 | | Book | | 6 Introduction It is well known that Yemen has long history of ancient mining. The Sabaeans were most...progress that the Yemeni man reached. In recent times, Yemen has carried out numerous geological survey projects...promotional campaigns for mineral resources in Yemen through undertaking a number of local and international...attracted to the investment in the minerals sector in Yemen and they have succeeded to continue in their exploration...results. 1 1. Jabal Salab Company (Yemen) Ltd. Jabal Salab Company (Yemen) Ltd., a company incorporated under |  | | Journal (article/letter/editorial) | | IDENTIFICATION AND QUANTIFICATION OF THE JABALI Zn-Pb-Ag NONSULFIDE DEPOSIT (YEMEN) L. Santoro,1,† G. K. Rollinson...characterization and quantitative evaluation of the Jabali (Yemen) nonsulfide Zn-Pb deposit was carried out using...(QEMSCAN®). Both primary and secondary ores at Jabali are hosted in Jurassic dolostones. Smithsonite...detailed mineralogical and textural information on the Jabali mineralization. A key outcome from this QEMSCAN...The combination of techniques used to examine the Jabali supergene ore provides high-quality information |  | | Journal (article/letter/editorial) | | 2. Bongará – deposits “en la selva” 5.3.3. Yemen (Jabali) – where is the Zinc gone? 5.3.4. Iran – less...Other deposits, such as Angouran (Iran) and Jabali (Yemen) are genetically more complex. Ore deposits...occur in selected ore districts (Sierra Mojada, Jabali etc.). The economic value of zinc nonsulfide ores...Mehdiabad (Iran), Shaimerden (Kazakhstan), Jabali (Yemen), Hakkari (Turkey), Vazante (Brazil), Accha...Columbia, Morocco, Algeria, and Egypt (Hitzman et al., 2003). Nonsulfide zinc deposits have been distinguished |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | discusses exploration guidelines. 685 686 HITZMAN ET AL. Heyl and Bozion (1962) proposed a two-fold classification...Mehdiabad, Iran; 24 = Shaimerden, Kazakhstan; 25 = Jabali, Yemen; 26 = Abu Samar, Sudan; 27 = Kabwe and Star...other metals present in these deposits (Megaw et al., 1988). Such direct-replacement deposits often contain...as those in Namibia (Tsumeb deposit: Lombaard et al., 1986; Hughes, 1987) and in Morocco (Guillaume and...Silvermines deposits in Ireland (Clifford et al., 1986; Boland et al., 1992; Boni and Large, 2003), and deposits |  | Kyle, J. Richard, Ahn, Hyein, Gilg, H. Albert (2018) Nature and origin of the nonsulfide zinc deposits in the Sierra Mojada District, Coahuila, Mexico: constraints from regional geology, petrography, and isotope analyses. Mineralium Deposita, 53 (8) 1095-1116 doi:10.1007/s00126-018-0797-1 | Journal (article/letter/editorial) | | polymetallic carbonate-replacement deposits (e.g., Megaw et al. 1988, 1996). This study focuses on the two NSZ deposits...(hemimorphite-bearing) deposits (e.g., Hitzman et al. 2003). NSZ concentrations commonly are present in...presented (Megaw et al. 1988, 1996; Tritlla et al. 2007; González-Sánchez et al. 2009). The Sierra Mojada...hightemperature carbonate-replacement mineralization (Megaw et al. 1988, 1996), or given the lack of evidence of intrusive...basin-related processes (Tritlla et al. 2007; GonzálezSánchez et al. 2009). Hybrid mineralization models |  | | Journal (article/letter/editorial) | | (Goodfellow et al., 1993; Warren, 2000; 47 Deb and Goodfellow, 2004; Allen and Allen, 2005; Leach et al., 2005)...massive sulfides (VMS) 51 (Leach et al., 2005; Vandeginste et al., 2007; Pirajno, 2010). Global rifting...fluvial and marine basins (Leach et al., 2005; Vandeginste et al., 2007; Pirajno, 2010). 