 | | Journal (article/letter/editorial) | | o - A u - U mineralization is associated with carbonate and quartz within albitized country rocks. Typical...exploitable gold deposits namely, Bidjovagge in Norway (Bj6dykke et al., 1987), Saattopora in Finland...FINLAND currences associated with quartz-carbonate veins and hosted by tholeiites and feldspar porphyritic...hosted mainly by quartzitic sedimentary rocks; veins are less important. At least one Kuusamo occurrence...Most carbonate alteration is spatially associated with zones of brittle deformation where carbonate-rich |  | | Journal (article/letter/editorial) | | low-grade metamorphic zone are dominated by a brannerite-anatase-apatite assemblage and are low in uranium...elsewhere in northern Australia. At Anderson’s Lode, brannerite and apatite were concentrated in veinlets by...seams are cut by premetamorphic quartzchlorite veins. Examples at higher metamorphic grade have textures...HYDROTHERMAL ALTERATION Epidote (from HYMAP images) Carbonate-iron oxide (Bain et al., 1992; NE part of map...of epidote (HYMAP data: Yang et al., 2000) and carbonate-iron oxide alteration zones (from Bain et al. |  | | Journal (article/letter/editorial) | | is considered unique for Irish Carboniferous carbonate-hosted copper deposits. However, the low temperature...handspecimens contained up to 3.8% U308. Most of the carbonate-hosted base-metal deposits is Ireland, such as...Gortdrum Fault. The wedge zone forms a melange of carbonate and wall rock formed during strike-slip movement...minerals now present in these altered intrusions are carbonate (calcite and ferroan-dolomite), chlorites, clay...and rounded rock fragments in a fine grained carbonate matrix and 52 Table 1. Microprobe analyses |  | | Journal (article/letter/editorial) | | minerals Article Uraninite, Coffinite and Brannerite from Shear-Zone Hosted Uranium Deposits of the...complex uraninite–coffinite and uraninite–coffinite–brannerite assemblages. For analysed coffinites and brannerites... P2 O5 (0–1.8 wt %), and CaO (0.7–3.5 wt %). Brannerite is present in unaltered and altered grains with...subordinate subordinate hematite hematite and and carbonate, carbonate, are are named aceites according the recent...mineralogy of uranium minerals (uraninite, coffinite, brannerite), as this paper are to present the detailed mineralogy |  | Wilde, Andy, Otto, Alex, Jory, John, MacRae, Colin, Pownceby, Mark, Wilson, Nick, Torpy, Aaron (2013) Geology and Mineralogy of Uranium Deposits from Mount Isa, Australia: Implications for Albitite Uranium Deposit Models. Minerals, 3 (3). 258-283 doi:10.3390/min3030258 | Journal (article/letter/editorial) | | microveins, containing K-feldspar, biotite, coffinite, brannerite, rare uraninite, ilmenite and rutile. An unusual...B- and Be-rich pegmatites and quartz-tourmaline veins. Minerals 2013, 3 259 Keywords: uranium; high...Valhalla deposit identified an ore assemblage of brannerite (containing 50% U) and an uraniferous “zircon-type”...of hydrothermal fluorapatite associated with brannerite and anatase believed to predate peak metamorphism...relate uranium deposition to regional calcite-carbonate alteration that is particularly well developed |  | Polito, Paul A., Kyser, T. Kurt, Stanley, Cliff (2009) The Proterozoic, albitite-hosted, Valhalla uranium deposit, Queensland, Australia: a description of the alteration assemblage associated with uranium mineralisation in diamond drill hole V39. Mineralium Deposita, 44 (1) 11-40 doi:10.1007/s00126-007-0162-2 | Journal (article/letter/editorial) | | albite, reibeckite, calcite, (titano)magnetite ± brannerite. The main stage of mineralisation is dominated...laminated and intensely altered rock cemented by brannerite, apatite, (uranoan)-zircon, uraninite, anatase... chlorite, quartz and Pb-, Fe-, Cu-sulfides. Brannerite has U–Pb and Pb–Pb ages that indicate formation...assemblage of Rodinia. The oldest ages of the brannerite overlap with 40Ar/39Ar ages of 1,533±9 Ma and...Orogeny. 12 Keywords Proterozoic . Uranium . Brannerite . Zircon . Albitite . Sodic . Isotope geochemistry |  | | Report (volume) | | minerals Name Composition Remarks Absite- Thorian brannerite- - - - - - - - ·· Abukumalite - (Y, Ce, Ca) 5...