 | Zierenberg, Robert A., Koski, Randolph A., Morton, Janet L., Bouse, Robin M. (1993) Genesis of massive sulfide deposits on a sediment-covered spreading center, Escanaba Trough, southern Gorda Ridge. Economic Geology, 88 (8) 2069-2098 doi:10.2113/gsecongeo.88.8.2069 | Journal (article/letter/editorial) | | averagingmorethan1 g/t Au. Massivesulfidefromthe Escanaba troughis enrichedin groupIV, V, andVI elementsrelativeto...ZIERENBERG ET AL. die Valley (northernJuande Fuca Ridge),and the cino fracture zone on the south and...approxiaboutthe tectonicsettingsand the natureof ore- Escanaba formingprocesses inancientpalcorift,sediment-dom-...inantenvironments. Data fromthe Escanaba trough, hough,1980; Wilson,1989). The Escanaba consistent with the slow-spreading...intersection Escanabatrough, the sediment-covered southern- with the Mendocino fracture zone. Southof 41ø17'N |  | | Journal (article/letter/editorial) | | Pyrrhotite-Rich Massive Sulfide Deposits, Escanaba Trough, Southern Gorda Ridge TUOMO O. TÖRMÄNEN* Institute of...sediment-covered floor of the Escanaba trough, the slow-spreading, southernmost segment of Gorda Ridge. These concentrations...chimneys. The low solubility of Au as a bisulfide complex and the absence of fluid mixing during this stage...that gold was effectively scavenged from the Escanaba trough vent fluids by coexisting droplets of liquid...of hydrothermal fluids with sediment in the Escanaba trough. In contrast, the absence of the Au-Bi association |  | | Report (volume) | | massive sulfide mound in the NESCA area in the Escanaba Trough , offshore of northern California, depth 3232...Hydrothermal, and Biologic Studies at Escanaba Trough, Gorda Ridge, Offshore Northern California JANET...hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore northern California I Janet...references. 1. Geology-Escanaba Trough. 2. Hydrothermal vents-Escanaba Trough. 3. Hydrothermal vent faunaEscanaba...faunaEscanaba Trough. 4. Escanaba Trough. I. Morton, Janet L. II. Zierenberg, Robert A. III. Reiss, Carol |  | | Report (issue) | | SULFIDE SAMPLES DREDGED IN 1986 FROM ESCANABA TROUGH, SOUTHERN GORDA RIDGE Laura M. Benninger1 Randolph A...dredged in 1986 from Escanaba Trough, the sediment-covered southern end of Gorda Ridge (Figure 1). The dredge...characteristics of two locations in Escanaba Trough were investigated: the southern or SESCA site at 40°45'N latitude...seismic-reflection and photographic survey in Escanaba Trough (Morton et al., 1987b). Volcanic edifices that...gravity core and water column sampling in Escanaba Trough, are reported in Morton et al., 1987b. High |  | | Report (issue) | | Mapping and Research: Working Together in the Pacific EEZ U.S. GEOLOGICAL SURVEY CIRCULAR 1092 AVAILABILITY...Mapping and Research: Working Together in the Pacific EEZ MILLINGTON LOCKWOOD, National Oceanic and Atmospheric...Mapping and Research : working together in the Pacific EEZ I Millington Lockwood and Bonnie A. McGregor...Includes bibliographical references. 1. Ocean bottom-Pacific Coast (U.S.)-Maps-Congresses. I. Lockwood...Program-Challenges and Choices John Carey 9 Mapping the Ocean Floor from the DMA-Defense Hydrographic Initiative |  | Evrard, Catherine, Fouquet, Yves, Moëlo, Yves, Rinnert, Emmanuel, Etoubleau, Joël, Langlade, Jessica Aimée (2015) Tin concentration in hydrothermal sulphides related to ultramafic rocks along the Mid-Atlantic Ridge: a mineralogical study. European Journal of Mineralogy, 27 (5) 627-638 doi:10.1127/ejm/2015/0027-2472 | Journal (article/letter/editorial) | | related to ultramafic rocks along the Mid-Atlantic Ridge: a mineralogical study CATHERINE EVRARD1,2,*, YVES...JESSICA AIMÉE LANGLADE5 1 IFREMER, LGM, Centre de Brest, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané...Université de Nantes, 2 rue de la Houssinière, 44322 Nantes cedex 3, France 4 IFREMER, LDCM, Centre de Brest...Brest, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France 5 CNRS UMS 3113, IUEM, rue Dumont d’Urville...polymetallic sulphides collected along the Mid-Atlantic Ridge and hosted in ultramafic rocks (Ashadze, Logatchev |  | | Book | | the Japanese Islands as well as other western Pacific regions. vi Preface In Chapter 2, a geochemical...deposits) are compared with those of midoceanic ridge deposits and Kuroko deposits. In Chapter 3, hydrothermal...estimated. These fluxes are compared with midoceanic ridge hydrothermal fluxes. Particularly, hydrothermal...relationships in Kuroko and vein-type deposits in southern Hokkaido, Japan ....................... 