Subjects -> MINES AND MINING INDUSTRY (Total: 82 journals)
Showing 1 - 42 of 42 Journals sorted by number of followers
Stainless Steel World     Full-text available via subscription   (Followers: 17)
Journal of Metamorphic Geology     Hybrid Journal   (Followers: 15)
Journal of Applied Geophysics     Hybrid Journal   (Followers: 15)
International Journal of Hospitality & Tourism Administration     Hybrid Journal   (Followers: 14)
European Journal of Mineralogy     Hybrid Journal   (Followers: 12)
Journal of Geology and Mining Research     Open Access   (Followers: 11)
Contributions to Mineralogy and Petrology     Hybrid Journal   (Followers: 11)
Mineral Processing and Extractive Metallurgy : Transactions of the Institutions of Mining and Metallurgy     Hybrid Journal   (Followers: 11)
Minerals Engineering     Hybrid Journal   (Followers: 9)
Transactions of Nonferrous Metals Society of China     Hybrid Journal   (Followers: 9)
Lithos     Hybrid Journal   (Followers: 9)
International Journal of Minerals, Metallurgy, and Materials     Hybrid Journal   (Followers: 9)
Natural Resources Research     Hybrid Journal   (Followers: 8)
Journal of Human Resources in Hospitality & Tourism     Hybrid Journal   (Followers: 8)
Geotechnical and Geological Engineering     Hybrid Journal   (Followers: 8)
Clay Minerals     Hybrid Journal   (Followers: 8)
Rock Mechanics and Rock Engineering     Hybrid Journal   (Followers: 7)
International Journal of Rock Mechanics and Mining Sciences     Hybrid Journal   (Followers: 6)
International Journal of Mining Engineering and Mineral Processing     Open Access   (Followers: 5)
Journal of Quality Assurance in Hospitality & Tourism     Hybrid Journal   (Followers: 5)
Canadian Mineralogist     Full-text available via subscription   (Followers: 5)
Mine Water and the Environment     Hybrid Journal   (Followers: 5)
International Journal of Mining and Mineral Engineering     Hybrid Journal   (Followers: 5)
Journal of the Southern African Institute of Mining and Metallurgy     Open Access   (Followers: 5)
Mining Engineering     Full-text available via subscription   (Followers: 5)
Resources Policy     Hybrid Journal   (Followers: 4)
Reviews in Mineralogy and Geochemistry     Hybrid Journal   (Followers: 4)
International Journal of Mining Science and Technology     Open Access   (Followers: 4)
Mineral Processing and Extractive Metallurgy Review     Hybrid Journal   (Followers: 4)
Applied Earth Science : Transactions of the Institutions of Mining and Metallurgy     Hybrid Journal   (Followers: 4)
International Journal of Mining, Reclamation and Environment     Hybrid Journal   (Followers: 4)
Physics and Chemistry of Minerals     Hybrid Journal   (Followers: 4)
Mineralium Deposita     Hybrid Journal   (Followers: 4)
Journal of Convention & Event Tourism     Hybrid Journal   (Followers: 4)
Journal of Sustainable Mining     Open Access   (Followers: 3)
Mining Journal     Full-text available via subscription   (Followers: 3)
Ghana Mining Journal     Full-text available via subscription   (Followers: 3)
International Journal of Coal Geology     Hybrid Journal   (Followers: 3)
Lithology and Mineral Resources     Hybrid Journal   (Followers: 3)
Geology of Ore Deposits     Hybrid Journal   (Followers: 3)
Journal of Materials Research and Technology     Open Access   (Followers: 2)
Rocks & Minerals     Hybrid Journal   (Followers: 2)
BHM Berg- und Hüttenmännische Monatshefte     Hybrid Journal   (Followers: 2)
Environmental Geochemistry and Health     Hybrid Journal   (Followers: 2)
International Journal of Coal Science & Technology     Open Access   (Followers: 2)
Archives of Mining Sciences     Open Access   (Followers: 2)
Mining Report     Hybrid Journal   (Followers: 2)
Extractive Industries and Society     Hybrid Journal   (Followers: 2)
Mineralogy and Petrology     Hybrid Journal   (Followers: 2)
Mining Technology : Transactions of the Institutions of Mining and Metallurgy     Hybrid Journal   (Followers: 2)
Mineralogia     Open Access   (Followers: 2)
Geomaterials     Open Access   (Followers: 2)
Journal of Mining Science     Hybrid Journal   (Followers: 2)
International Journal of Coal Preparation and Utilization     Hybrid Journal   (Followers: 2)
Journal of Central South University     Hybrid Journal   (Followers: 1)
Journal of Analytical and Numerical Methods in Mining Engineering     Open Access   (Followers: 1)
Neues Jahrbuch für Mineralogie - Abhandlungen     Full-text available via subscription   (Followers: 1)
Rangeland Journal     Hybrid Journal   (Followers: 1)
Gems & Gemology     Full-text available via subscription   (Followers: 1)
Mineralogical Magazine     Hybrid Journal   (Followers: 1)
CIM Journal     Hybrid Journal  
Natural Resources & Engineering     Hybrid Journal  
Mining, Metallurgy & Exploration     Hybrid Journal  
Podzemni Radovi     Open Access  
Rudarsko-geološko-naftni Zbornik     Open Access  
Journal of Mining Institute     Open Access  
International Journal of Mining and Geo-Engineering     Open Access  
Journal of China Coal Society     Open Access  
Réalités industrielles     Full-text available via subscription  
Revista del Instituto de Investigación de la Facultad de Ingeniería Geológica, Minera, Metalurgica y Geográfica     Open Access  
Mineral Economics     Hybrid Journal  
Minerals     Open Access  
Gold Bulletin     Hybrid Journal  
Minerals & Energy - Raw Materials Report     Hybrid Journal  
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Neues Jahrbuch für Mineralogie - Abhandlungen
Journal Prestige (SJR): 0.307
Citation Impact (citeScore): 1
Number of Followers: 1  
 
