 | | Journal (article/letter/editorial) | | Au- and Porphyry Cu-Style Mineralization, Navilawa Caldera, Fiji Nathan A. Forsythe 1 , Paul G. Spry 1,...Abstract: The Navilawa caldera is the remnant of a shoshonitic volcano on Viti Levu, Fiji, and sits adjacent...low-sulfidation Tuvatu epithermal Au–Te deposit. The caldera occurs along the Viti Levu lineament, approximately...from the Tuvatu Au–Te deposit towards the central, northern, and eastern parts of the Navilawa caldera...Au–(Te) vein systems, including the Banana Creek and Tuvatu North prospects. Chalcopyrite, and minor bornite |  | | Journal (article/letter/editorial) | | Inclusion Characteristics of the Tuvatu Gold-Silver Telluride Deposit, Fiji: Comparisons with the Emperor...State University, Ames, Iowa 50011 Abstract The Tuvatu gold-silver telluride deposit with reserves of...of 13 t Au is the second largest gold deposit in Fiji after the large Emperor gold telluride deposit (production...occur along the >250-km east-northeast–trending Viti Levu lineament. They are spatially associated with...along the margins of the Tavua volcano whereas the Tuvatu deposit may occur adjacent to an eroded shoshonite |  | | Journal (article/letter/editorial) | | gold–vanadium–tellurium association at the Tuvatu gold–silver prospect, Fiji: conditions of ore deposition P. G...Springer-Verlag 2006 Editorial handling: N. Cook Summary The Tuvatu gold–telluride prospect is one of several epithermal...along the >250 km northeast trending Viti Levu lineament, Fiji, which are genetically associated with...formation of the telluride-native gold stage at Tuvatu (250 C, Au ¼ 1 ppb, Te ¼ 1 ppb, S ¼ 0.001...that these minerals were deposited together at Tuvatu and likely explain the common coexistence of roscoelite |  | Orovan, Evan A., Cooke, David R., Harris, Anthony C., Ackerman, Ben, Lawlis, Erin (2018) Geology and Isotope Geochemistry of the Wainaulo Cu-Au Porphyry Deposit, Namosi District, Fiji. Economic Geology, 113 (1) 133-161 doi:10.5382/econgeo.2018.4546 | Journal (article/letter/editorial) | | Wainaulo Cu-Au Porphyry Deposit, Namosi District, Fiji* Evan A. Orovan,1,2,† David R. Cooke,1,2 Anthony...Wainaulo Cu-Au porphyry deposit of the Namosi district, Fiji, hosts distinct styles of alteration and mineralization...paleogeographic setting and may explain the abundance of albite- and epidote-rich alteration assemblages at Wainaulo...part of the Namosi district in southeast Viti Levu Island, Fiji. The district is confined within the Special...district is dominated by albite-rich assemblages. In other porphyry systems, albite-bearing alteration assemblages |  | Ertl, Andreas, Rakovan, John, Hughes, John M., Bernhardt, Heinz-Jürgen, Rossman, George R. (2019) Vanadium-rich Muscovite from Austria: Crystal Structure, Chemical Analysis, and Spectroscopic Investigations. The Canadian Mineralogist, 57 (3) 383-389 doi:10.3749/canmin.1900020 | Journal (article/letter/editorial) | | (Mariposa County, California, USA). In the Janggun mine area, Republic of Korea, V-bearing muscovite (5...gold-vanadium-tellurium association at the Tuvatu gold-silver prospect, Fiji, Spry & Scherbarth (2006) showed that...that the most common mica at Tuvatu is roscoelite rather than V-bearing muscovite. In their analyses...of this unit. The quartz-feldspar dikes contain albite, oligoclase, orthoclase, quartz, muscovite (V-bearing...cleavage fragment of roscoelite from the Stuckslager mine, Coloma, El Dorado County, California (type locality |  | Fornadel, Andrew P., Voudouris, Panagiotis Ch., Spry, Paul G., Melfos, Vasilios (2012) Mineralogical, stable isotope, and fluid inclusion studies of spatially related porphyry Cu and epithermal Au-Te mineralization, Fakos Peninsula, Limnos Island, Greece. Mineralogy and Petrology, 105 (1) 85-111 doi:10.1007/s00710-012-0196-8 | Journal (article/letter/editorial) | | with An32 cores and An43 rims, along with minor albite) and Kfeldspar with subordinate quartz, phlogopitic...