60 Hence,...passive-margin platforms 68 develop later (Cross et al., 1998; Cross and Bosence, 2008). These sediments...same direction of the Red sea (Figs. 1, 2A). In the mine area, 94 the basement rocks are uplifted and caused |  | | Journal (article/letter/editorial) | | are Angouran, Iran (Boni et al., 2007a), Shaimerden, Kazakhstan, Jabali, Yemen, and most recently Torlon...whole series of minerals (Large, 2001; Hitzman et al., 2003; Boni, 2005a). The only minerals of current...Radke, 1988; Blot et al., 1995; E. Belogub, pers. commun.). High 267 268 BONI ET AL. 72°00’ W N 71°50’...the Jabal Dhaylan prospect, Saudi Arabia (Hayes et al., 2000). However, these concentrations are relatively...conditions as hypogene nonsulfides (Sweeney et al., 1991; Brugger et al., 2003). Despite widespread distribution |  | Li, Hao, Xu, Xing-Wang, Borg, Gregor, Albert Gilg, H., Dong, Lian-Hui, Fan, Ting-Bin, Zhou, Gang, Liu, Rui-Lin, Hong, Tao, Ke, Qiang, Wu, Chu, Zhang, Guoliang, Li, Hang (2019) Geology and Geochemistry of the giant Huoshaoyun zinc-lead deposit, Karakorum Range, northwestern Tibet. Ore Geology Reviews, 106. 251-272 doi:10.1016/j.oregeorev.2019.02.002 | Journal (article/letter/editorial) | | lead-zinc metallogenetic domain in China (Fig. 1; Dong et al., 2015). The Karakorum, North Tibet, Sanjiang, and...metallogenic belt (Fig. 1; Hou and Zhang, 2015; Dong et al., 2015; Richards, 2015). The Huoshaoyun deposit is...sulfide ore at 23.75% Pb and 2.68% Zn (Fig. 2; Dong et al., 2015). The Huoshaoyun deposit is the largest known...Large, 2001; Hitzman et al., 2003; Boni et al., 2003; Boni and Large, 2003; Borg et al., 2003; Gilg and Boni...Boni, 2004; Mondillo et al., 2014). The Huoshaoyun deposit is currently in an advanced stage of exploration |  | Liu, YingChao, Hou, ZengQian, Yang, ZhuSen, Tian, ShiHong, Song, YuCai, Yu, YuShuai, Ma, Wang (2016) Geology and chronology of the Zhaofayong carbonate-hosted Pb–Zn ore cluster: Implication for regional Pb–Zn metallogenesis in the Sanjiang belt, Tibet. Gondwana Research, 35. 15-26 doi:10.1016/j.gr.2016.03.015 | Journal (article/letter/editorial) | | deposits (e.g., Bradley and Leach, 2003; Muchez et al., 2005); consequently, the relationship between tectonic...in ore deposit studies (Muchez et al., 2005; MA Ostendorf et al., 2015). By summarizing the previous...et al., 1993; Appold and D Garven, 1999; Leach et al., 2001), (2) thrust belts (Smethurst et al., 1999;...Pannalal et al., TE 2003), and (3) extensional environments (Bau et al., 2003; Heijlen et al., 2003; Muchez...Muchez et al., 2005; Partey et al., 2009). Although many studies have examined MVT deposits, few focused |  | | | | sedimentary facies consisting of a siliciclastic conglomerate and a sedimentary dolomite breccia at the transition...hosted in the now-eroded rocks above the Yanque mine site. Zinc-rich solution migrated through the sedimentary...between the cities of Andahuaylas and Yauri (Perelló et al., 2003). The province hosts numerous porphyry copper...AndahuaylasYauri batholith into Mesozoic sediments (Perelló et al., 2003). The largest porphyry copper deposits in...Tintaya and Las Bambas areas (Zweng et al., 1997; Guillen et al., 2012), as well as the isolated † Corresponding |  | | Journal (article/letter/editorial) | | sedimentary facies consisting of a siliciclastic conglomerate and a sedimentary dolomite breccia at the transition...hosted in the now-eroded rocks above the Yanque mine site. Zinc-rich solution migrated through the sedimentary...between the cities of Andahuaylas and Yauri (Perelló et al., 2003). The province hosts numerous porphyry copper...AndahuaylasYauri batholith into Mesozoic sediments (Perelló et al., 2003). The largest porphyry copper deposits in...Tintaya and Las Bambas areas (Zweng et al., 1997; Guillen et al., 2012), as well as the isolated † Corresponding |  | | Journal (article/letter/editorial) | | overlap within error at 2.95–3.03 Ga (Nilsson et al. 2010). The textural relationships of the zircons...Granite (O’Connor et al. 1989), and their similar initial 87Sr/86Sr ratios (O’Connor et al. 1991), it is debatable...partial melts from similar source rocks (O’Connor et al. 1991; Whitworth and Rankin 1992). This work presents...mountain on the Nanortalik Peninsula, opening as a mine in the early 2000s (Schlatter and Olsen 2010). Nalunaq...Nalunaq was Greenland’s only producing mine before ceasing operations in January 2014 having produced |  | | Journal (article/letter/editorial) | | 1993), Darce et