  Full-text available via subscription Subscription journal
ISSN (Print) 0077-7757 - ISSN (Online) 2363-7161
Published by Schweizerbart Science Publishers Homepage  [23 journals]
  • Geochemistry of post-collisional Oligocene calc-alkaline magmatism in the
           Qom-Saveh subbasin, Iran

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      Abstract: Geochemistry of post-collisional Oligocene calc-alkaline magmatism in the Qom-Saveh subbasin, IranFalahaty, Somayeh; Sharifi, Mortaza; Khalili, Mahmoud
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. - AbstractThe Lower Red Formation (LRF) of Iran’s Central Basin hosts three closely associated in space and time groups of medium-K to high-K calc-alkaline Oligocene volcanic rocks. In the Qom area (the Qom-Saveh subbasin) the rocks of Groups 2 and 3 (G2 and G3) were erupted during the first and the second eruption stages hosted within evaporites (group 2 within gypsum layers and group 3 within salt deposits). Rocks of Group 1 (G1) intruded marl sediments and were erupted during the third eruption stage. Petrographic studies reveal three distinct rock textures: the G1 is characterized mainly by intergranular texture, while the G2 and G3 are marked by trachytic and porphyritic textures, respectively. All volcanic rocks in our study are dominated by plagioclase, clinopyroxene and olivine, while opaque minerals and alkali feldspars are minor minerals. The more primitive G1 samples comprise basalts/trachybasalts, and the more differentiated G2 and G3 samples have a basaltic trachyandesite composition. All of the studied samples are characterized by high LILE/HFSE ratios, negative Nb and Ta anomalies, as well as Ba and K enrichments-all features of subduction-related magmatism. The variations observed in the ratios of strongly incompatible elements and in radiogenic isotopes exclude the possibilities of fractional crystallization or variation in the degrees of partial melting of a homogenous mantle source as a cause for the transition from G1 to magmas from the other groups. Considering that the ratios of strongly incompatible elements and the radiogenic isotopes reflect composition of the source mantle – it is likely that differences between the rocks of the three groups reflect variations in the composition of their unmodified mantle source, as well as the differences in the extent and effect of its metasomatic (subduction-related) modification. The 87Sr/86Sr and 143Nd/144Nd ratios indicate that the three rock groups were derived from distinct mantle sources that largely differ from pure OIB-type mantle. Instead, the isotope and trace element signatures should be considered transitional between subduction zone fluids/melts and OIB-like mantle. Such subduction-modified post-collisional magmas from the Qom area appear to have ascended along extensional faults, caused by the collision of the Arabian and Eurasian plates during the late Eocene-early Oligocene.
      PubDate: Mon, 20 Jun 2022 00:00:00 +000
       