(Voudouris, 2006) Dikes (this study) Dacite 6 Tuvatu monzonites (Scherbarth and Spry, 2006) Andesite...associated with porphyry-epithermal mineralization at Tuvatu (Scherbarth and Spry 2006), Lepanto-Far Southeast...mineralization. 2 - Transitional Propylitic (chorite, albite, epidote, calcite, sericite, pyrite, actinolite...tuffs (Fig. 3b). It is characterized by chlorite, albite, epidote, calcite, sericite, pyrite, actinolite |  | | Book (edition) | | . . . . . . . 6.3.2 Emperor Gold Deposit, Viti Levu, Fiji. . . . 6.3.3 Dinkidi Copper-Gold Deposit, Didipio...New Guinea, 13 Roumania, 14 Mariana Islands, 15 Fiji, 16 Kuril Islands, 17 Vanuatu, 18 Sunda Arc, 19.... . Samples from oceanic arcs (Lihir Island, Viti Levu, Goonumbla) plotted on the (TiO2/10)(Lax10)-(P2O5/10)...Geological overview of the Emperor gold deposit, Fiji. Modified after Setterfield et al. (1991) . . ....Australia, at the main development level of the mine. The position of the Whenan Shaft is shown. Note |  | | Journal (article/letter/editorial) | | these are: quartz-carbonate veins (Stage I), quartz-albite-carbonate-pyrite veins and sericitepyrite seams...grains are strongly associated with pyrite. Intense albite and hematite alteration surround the mineralized...of gold precipitated in these altered rocks. The albite and hematite alterations are synchronous and derived...Stage I, quartz-carbonate veins; Stage II, quartz-albite-carbonate-pyrite veins and sericite-pyrite seams;...also contains variable amounts of hematite and albite in association with hydrothermal carbonate and |  | | Book | | metagabbro consisting mainly of plagioclase feldspar (albite), granite pegmatites and in apatite and quartz...prismatic rutile crystal about 25 mm tall, with minor albite, recovered from corroded pegmatite at Zegi Mountain...occurs with quartz crystals at the Ellenville Lead mine, granite at Topsham, Maine. Figure 20. A thumbnail-sized...Mountain, Georgia, and at the Champion andalusite mine, Mono County, California (Cook 1985, Cook 2003а;...rutile crystal about 3 cm tall, from the Onganja mine, Namibia. RJL331 I Many of the finest anatase and |  | Tombros, S. F., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2008) Later stages of evolution of an epithermal system: Au–Ag mineralizations at Apigania Bay, Tinos Island, Cyclades, Hellas, Greece. Mineralogy and Petrology, 94 (3) 175-194 doi:10.1007/s00710-008-0019-0 | Journal (article/letter/editorial) | | Zones of epidote–chlorite–calcite and sericite–albite alteration are associated with precious metal-bearing...marbles, whereas the outer zone is composed of albite-epidote hornfelses (Stolz et al. 1997). NE- and...ctinolite–epidote–biotite–titanite– tourmaline–albite are mineralized with pyrite, Co-bearing pentlandite...milky quartz (≈50 vol. %), epidote (≈30 vol.%), albite, sericite (both 10 vol.%), ankerite (≈5 vol.%)...with finegrained milky quartz. They also contain albite, sericite, ankerite, pyrite and sphalerite. Chlorite |  | | Book (edition) | | . . . . . . . 6.3.2 Emperor Gold Deposit, Viti Levu, Fiji . . . . . . . . 