al. (1989, 1993), Ehrenborg, (1996), Hodgson (1977, 1979, 1998), Kesler et al. (1990), Lilljequist...Gose, 1983; Donnelly et al., 1990; Escalante, 1990; Astorga, 1992; Montero et al., 1992; Wein berg, 1992;...1992; Venable, 1993; Barboza et al., 1995; Protti et al., 1995). In general, the Middle America Trench...ments (modified from Weinberg, 1992 and Sundblad et al., 1991). which together exhibit right-lateral movement...block of northern Central America (Don nelly et al., 1990) and the Chorotega block of south ern Central |  | Navarro-Ciurana, Dídac, Campos-Quispe, Luis Alberto, Cardellach, Esteve, Vindel, Elena, Gómez-Gras, David, Griera, Albert, Corbella, Mercè (2016) Mineralogical and geochemical characterization of the Riópar non-sulfide Zn-(Fe-Pb) deposits (Prebetic Zone, SE Spain) Ore Geology Reviews, 79. 515-532 doi:10.1016/j.oregeorev.2016.05.023 | Journal (article/letter/editorial) | | Belgium: Coppola et al., 2008; Sardinia: Boni et al., 2003; Irish Midlands: Balassone et al., 2008; Morocco:...Choulet et al., 2014; Iran: Daliran et al., 2013; Yemen: Mondillo et al., 2014; Turkey; Santoro et al., 2013;...Boland et al., 2003; Namibia: Borg et al., 2003; Australia: Groves et al., 2003; Peru: Boni et al., 2009a;...2009a; Brazil: Monteiro et al., 2007). Non-sulfide zinc ore is also known as “calamine”, which is a convenient...convenient field term used by mine geologists to designate a mixture of Zn minerals. Usually, calamine ore |  | Li, Yang, Li, Jian-Wei, Li, Xian-Hua, Selby, David, Huang, Guang-Huan, Chen, Lin-Jie, Zheng, Kai (2017) An Early Cretaceous carbonate replacement origin for the Xinqiao stratabound massive sulfide deposit, Middle-Lower Yangtze Metallogenic Belt, China. Ore Geology Reviews, 80. 985-1003 doi:10.1016/j.oregeorev.2016.08.017 | Journal (article/letter/editorial) | | last three decades (e.g., Pan and Dong, 1999; Mao et al., 2011 and references therein). These ⁎ Corresponding...genetically related to porphyry-skarn ores (Mao et al., 2011) and references therein). Despite many years...these deposits (Guo et al., 2011; Mao et al., 2011; Xie et al., 2014; Xiao et al., 2016). Several studies...magmatism (Gu et al., 2000, 2007, 2011; Zhou et al., 2010; Xie et al., 2014; Xiao et al., 2016). In contrast...Cretaceous magmatism (Pan and Dong, 1999; Mao et al., 2011; Zhang et al., 2015). The contrasting genetic models |  | | Report (volume) | | W-8 • . W-7 > z 20 W-4 W 29 .� . W-12 cr al W-22 CL 0 1N-11 W-32 .-4-.7- W-5 W-3 '1 20�40�60�80...Paricutin volcano, tributary to Rio de Tepalcatepec. Jabali, Cerros del. Jar atiro, Cerro de. Cone cluster...Surtindaro � 207 Cerro Prieto � 210 Cerros del Jabali cone cluster � 214 Cones on the west and south...Surtindaro from the northwest � 84. Cerros del Jabali cone cluster and lavas 85. Paricutin volcano and...crystalvitric tuff. Locally lenses of andesitic tuff and conglomerate separate the sheets of laharic debris, but they |  | | Report (volume) | | graywacke; the graywacke in places contains pebble conglomerate. These rocks, referred to the Las Trancas formation...overlain with probable conformity by dark-gray conglomerate a few meters thick, which contains at or near...coquina replete with nonribbed oysters. The conglomerate is made up largely of well-rounded pebbles of... BERNAL-JALPAN AREA, ESTADO DE QUERETARO 31 conglomerate. This section is 50 m thick. Farther north it...pelecypod fragments were found in the pebble conglomerate on the east slope of Cerro de la Mufieca about |  | | Journal (article/letter/editorial) | | models challenging the conventional view (Large et al., 2007; 2009). Textural, mineral and chemical evolution...intergrowth, formed by replacement of pyrrhotite (Large et al., 2007; 2009). Detailed petrography has revealed...the South Tien Shan orogenic belt (Khamrabaev et al., 1971). Samples from other gold systems located...key deposts highlighted geochronology (Seltmann et al., 2010) point to a genesis within the framework of...style of the magmatism at this time (Graupner et al., 2006; 2010). The consequences