- - - - - - - - - - - - Beiyinite Rare-earth carbonate (?) - - - - - - - - - - - - Resembles bastnaesite...- 7(Ca, Na2)0 · RE 20 3 • 11 B20a · 7H20 - - Brannerite- - - - - (U, Ca2Th, Y) (Ti, Fe) 2 Os - - - -...and Geochemistry. (Universitetsforlaget). Oslo, Norway. L'vov Univ. Mineralog. Sbornik-Mineralogicheskiy...-Norges Geologiske Undersokelse Skrifter. Oslo, Norway. Norsk Geol. Tidsskr.-Norsk Geologisk Tidsskrift |  | | Journal (article/letter/editorial) | | mineralization occurs in horizons as well as in veins in the Permian formations near Novoveskfi Huta....and 813C from - 6 . 3 to -2.5%0 in quartz-carbonate veins with Cu mineralization suggesting a deep source...120 ~ C, according to fluid inclusions. Younger veins with Cu mineralization were formed 115 _+ 10 Ma...U-Mo horizons, 2 - Cu sandstones horizons, 3 - Cu veins and U - M o stockwork mineralization 59 S III~DOQOIO@o~O~...conglomerates, sandstones, aleurolites (often with carbonate concretions), tuffites, tufts and volcanics. Sedimentation |  | | Journal (article/letter/editorial) | | sometimes referred to as ‘episyenite’ [2,13]. Carbonate minerals (dolomite and calcite) predating uranium...high proportion of refractory phases such as brannerite, U-ferropseudobrookite and an unnamed uraniferous...90% of the ore when the host rock is a ‘meta-carbonate’ [2]. Anderson’s Lode (Mount Isa District) contains...cutting carbonate veins (cb), Queen’s Gift(C)—hydrothermal deposit, Mt Isa District. (am) veins cutting...and late carbonate veins (cb), Queen’s Gift deposit, Mt Isa District. E—amphibole (am) veins cutting albitite |  | Apukhtina, Olga B., Ehrig, Kathy, Kamenetsky, Vadim S., Kamenetsky, Maya B., Goemann, Karsten, Maas, Roland, McPhie, Jocelyn, Cook, Nigel J., Ciobanu, Cristiana L. (2020) Carbonates at the supergiant Olympic Dam Cu-U-Au-Ag deposit, South Australia. Part 1: Distribution, textures, associations and stable isotope (C, O) signatures. Ore Geology Reviews, 126. 103775pp. doi:10.1016/j.oregeorev.2020.103775 | Journal (article/letter/editorial) | | ABSTRACT Keywords: IOCG deposits Olympic Dam Carbonate minerals Siderite Stable isotopes The supergiant...mineralogically diverse component of carbonate minerals. Carbonate minerals are always associated with...and texture, and an attempt is made to relate carbonate formation to local and regional events that have...Olympic Dam. Based on a set of 196 carbonate-bearing samples, carbonate minerals are observed in all lithologies...breccia and conglomerates, as breccia clasts, in veins crosscutting ore-rich breccia and other rock types |  | | Journal (article/letter/editorial) | | urani-ferous leucoxene/rutile aggregates and brannerite grains from the Elliot Lake area, Canada, and...leucoxene/rutile to uranium-enriched brannerite. However, the presence of metamict brannerite can only be verified by...the latter mineral. The actual occurrence of brannerite in Precambrian conglomerates must, therefore...conglomerates did not lead to the formation of authigenic brannerite, but rather resulted in microcrystalline leucoxene/rutile...Witwatersrand basin in South Africa. Uraninite and brannerite are the main uranium bearing phases in these |  | Lesbros-Piat-Desvial, M., Beaudoin, G., Mercadier, J., Creaser, R. (2017) Age and origin of uranium mineralization in the Camie River deposit (Otish Basin, Québec, Canada) Ore Geology Reviews, 91. 196-215 doi:10.1016/j.oregeorev.2017.10.006 | Journal (article/letter/editorial) | | consists of disseminated and vein uraninite and brannerite precipitated close to the unconformity between...basement Tichegami Group. Uraninite with minor brannerite is mainly hosted by subvertical reverse faults...Uranium mineralization is associated with chlorite veins and alteration with temperatures near 320 ºC, that...alterations, the paragenetic sequence and the brannerite-uraninite assemblage, the relatively high 2...chlorite and carbonate zone and an external zone comprising albite, chlorite and pyrite in veins and as disseminations |  | | Journal (article/letter/editorial) | | intergrown with Cu mineralization in Cu-bearing veins in the Hubi-type copper (cobalt) deposits. This...Monazite crystals separated from Cu-bearing carbonate veins within the orebody of Tongmugou yield a weighted...