1S.4....iron and zinc partitioning between coexisting stannite and sphalerite and coexisting stannoidite and |  | Slack, John F., Neymark, Leonid A., Moscati, Richard J., Lowers, Heather A., Ransom, Paul W., Hauser, Robert L., Adams, David T. (2020) Origin of Tin Mineralization in the Sullivan Pb-Zn-Ag Deposit, British Columbia: Constraints from Textures, Geochemistry, and LA-ICP-MS U-Pb Geochronology of Cassiterite. Economic Geology, 115 (8). 1699-1724 doi:10.5382/econgeo.4761 | Journal (article/letter/editorial) | | to primary tin mineralization at ca. 1475 Ma, the East Kootenay orogeny at ca. 1370 to 1300 Ma, and the...cassiterite grains having U-Pb dates coeval with the East Kootenay and Grenvillian orogenies suggests that...250°C, tin transport was dominated by an SnCl3– complex at fO2 of about –40 and pH of <4.0, conditions...sediment-hosted sulfide deposits in the northeast Pacific Ocean suggests that siliciclastic marine basins that...Sullivan orebody is centered on a discordant vent complex that overlies a tholeiitic gabbro sill with accompanying |  | | Journal (article/letter/editorial) | | located in three main geological sectors, with the southern one containing most of the giant and supergiant...Toscano á G.R. AlmodoÂvar Departamento de GeologõÂ a, Universidad de Huelva, 21819 ± La RaÂbida, Huelva (Spain)...Peninsula, from Seville in Spain to the Atlantic Ocean, south of Lisbon, in Portugal (Fig. 1), making a...Almagrera S.A. (Cu-Pb-Zn-SAg); Riotinto by Minas de Riotinto, S.A.L. (Au-Ag); AznalcoÂllar-Los Frailes...by APIRSA-Boliden (Zn-CuPb-Ag); Tharsis by Minas de Tharsis (Pyrite) and Caledonia (Au-Ag). Apart from |  | Maslennikov, V.V., Maslennikova, S.P., Large, R.R., Danyushevsky, L.V., Herrington, R.J., Ayupova, N.R., Zaykov, V.V., Lein, A.Yu., Tseluyko, A.S., Melekestseva, I.Yu., Tessalina, S.G. (2017) Chimneys in Paleozoic massive sulfide mounds of the Urals VMS deposits: Mineral and trace element comparison with modern black, grey, white and clear smokers. Ore Geology Reviews, 85. 64-106 doi:10.1016/j.oregeorev.2016.09.012 | Journal (article/letter/editorial) | | Nakhimosvsky av., 36, Moscow f TE 117997 Russia John de Laeter Centre, Department of Imaging and Applied...associated with serpentinites of the Mid-Atlantic Ridge. The chimneys from the Buribay deposit are similar...to the black and clear smokers from the Okinawa Trough. Mineral assemblages are controlled by the combination...deposits. Original LA-ICP-MS data on smokers from the Pacific and Atlantic oceans are used for comparison with...dacite–rhiolite unit close to basalt basement of the East Magnitogorsk island arc, whereas Uzelga-1, Talgan |  | | Journal (article/letter/editorial) | | inset map showing simplified geology of the Hill End Trough (modified from Colquhoun et al. 1997; Meakin et...textures Æ Limestone Æ Lachlan Fold Belt Æ Hill End Trough Æ Australia Introduction Lewis Ponds is a polymetallic... located at the western margin of the Hill End Trough, 190 km northwest of Sydney (Fig. 1). Two stratabound...succession at the western margin of the Hill End Trough, eastern Lachlan Fold Belt (Fig. 1). The Lachlan...formation of rift basins, including the Hill End Trough (Scheibner 1998; Scheibner and Veevers 2000). Major |  | | Journal (article/letter/editorial) | | west. To the north, the skarn crops out. To the east, it is bordered by a later rhyolite (Fig. 1). The...at the top of the unit in the southern and the western sectors of the de- Fig. 4. Layered sphalerite...ore. On the modern basaltic seafloor of the Indian Ocean analogous sphaleritebearing jaspers have been described...Zn/Cd ratios for the jasper ores from the Indian Ocean are about 200 on average. The Zn/Cd ratios of