  • Geochemistry and Zircon-Allanite U-Pb Geochronology of Aplites-Pegmatites
           in the Qorveh Region, Sanandaj-Sirjan Zone, Iran

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      Abstract: Geochemistry and Zircon-Allanite U-Pb Geochronology of Aplites-Pegmatites in the Qorveh Region, Sanandaj-Sirjan Zone, IranSepahi, Ali A.; Salami, Sedigheh; Maanijou, Mohammad; Lentz, David R.; McFarlane, Chris R. M.; Vahidpour, Hamed
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. - AbstractThe aplites-pegmatites in the Qorveh region, NW Sanandaj-Sirjan zone, Zagros orogen, Iran, appear as dikes intruding various lithologies, such as granite, gabbro, diorite, and marble. These dikes have mostly granitic compositions, and their alumina saturation index (ASI) varies from metaluminous to peraluminous. Comparatively high amounts of incompatible trace elements, such as Nb (up to 109 ppm), Ba and Rb (up to 586 ppm), indicate an evolved composition of these dikes. The zircon U-Pb ages for an aplite sample from the Kangareh area are concordant, but scatter from c. 162 to 132 Ma, whereas allanite yields a 151.0 ± 4.3 Ma age (Mean Square of Weighted Deviates, MSWD = 1.4). Allanite of an aplitic dike from the Mayham area gave a U-Pb age of 150.3 ± 4.3 Ma (MSWD = 1.2). The ages obtained for aplite dikes indicate approximately the same ages as previously reported ages (140–160 Ma) for plutonic rocks of the region; therefore, Late Jurassic magmatic (plutonic) activities possibly in a continental arc setting could be an important feature in the region.
      PubDate: Tue, 17 May 2022 00:00:00 +000
       
  • Mineral chemistry from the Late Cretaceous peralkaline rhyolite at Hadjer
           el Khamis, Chad: constraints on magmatic conditions

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      Abstract: Mineral chemistry from the Late Cretaceous peralkaline rhyolite at Hadjer el Khamis, Chad: constraints on magmatic conditionsShellnutt, J. Gregory; Iizuka, Yoshiyuki; Lee, Tung-Yi; Chen, Wei-Yu
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. - AbstractThe Late Cretaceous (74.4 ± 1.3 Ma) peralkaline rhyolite from Hadjer el Khamis erupted during a period of rifting within the Bornu and Termit basins of the Lake Chad region. The rhyolites are representative of a residual silicic magma that was derived by fractional crystallization of mantle derived basaltic parental magma. The primary phenocrysts of the rocks are quartz, alkali feldspar, arfvedsonite, aegirine, hedenbergite, and ilmenite. From the whole rock and mineral compositions, we conclude that the pre-eruptive temperatures were between 800 °C and 900 °C, but probably closer to 850 °C to 900 °C. The Fe-rich mafic mineral compositions and absence of magnetite indicate that the relative oxidation state of the melt was below the fayalite-magnetite-quartz buffer. The estimated relative oxidation state is calculated to range from ∆FMQ –1.1 to ∆FMQ –2.8. The water content of the magma was likely close to or at saturation (i.e. H2O ≈ 3.2 wt%) whereas the fluorine content was likely less than saturation (i.e. Fmeltwt% < 0.6 wt%) due to the absence of magmatic fluorite. The pre-eruptive magma was likely volatile-rich, but underwent a period of significant degassing prior to or during eruption that led to a drier lava with higher viscosity, lower effusivity that allowed for slow cooling, the development of columnar joints, and the crystallization of hypersolvus feldspar.
      PubDate: Tue, 17 May 2022 00:00:00 +000
       