± 34 Ma based on U-Pb dating of uraninite and brannerite in disseminated and vein ores of the Hubi-type...amount of Cu-bearing sulfide within molybdenite veins along the fault from the Hubi-type copper (cobalt)...mineralization. Recently, chalcopyrite in Cu-bearing quartz veins of the Hubi-type copper (cobalt) deposits yielded |  | | Journal (article/letter/editorial) | | platiniferous J–M Reef of the Stillwater Complex. The carbonate assemblage consists of dolomite with exsolved...temperature of 920uC for the unmixed assemblage. Carbonate Fe and Mn contents range from 0?40 to 2?25 wt-%FeO...minimum formation temperature of y900uC. The carbonate assemblages are consistent with the fluid inclusion...700–715uC, some of which also contained ‘accidental’ carbonate mineral inclusions. The high Cl-content of apatite...hydromagmatic theory which involves a late-stage chloride-carbonate fluid percolating upwards, dissolving PGE and |  | | Journal (article/letter/editorial) | | contain no open cavities, hence quartz and carbonate mineralized veins, typical for orogenic gold deposits in...hydrothermal veins. The gold mineralization of the vein type is rare in the region: quartz– carbonate veins are...quartz–dolomite–barite veins contain gold in the Pahtavaara, and quartz veins were mined for gold in...consists of two linear stockworks of quartz–carbonate veins and veinlets at the tectonized contacts of...with numerous pegmatites and pegmatitic granite veins and dolerite dykes [28], (2) in skarnoids at the |  | | Report (issue) | | (fig. 1). The unconformitytype deposits occur as veins, breccia matrix, and disseminations in metasedimentary...selected samples (table 1). Uranium distribution and veins are also described. Rock types The rocks in T129V...sandstone has interstitial chlorite and crosscutting veins of chlorite and hematite. 130° E 140° E I I I...C/C^^^J C CS CM MC ^ ^ ^^^A J^,MC,CMS.AJ 1 * = carbonate A = breccia oo = psuedomorphs after garnet = graphite...to fine-grained sandstone; hematite and chlorite veins 35 Formation silicified, medium- to fine-grained |  | Kříbek, Bohdan, Žák, Karel, Dobeš, Petr, Leichmann, Jaromír, Pudilová, Marta, René, Miloš, Scharm, Bohdan, Scharmová, Marta, Hájek, Antonín, Holeczy, Daniel, Hein, Ulrich F., Lehmann, Bernd (2009) The Rožná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan hydrothermal mineralization. Mineralium Deposita, 44 (1) 99-128 doi:10.1007/s00126-008-0188-0 | Journal (article/letter/editorial) | | quartz-sulfide and carbonate-sulfide mineralization, (2) uranium, and (3) post-uranium quartz-carbonate-sulfide...K–Ar ages on illite from post-uranium quartz-carbonate-sulfide mineralization range from 233.7±4.7 to...fault zones and numerous separate pinnate carbonate veins can be interpreted as synthetic Riedel shear...SW–NE-striking fault zones that host post-uranium carbonate-quartz-sulfide mineralization. a Ore bodies...longitudinal faults, (2) uraninite>coffinite ore in carbonate veins, (3) disseminated coffinite>uraninite ore in |  | | Book | | . . . . . . . . . . . . . . . . . . . Thorium Veins . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . Siliceous Pitchblende-SuIBde Veins . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . Uraniferous Antimony Veins . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . Thorite Veins and Breccia Pipes . . . . . . . . . . . . . . . ..... . . . . . . . . . . . Alum Shale, Sweden and Norway . . . . . . . . . . . . . . . . . . . . . . . |  | Leach, D. L., Hofstra, A. H., Church, S. E., Snee, L. W., Vaughn, R. B., Zartman, R. E. (1998) Evidence for Proterozoic and Late Cretaceous-early Tertiary ore-forming events in the Coeur d'Alene District, Idaho and Montana. Economic Geology, 93 (3) 347-359 doi:10.2113/gsecongeo.93.3.347 | Journal (article/letter/editorial) | | the Proterozoic (1.0 Ca), whereasthe silver-tich veins(e.g., Silverbentmines),antimonyveins(e.g., U.S....regionalmetamorphism associated with Cretations of veins are at the western end of the Lewis and Clark ceous...1972;Harrison et al.,1974; beingat the west-northwest veins may be either zinc rich (e.g.,"Bluebird" veinsin...fromthetwoveintypes,existwherethe 112' lead- and zinc-rich veins intersect. CANADA UNITED STATES Approximatelimit...Thepostulated genetic association between Coeur d'Alene veins and the Gem stocks is based MONTANA onreported |  | | Book | | Haut-Rhin . . . . . . 