secondary...pluton is required. The stratification of the skarn complex indicates a sedimentary supply of elements in general |  | Maslennikov, Valeriy V., Ayupova, Nuriya R., Safina, Nataliya P., Tseluyko, Aleksandr S., Melekestseva, Irina Yu., Large, Ross R., Herrington, Richard J., Kotlyarov, Vasiliy A., Blinov, Ivan A., Maslennikova, Svetlana P., Tessalina, Svetlana G. (2019) Mineralogical Features of Ore Diagenites in the Urals Massive Sulfide Deposits, Russia. Minerals, 9 (3) 150 doi:10.3390/min9030150 | Journal (article/letter/editorial) | | London SW7 5BD, UK; r.herrington@nhm.ac.uk John de Laeter Centre for Isotope Research, Curtin University...and Semenov-3 hydrothermal fields, Mid-Atlantic Ridge [24,25]. This work contributes to the emerging theory...ultramafic-hosted hydrothermal sulfide fields of the Atlantic Ocean [53] and is characterized by high Cu and low Zn...shale in a layered clastic sulfide member of the southern flank of the ore body, see Figure 8a. Authigenic...diagenites [73,78]. The barite-rich diagenites at the southern flank of the Saf’yanovskoe deposit [79] are intercalated |  | | Report (issue) | | where high-grade ores are hosted by a volcanic complex consisting of quartz latite domes in coeval lavas...copper, cobalt, and platinum-group metals . This east- looking view shows downtown Noril ' sk, smelters...platinumgroup-element resources? Examples from southern China and the Yukon, Canada, and implications...fluids, and altered sediment in Escanaba Trough, southern Gorda Ridge- Elements of a mature hydrothermal...Bank's role in stimulating minerals development - Juan Proaiio, Inter-American Development Bank Criteria |  | | Report (issue) | | of sediment-hosted massive sulfide in Escanaba trough, Gorda Ridge-by Robert A. Zierenberg, J.M. Edmond...of the White Mountains National Recreation Area, east-central Alaska-by Florence R. Weber, Thomas D. Light...sulfide deposits in pre-Tertiary island arc and ocean basin environments in Nevadaby Maureen G. Sherlock...setting of stratiform manganese deposits in the southern Basin and Range province-by Randolph A. Koski...batholith and associated polymetallic deposits, southern China-by Lawrence W. Snee and Wang Zhifen 53. |  | Almodóvar, G. R., Sáez, R., Pons, J. M., Maestre, A., Toscano, M., Pascual, E. (1997) Geology and genesis of the Aznalcóllar massive sulphide deposits, Iberian Pyrite Belt, Spain. Mineralium Deposita, 33 (1) 111-136 doi:10.1007/s001260050136 | Journal (article/letter/editorial) | | edge of the Iberian Pyrite Belt (IPB) containing complex geologic features that may help to understand the...Volcano-Sedimentary Complex (VSC) and Culm Group. Two sequences can be distinguished within the VSC. The Southern sequence...SaÂez á M. Toscano, á E. Pascual Dpto. de GeologõÂ a, Universidad de Huelva, 21819 La RaÂbida (Huelva), Spain...took place in shallow, subsurface reservoirs giving rise to a compositional range of rocks that covers the...rocks in the IPB. The Hercynian orogeny produced a complex structural evolution with a major, ductile deformation |  | Maslennikov, V. V., Maslennikova, S. P., Large, R. R., Danyushevsky, L. V., Herrington, R. J., Stanley, C. J. (2013) Tellurium-bearing minerals in zoned sulfide chimneys from Cu-Zn massive sulfide deposits of the Urals, Russia. Mineralogy and Petrology, 107 (1) 67-99 doi:10.1007/s00710-012-0230-x | Journal (article/letter/editorial) | | hessite and unresolved Bi-telluride, enargite, stannite, native gold, Pb-sulfosalts Pyrite, chalcopyrite...was found in the sulfide breccia layer on the southern flank of the massive sulfide lens, measuring some...analyses. The layer of neutral [Ag2TeS3] may form complex chalcogenide compounds with unique structural elements...in the Snake Pit Sulfide Deposit (Mid Atlantic Ridge at 23 ºN). Econ Geol 88:2018–2036 Franklin JM, Gibson...volcanogenic massive sulfide deposits from the Southern Urals of Russia: tectonic setting, structure and |  | | Journal (article/letter/editorial) | | Logatchev and Rainbow fields at the Mid-Atlantic Ridge, where venting of high-T–low-pH hydrothermal fluid...on a late Archaean