  • Geochemical and petrographic characteristics of eclogite-amphibolite
           

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      Abstract: Geochemical and petrographic characteristics of eclogite-amphibolite bodies in the northern Fleur-de-Lys Supergroup of NE Newfoundland, CanadaMassonne, Joachim; Opitz, Joachim; van Staal, Cees
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. - AbstractThe results of a detailed study of thirty eclogite and amphibolite bodies embedded within gneiss and schist of the northern Fleur-de-Lys Supergroup (NFLS) in northeastern Newfoundland, eastern Canada, are presented. The NFLS represents a part of the Iapetus margin of Laurentia that was deeply buried as a result of an arc-continent collision during the Taconic orogeny. Our petrographic and geochemical study was principally aimed at investigating (1) the character of the protoliths of the metabasic bodies and (2) whether the amphibolites represent retrogressed eclogites. The obtained geochemical data indicate that nearly all samples have a mid-ocean ridge basalt (MORB)-like signature. Rare-earth element patterns yielded occasionally a slightly negative Eu anomaly. Ce/Yb ratios, normalized to chondrite, are between 0.6 and 6.4. Thus, the protoliths of nearly all of our samples were N- to E-MORBs. The petrographic and geochemical results suggest that NFLS amphibolites were formed by retrogression of pre-existing eclogite. In addition, we compared the geochemical data determined by (1) inductively coupled plasma (ICP) optical emission spectroscopy and ICP mass spectrometry (MS) after rock powder + Li-borate had been melted and dissolved in nitric acid and (2) X-ray fluorescence spectroscopy using glass discs with those obtained from a rarely applied method combining laser ablation of these discs and ICP-MS. The comparison demonstrates that this method should be optimized by an advanced mass-dependent sensitivity drift correction.
      PubDate: Tue, 08 Mar 2022 00:00:00 +000
       
  • Petrogenesis and tectonic environments for formation of peridotites and
           associated podiform chromite ore, southern part of Manipur Ophiolite Belt,
           Indo-Myanmar Orogenic Belt, NE India

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      Abstract: Petrogenesis and tectonic environments for formation of peridotites and associated podiform chromite ore, southern part of Manipur Ophiolite Belt, Indo-Myanmar Orogenic Belt, NE IndiaPremi, Kshetrimayum; Sen, Amit Kumar; Singh, A. Krishnakanta; Lakhan, Nongmaithem
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. 209 - 232AbstractThis article describes a new comprehensive study of mantle peridotites and associated podiform chromite ore from the southernmost part of Manipur Ophiolite Belt (MOB), northeast India. The ophiolitic suite of rocks exposed in the study area are comprised of well-preserved peridotite, chromite ore bodies with minor mafic (gabbro, basalt, mafic dyke) and felsic (plagiogranite) rocks, and oceanic pelagic sediments. The mantle peridotite consists chiefly of lherzolite with a lesser amount of harzburgite, whereas the chromite ore bodies (pods, lenses, veins) of variable sizes are hosted within the peridotites. The composition of chrome spinel in the peridotite is characterized by high Al2O3 (> 45 wt.%), Mg# (< 80) and low in Cr# (< 24). The chrome-spinel and olivine (Fo < 91) compositions and the characteristics of REE-distribution pattern resemble with the abyssal peridotites that preferentially generated in the mid-oceanic ridge tectonic setting by low degree of partial melting (< 12 %) of the mantle. Conversely, the chromite mineral in the ore is low in Al2O3 (11.15–21.13 wt.%), high in Cr# (61.94–77.86) with Mg# content in massive (60.23–71.47) and altered (13.15–54.02) chromite ores. These characteristics indicate their derivation from a boninitic melt by a higher degree of partial melting (> 20 %) at the supra-subduction zone tectonic environment. The results in the present study support that the magmatism in the mid-oceanic environment followed by subduction-related tectonic activity was responsible for the evolution of MOB. Later, the entire ophiolite sequence was obducted and emplaced along the eastern plate margin of the Indian subcontinent and the Indo-Myanmar Orogenic Belt during collisional orogeny.
      PubDate: Tue, 25 Jan 2022 00:00:00 +000
       