6.4.2 Pegmatitic and Hydrothermal Veins in South and Central Vosges .. 6.5 Western Alps.... . . . . . . . . . . . . . . . . . . . . 21.5 Norway . . . . . . . . . . . . . . . . . . . . . . . ...and minimum dimensions/thickness of ore layers or veins) for reserve/resource calculations are not always...Most deposits now occur as variably fragmented veins in fractured polymetamorphic series and Hercynian...Vein-Type Uranium Deposits Uraninite-pitchblende veins of early Middle Proterozoic age (ca. 1 770–1 730 |  | Lebedev, V. I., Borovikov, A. A., Gushchina, L. V., Shabalin, S. I. (2019) Physicochemical Modeling of Hydrothermal Mineralization Processes at Ni–Co–As (±U–Ag), Co–S–As (±Au–W), and Cu–Co–As (±Sb–Ag) Deposits. Geology of Ore Deposits, 61 (3) 225-255 doi:10.1134/s107570151903005x | Journal (article/letter/editorial) | | methods); Co arsenide veins in Abakan magnetite skarns and Cu–Co fahlore veins of Kharadzhul’ and Butrakhty...age of dolerites (P2–T1) overprinted by cobalt veins. The Late Mesozoic stage (J3–К1) of Co mineralization...Ag–Bi–Co–As veins (368–383 Ma) (250–195 Ma) Abakan Со–As veins (409 Ma) Bai-Taiga Co–As–U veins (242–282...studies of sericite from arsenide veins of (a) Abakan and Cu–Co veins of (b) Kharadzhul and Butrakhta deposits...represented by multistage quartz–carbonate (sometimes with barite) veins composed mainly of Co, Ni, and |  | | Report (issue) | | NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORWAY OMAN PAKISTAN PALAU PANAMA PAPUA NEW GUINEA PARAGUAY...some deposits, such as those associated with carbonate rocks which have yet to described or included........................................... 329 Carbonate deposits .......................................migmatitic rocks (Nipissing Lake, Canada); (c) Veins in various rock types (Radium Hill (Australia);...Unconformity-related; Sandstone; Quartz-pebble conglomerate; Veins; Breccia complex; Intrusive; Phosphorite; Collapse |  | | Journal (article/letter/editorial) | | predominant high-temperature coffinite and subordinate brannerite and uraninite. The homogenization temperature...rich in oil, gas, and coal. The Early Paleozoic carbonate and Late Paleozoic carbonaceous parental rocks...metamorphic rocks to Early Paleozoic platform carbonate rocks, Late Paleozoic marine and continental carbonaceous...uranium mineral in them is coffinite; seldom, brannerite and uraninite associated with pyrite also occur...sandstones of the deposit are composed of albite, carbonate, chlorite, epidote, pyrite, muscovite, etc., which |  | | Journal (article/letter/editorial) | | of mineralization are hosted in cataclasite and veins that formed at ca. 2.29 Ga from 300°C fluids derived...resulted in secondary uranium minerals and late veins. Multiple stages of deformation and fluid overprinting...the Saint Louis fault (Sassano et al., 1972). The veins contain pitchblende, quartz, calcite, chlorite,...portions of the albitized granite and consists of veins and patches of pitchblende and uranophane near the...of an intermittent series of pitchblendefilled veins striking northeast across an interbedded series |  | | Journal (article/letter/editorial) | | the 1980s. Since then, the Bidjovagge deposit in Norway and the Saattopora deposit in Finland have been...studies of Proterozoic deposits, namely Bidjovagge in Norway (Ettner et al, 1994) and Telfer in Australia (Goellnicht...with unit 5. Intercalations of black schist, carbonate rocks and magnetite-sulfide ores are common in...irregular veinlets or networks. Coarse-grained carbonate veins (Fig. 4) are common, both in ores and in surrounding...surrounding altered rocks. Quartz veins have a similar occurrence, but are found mainly as irregular masses |
|