6.3.3 Dinkidi Copper-Gold Deposit...resources of 200,000 oz. gold both at Kanowna Belle Gold Mine, Australia, and at the Jabal Shayban Gold Project...New Guinea, 13 Roumania, 14 Mariana Islands, 15 Fiji, 16 Kuril Islands, 17 Vanuatu, 18 Sunda Arc, 19...Geological overview of the Emperor gold deposit, Fiji. Modified after Setterfield et al. (1991) . . . ....e mineralization from the Emperor gold deposit, Fiji (mineral collection of TU Bergakademie Freiberg) |  | | Journal (article/letter/editorial) | | porphyry, Philippines, and the Emperor deposit, Fiji (e.g., Richards, 1995; Harris et al., 2013; Fig...Emperor Pliocene Port Moresby Darwin Suva -20° FIJI Brisbane Macquarie Arc Cadia, Northparkes, Lake...assemblages can be recognized (Wilson et al., 2003). Albite-rich sodic alteration can characterize the shallow...of the Northeast zone breccia body, Mount Polley mine, British Columbia: Unpublished M.Sc. thesis, Vancouver...Richards, J.P., and Kerrich, R., 1993, Porgera cold mine, Papua New Guinea. Magmatic hydrothermal to epithermal |  | Farhan, Muhammad, Arif, Mohammad, Ying, Ye, Chen, Xuegang, Garbe-Schönberg, Dieter, Li, Chun-Feng, Hussain, Zahid, Ullah, Zaheen, Zhang, Pingping, Khan, Asad (2021) Fluid source, element mobility and physicochemical conditions of porphyry-style hydrothermal alteration-mineralization at Mirkhani, Southern Chitral, Pakistan. Ore Geology Reviews, 135. 104222pp. doi:10.1016/j.oregeorev.2021.104222 | Journal (article/letter/editorial) | | and ore mineral assemblage (epidote + sericite + albite + pyrite) implies a mineralization temperature...replaced feldspar (plane polarized light), quartz and albite grains are also visible; (I) the same as (H) but...4.87 0.00 – 0.00 – – 14.68 Abbreviations: Ab = Albite; Amp = Amphibole; Chl = Chlorite, Epi = Epidote;...(pycnochlorite-diabanite), sericite (muscovite), albite (Ab98Or1An0.5), quartz, titanite, and pyrite (Fig...5. titanite occurs less commonly. Sericite and albite, formed by partial or complete transformation of |  | | Journal (article/letter/editorial) | | characterized by veins with ankerite-sericite ± albite-pyrite-pyrrhotite-gold selvages. Hydrothermal pyrite...contrast, gold in the Mt. Charlotte underground mine is found mostly as “visible” gold grains, whereas...lite-pyrite vein network with ankeritesericite-albite-pyrite ± pyrrhotite-gold haloes. The presence of...Mt. Percy open pits and Hidden Secret underground mine (Clout et al. 1990; Mueller and Muhling 2013). Fimiston...alteration overprints the regional actinolite-zoisite-albite metamorphic assemblage in the Golden Mile Dolerite |  | Tombros, S., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2007) The Genesis of Epithermal Au-Ag-Te Mineralization, Panormos Bay, Tinos Island, Cyclades, Greece. Economic Geology, 102 (7) 1269-1294 doi:10.2113/gsecongeo.102.7.1269 | Journal (article/letter/editorial) | | identified. Zones of chlorite, talc, and muscovite-albite-tourmaline alteration, up to 50 cm wide, are associated...skarn and marbles, and an outer zone composed of albite-epidote hornfels (Stolz et al., 1997). The Tinos...with thin bands of quartzites and garnet-epidote-albite-chlorite FIG. 2. Location and geologic map of...vol %), brucite (<5 vol %), rare muscovite and albite (both <5 vol %) and abundant dedolomitized marble...sites. Also shown is the location of the quarry. albite, and coarse-grained calcite (type B2), fine-grained |  | Kubač, Alexander, Chovan, Martin, Koděra, Peter, Kyle, J. Richard, Žitňan, Peter, Lexa, Jaroslav, Vojtko, Rastislav (2018) Mineralogy of the epithermal precious and base metal deposit Banská Hodruša at the Rozália Mine (Slovakia) Mineralogy and Petrology, 112 (5) 705-731 doi:10.1007/s00710-018-0558-y | Journal (article/letter/editorial) | | base metal deposit Banská Hodruša at the Rozália Mine (Slovakia) Alexander Kubač1 Rastislav Vojtko6 ·...Computed tomography · Low angle shear zone · Rozália Mine · Hodruša-Hámre · Štiavnica stratovolcano Introduction...base metal deposit of Banská Hodruša at the Rozália Mine has several unique characteristics. The major distinct...district was discovered close to the historic Rozália Mine that produced Pb-Zn-Cu ore from the resurgent horst-related...Banská, Ltd. at deep levels of the mine and is the only active ore mine in Slovakia. The mineralogy and |  | | Journal (article/letter/editorial) | | located next to the main entrance of the old Bruneau mine. The area was mined for Cu, Au, and Ag in the late...Formation (old Cu-Au-Ag Bruneau mine) Bruneau Formation (near the old Bruneau mine) Bruneau Formation Bruneau... epidote, albite, and muscovite in this example). Mineral abbreviations stand for: albite (Ab), apatite... X X X X X a Mineral abbreviations stand for: albite (Ab), amphibole (Amp), biotite (Bt), carbonate...of greenschist facies minerals, i.e., epidote, albite, muscovite, and chlorite (Fig. 2a). Accessory 6 |  | Nikolaev, Yu. N., Prokof’ev, V. Yu., Apletalin, A. V., Vlasov, E. A., Baksheev, I. A., Kal’ko, I. A., Komarova, Ya. S. (2013) Gold-telluride mineralization of the Western Chukchi Peninsula, Russia: Mineralogy, geochemistry, and formation conditions. Geology of Ore Deposits, 55 (2) 96-124 doi:10.1134/s1075701513020049 | Journal (article/letter/editorial) | | while epidote, hydromica, sericite, chlorite, and albite are minor constituents. The content of ore minerals...Sulfidation Epithermal Emperor Gold Deposit, Vatukoula, Fiji, Mineral. Petrol., 2003, vol. 79, pp. 285–307. Prokof’ev...Vanadium Silicates and Oxides in the Tuvatu Gold–Silver Telluride Deposit, Fiji, Mineral. Petrol., 2006, vol |  | | Journal (article/letter/editorial) | | Actinolite Aegerine Aeschynite Akaganeite Alabandite Albite (Na end member plagioclase) Alexandrite Allanite-(Ce)...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...Porphyritic igneous rock containing albite phenocrysts in a groundmass of albite with muscovite, garnet, apatite...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized | | | Journal (article/letter/editorial) | | Actinolite Aegerine Aeschynite Akaganeite Alabandite Albite (Na end member plagioclase) Alexandrite Allanite-(Ce)...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...Porphyritic igneous rock containing albite phenocrysts in a groundmass of albite with muscovite, garnet, apatite...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized |  | | Report (issue) | | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |  | | Report (volume) | | Japan (Moritani 1976; Hariya & Tatsumi 1981) Viti Levu, Fiji (Colley & Walsh 1987) Late OligoceneMid-Miocene...Hungary, Philipsburg and Butte, USA, and Janggun mine, South Korea (for detailed discussion see Roy 1981)...are well-developed in Bishop, Glosam, and Lohatlha mine areas and are composed dominantly of bixbyite and...1987. Genesis of Fe-Mn deposits of southwest Viti Levu, Fiji. Transactions Institution of Mining and Metallurgy...Glosam manganese mines and the Beeshoek Iron ore mine of the Postamasburg area. In: Ar~q4AEUSSER, C. R |
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