  • Shoshonitic magmatism in the Deh-Zahir area, southeast Iran: Evidence for
           post collisional magmatism and mantle metasomatism in the southeastern
           Urumieh-Dokhtar magmatic arc

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      Abstract: Shoshonitic magmatism in the Deh-Zahir area, southeast Iran: Evidence for post collisional magmatism and mantle metasomatism in the southeastern Urumieh-Dokhtar magmatic arcSalehi Nejad, Hamideh; Ahmadipour, Hamid; Moinzadeh, Hesamodin; Nazarinia, Asma; Moradian, Abbas; Lentz, David R.; Papadopoulou, Lambrini; Santos, José Francisco
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. 233 - 251AbstractIn the northern part of the Dehaj-Sarduieh volcano-plutonic belt (Deh-Zahir area, Kerman province, Iran), a series of subvolcanic rocks occur as dykes. These dykes show variable porphyritic textures and contain large plagioclase, clinopyroxene, K-feldspar and occasionally altered olivine phenocrysts set in an intergranular and trachytic textured groundmass. The groundmass consists of olivine, clinopyroxene, plagioclase, K-feldspar, analcime and opaque crystals. Electron microprobe analyses reveal that the plagioclases are mainly bytownite, K-feldspars are sanidine and pyroxenes are diopside and salite. Based on geochemical data, these rocks are classified as trachy-basalts with shoshonitic affinity, with primitive mantle-normalized spider diagrams showing clear depletions in Nb, Ti, and heavy rare earth elements (HREE) + Y and a strong enrichment in large-ion lithophile elements (LILE). Chondrite-normalized REE diagrams for these rocks show light REE enrichment, but heavy REE + Y are less, without any remarkable Eu anomaly. Primitive 87Sr/86Sr ratios and positive εNd values for the studied dykes change from 0.70438 to 0.70550 and 2.09 to 5.76, respectively, of which these were derived from parental magma extracted from partial melting of metasomatized mantle, namely spinel peridotite. However minor contamination with upper crust was also involved in the composition of the studied dykes. Tectonomagmatic discrimination diagrams and zircon U-Pb age data show that the Deh-Zahir dykes formed after collision of the Arabian and Eurasian plates in the Miocene.
      PubDate: Tue, 25 Jan 2022 00:00:00 +000
       
  • Possibilities for misidentification of natural diamond and coesite in
           metamorphic rocks

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      Abstract: Possibilities for misidentification of natural diamond and coesite in metamorphic rocksKeller, Duncan S.; Ague, Jay J.
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. 253 - 261AbstractCoesite and diamond are the traditional indicator minerals used to identify ultrahigh-pressure (UHP) metamorphic rocks, which are rare records of deep subduction zone processes. However, concerns of UHP indicator misidentification and sample contamination drive dialogue on UHP discoveries. We document scenarios in which contamination artifacts or other mineral phases analytically or visually mimic genuine metamorphic diamond and coesite; these examples complement and extend discussion of sample contamination in suspected UHP rocks. Diamonds embedded or trapped during routine sample preparation can appear nearly identical to metamorphic diamond textures, including the radial polishing scratches that facilitate diamond recognition at thin section surfaces, and in some cases may not be dislodged by ultrasonic cleaning. The diagnostic Raman peak at or slightly above ~521 cm–1 used to identify coesite is close to Raman peaks of contaminant crystalline Si0 from SiC grit (~521 cm–1), and to photoluminescence excitations of rare earth elements in xenotime; these excitations may also mimic a coesite peak at ~424 cm–1. To help avoid spurious recognition of diamond and coesite, we propose that surficial diamonds never be considered, that Si0 and xenotime should be ruled out when proposing a coesite identification using Raman spectroscopy alone, and that inclusions < 5 µm from the slide base generally be excluded from consideration.
      PubDate: Tue, 25 Jan 2022 00:00:00 +000
       
