in Central Europe has a history of more than 2000 years. Today mainly non-metallic commodities, fossil fuels and construction raw materials play a vital role for the people living in Central Europe. Construction raw materials, albeit the most significant raw material, are not considered further here; for details refer to thematic maps issued by local geological surveys and comprehensive studies such as the textbook by Prentice (1990) . Even if many deposits in Central Europe, especially metallic deposits, are no longer extensive by world standards, the huge number and variety of deposits in Central Europe is unique and allows the student of metallogenesis to reconstruct the geological history of Central Europe from the Late Precambrian to the Recent in a way best described as ‘minerostratigraphy’. The term ‘deposit’ is used in this review for sites which were either mined in the twentieth century or are still being operated. A few sites that underwent exploration or trial mining have also been included in order to clarify certain concentration processes. They are mentioned explicitly in the text to avoid confusion with real deposits. Tonnage and grade are reported in the text only for the most important deposits. Production data for the year 2005 are listed in Table 21.1 for the countries under consideration. Reserves and production data of hydrocarbons in Central European basins are given in Table 21.2 . In the present study, Central Europe covers the Variscan core zones in the extra-Alpine part of Central Europe stretching from eastern France (Massif Central) into Poland where the contact between the Variscan Orogen and the Baltic Shield is concealed by a thick pile of platform sediments. In a north-south direction, Central Europe stretches from central Denmark to the southern boundary of the Po Plain in Italy, making the entire Variscan Foreland Basin, the Alpine Mountain Range, the Western Carpathians and the North Dinarides part of the study area. An outline of the geological and geographical settings is shown in Figure 21.1 . The precise geographical position of mineral sites, wells of special interest, hydrocarbon provinces, oil shale deposits and coal fields may be deduced from Tables 21.3 to 21.11 and the map ‘Mineral and energy resources of Central Europe’, at a scale 1:2 500 000 (see CD inside back cover).