for exploration strategies |  | | Book | | remains were found only in one place in the huge conglomerate. . . . | had to content myself with picking...generically unidentifiable hadrosaurs (Murray et al., 1960). Colbert later collected the first theropod...Jurassic-Early Cretaceous age (FerrusquiaVillafranca et al., 1978, 1980). In 1980, the men, joined by Victor...Coahuila (Applegate, 1988; Espinosa-Arrubarrena et al., 1989). Later, in Saltillo, Coahuila, they met José...years) was named Velafrons coahuilensis (Gates et al., 2007), and a chasmosaurine ceratopsian was named |  | | Book | | countries (Morocco, Algeria, Tunisia, Egypt, Sudan, Yemen, the Emirates, Libya, Canada, Spain, France, Italy...Arabian–Nubian Shield (East African Orogen)”, Hamimi et al. highlighted the tectonic setting of the Egyptian...a Rigid Block”, is a discussion given by Fezaa et al. on the geochronological, geochemical and isotopic...Shear Zones During the Pan-African”, by Henry et al., is essentially a synthesis of their work on magnetic...District (Hoggar, Southern Algeria)”, by Bouzid et al., is a magnetotelluric study that attempts to constrain |  | | Journal (article/letter/editorial) | | host rock lithology exist (Mempel, 1962; Mempel et al., 1965). However, 57 little is known about the...recent research efforts, e.g., Will et al. (2016) and Wüstefeld et al. (2017), who 63 focused their investigation...volcanic host rocks of the ABB (Mempel, 1962; Mempel et al., 1965)—merely 72 some occurrences of pyrite have...activity. 75 According to Mempel (1962) and Mempel et al. (1965) galena, sphalerite, pyrite, 76 chalcopyrite...the Central European Basin System (e.g., Littke et al., 2008a). During the late 111 Carboniferous to |  | | Report (issue) | | Mexico.145 G. Gastil, R. Rector, G. Hazelton, R. Al-Riyami, J. Hanes, E. Farrar, H. Boehnel, A. Ortega-Rivera...over a span of 10 years (Goldhammer et al., 1991; C. A. Johnson et al, 1991). The principal area of concern...Mexico long-term accommodation cycles (Goldhammer et al., 1991) prior to the Laramide phase of deformation... and basement grain (de Cserna, 1989; Sedlock et al., 1993; Moran-Zenteno, 1994). The differing stratigraphies...eustasy-dominated Gulf of Mexico (Cordoba, 1969; Cordoba et al., 1970, 1980; de Cserna, 1970, 1974, 1989; Sewald |  | | Book | | similar eruptions that extend through Saudi Arabia to Yemen and the Afar. Early Miocene extension resulted in...of Libyan Desert Glass and Dakhleh Glass. Folco et al. subsequently provide a general introduction to meteorites.... . . . . . . 2.3.7 The Classification of Ries et al. (1983) . . . . . . . . . . . . . . . . . . . ... . . . . . 2.3.9 The Classification of El Gaby et al. (1988, 1990) 2.3.10 The Classification of Ragab and...(Egypt) along with some years at Sana’a University (Yemen) and King Abdulaziz University (Saudi Arabia). He |  | | Journal (article/letter/editorial) | | are used to fund political conflicts (Melcher et al., 2008). This study investigates rare metals in granitic...Afr. Earth Sci., 1, (1), 35–40. Melcher, F., et al. 2008. SGA News, 23, 1–20. Indium mineralisation...Kingdom (British Geological Survey, 2012; Moss et al., 2011). Indium is geologically underexplored, as...Deposit Studies Group (Andersen, 2008; Andersen et al., 2009). Recent research expands the scope for economic...from the northern margin of Dartmoor (the Red-a-Ven mine), the greisen vein systems at Redmoor and Cligga |  | | Book | | reaction Standard deviation Chemical Elements Ac Ag Al Am Ar As At Au Ba Be B Bh Bi Bk Br C Ca Cd Ce Cl...archaeology or Roman provinces (Hölscher 2006; Borbein et al. 2000; Fischer 2001). Only Renfrew and Bahn (2000)...greatly expanded “Stuttgart database” (Junghans et al. 1960, 1968, 1974; Hartmann 1970, 1982; Krause 2003)...mining activities in developing countries (Priester et al. 1993). Ronald F. Tylecote and Paul T. Craddock may...native copper (Yalç{n and Pernicka 1999; Maddin et al. 1999), have long been considered to be securely |
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