  • Adakite signatures in granitoids northwest of Shahr-e-Babak, Kerman, Iran:
           constraints from geochemistry

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      Abstract: Adakite signatures in granitoids northwest of Shahr-e-Babak, Kerman, Iran: constraints from geochemistryGhadami, Gholamreza; Nazarinia, Asma
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. 263 - 283AbstractGranitoid bodies are intruded in the northwestern part of the Dehaj-Sarduiyeh volcano-sedimentary belt, southeast of the Urumieh-Dokhtar Magmatic Arc in Iran. These rocks, with porphyritic texture consist mainly of diorite, tonalite and granodiorite rocks. Mineralogically, they consist mainly of plagioclase (andesine and oligoclase), K-feldspar (orthoclase), quartz, biotite and magnesio-hornblende. Whole rock geochemical analyses reveal subalkaline, calc-alkaline, metaluminous and I-type characteristics. The studied granitoids are enriched in LILEs (such as K, Cs, Sr, Pb) and depleted in HFSEs (such as Ti, Nb, P) similar to granitoids found at subduction zones. The geochemical characteristics of the studied granitoids such as their low Y (av. 8.80 ppm) content, high Sr content (av. 891 ppm), Sr/Y> 20 (av. 102) and no significant Eu anomalies, indicate their similarity with adakitic magma (Kuh-Panj type). The geochemical characteristics of the studied granitoids show their derivation from partial melting of a thickened, garnet bearing, amphibolitic lower continental crust in a subduction-related arc setting.
      PubDate: Tue, 25 Jan 2022 00:00:00 +000
       
  • Geochemical and fluid inclusion studies of Au and Cu bearing veins in the
           Hureh area, West Iran

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      Abstract: Geochemical and fluid inclusion studies of Au and Cu bearing veins in the Hureh area, West IranAhankoub, Maryam; Shabanian, Nahid; Davoudian, Alireza; Bagheri, Hashem; Nasiri, Masoumeh
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2022), p. 285 - 301AbstractThe Hureh Au-Cu veins are located north of Shahrekord, in the central part of the Sanandaj-Sirjan Zone (SaSZ). Mineralized country rocks consist of Mesozoic volcanic, sedimentary and low-grade metamorphic rocks. Main vein minerals are quartz, adularia, carbonates, pyrite, chalcopyrite, chalcocite, covellite, malachite, azurite, hematite, magnetite and goethite. Mineralization occurs as veins, vein swarms, stockwork, and as disseminated and breccia type with quartz, adularia, illite, calcite, hematite, chlorite and sericite as gangue minerals. The analyzed vein samples show up to 1343 ppm Au and> 10000 ppm Cu. The vein minerals reflect the near neutral-pH and reduced composition of the ore fluid. Micro-thermometric analyses show that the salinity of the ore-bearing fluid was between 6.74 and 10.74 wt% NaCl equiv. Fluid inclusion microthermometry indicates mineralization temperatures between 180° and 290 °C. Minimum pressure at the time of fluid entrapment is estimated at about 50 to 100 bars, equivalent to hydrostatic depths of 110 to 150 m. The main factors that gave rise to the Hureh mineralization are an island arc tectonic setting, presence of fractures and faults, and permeability of the country rocks. The Hureh mineralization can be classified as a low sulfidation epithermal system.
      PubDate: Tue, 25 Jan 2022 00:00:00 +000
       
  • Editorial

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      Abstract: EditorialRalf, Halama
      Neues Jahrbuch für Mineralogie - Abhandlungen, (2021), p. 105 - 106
      PubDate: Fri, 22 Oct 2021 00:00:00 +000
       
 
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