gneissic–granitoid basement, east of the suture between the Archaean Karelian Craton...80 Ga Palaeoproterozoic Svecofennian island arc complex (e.g., Gaál and Gorbatschev, 1987; Korsman et al...assemblage lies within an allochthonous nappe complex that was emplaced onto the Karelian Craton margin...thrust from the west onto the Archaean basement complex. The Kaleva assemblage in the Outokumpu area consists |  | Voudouris, P., Melfos, V., Spry, P. G., Bonsall, T. A., Tarkian, M., Solomos, Ch. (2008) Carbonate-replacement Pb–Zn–Ag ± Au mineralization in the Kamariza area, Lavrion, Greece: Mineralogy and thermochemical conditions of formation. Mineralogy and Petrology, 94 (1) 85-106 doi:10.1007/s00710-008-0007-4 | Journal (article/letter/editorial) | | is part of the AtticCycladic metamorphic core complex, which contains baseand precious-metal skarn, intrusion-related...to 8.3 Ma for the emplacement of the magmatic complex. Fission-track studies of apatite from the pluton...exhumed Attic-Cycladic Crystalline metamorphic core complex. Local geology In the Kamariza area (Fig. 1),...(Photiades and Carras 2001, Photiades and Saccani 2006). East–west trending mafic dikes dip towards the north...Skarpelis et al. 2008; Voudouris et al. 2007). The east-west orientation of the porphyritic dikes and the |  | | Book | | Deposits. . . .. 144 Vein Deposits of the San Juan Volcanic Field ...................................Valley Ophiolite Complex, Pakistan .............. The Chromite Deposits of the Vourinos Complex, Greece .....Igneous Complex, South Africa ........... 6.3.2 The Platinum Deposits of the Stillwater Complex, Montana...inherited from transform offsets at a spreading ridge system. Finally, Dewey draws attention to the fact...for arc magma generation have grown increasingly complex since the inception of plate tectonic concepts |  | | Book | | Geological Survey of Western Australia 100 Plain St. East Perth WA 6004 Australia franco.pirajno@doir.wa.gov...springer.com To my wife Foreword The Earth is a complex and dynamic system that over 4.5 billion years...work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific, China, Greenland...(GSWA) typed most of the tables, especially the complex ones. Jean Johnston and Chris Hocking performed.... . . . . . . . . . . . . . 1.4.8 The Role of Complex Ions and Ligands in Hydrothermal Fluids . . . |  | | Journal (issue) | | J. M. CORREIA NEVES, Instituto de Geociencias, Universidale Federal de Minas Gerais. 30.161 Belo Horizonte...University. Pakistan: PROF. L. A. A. BARROS, Lab. de Mineralogia y Petrologia, Av. Rovisco Pais. Lisboa...Lisboa 1. Portugal: DR. J. G. GUINEA. Instituto de Geologia de Madrid, Jose Gutierrez Abascal 2, Madrid 6...0 M / 0 2 1 3 . 0480, 0 5 1 2 . 0514 Angelis. M . de, 9 0 M / 0 5 7 9 Angevine„ C. L.. 9 0 M / 0 9 8 9.../ I 198 Anochea, E.. 90M/0631 Anta, R. C a i r o de. 90AI/0111 A n t h o n y. E. Y. , 9 0 M / 0 3 2 2 |  | | Book (edition) | | ..................................... 868 IV.2. East Kalimantan Cenozoic Basins, (bio-)stratigraphy ........................... 1363 VII.1. Banda Sea, East Banda Arc (incl. Tanimbar, Kai, Aru) ........................................... 2127 IX.10. SW Pacific (incl. New Caledonia)............................................. 2140 IX.11. Papua New Guinea (East New Guinea main island) .................................................. 2341 IX.14. NE Indian Ocean ............................................... |  | | Report (volume) | | Research and Consulting & Department of Earth and Ocean Sciences, University of British Columbia, Vancouver...sulfosalts, S2– functions as a component of a complex anion (e.g. AsS3 in tennantite, Cu12As4S13). In...that the thiosulfate group would be a prominent complex in aqueous solutions at a range of pH (and Eh)...symmetry operators to form the structural unit, a complex (typically anionic) polyhedral array (not necessarily...of the structural classification suggested by Lima-de-Faria (1994) and recommended by the Subcommittee |  | | Report (volume) | | S. Grew University of Maine L. M. Anovits Oak Ridge National Laboratory Series Editor: Paul H. Ribbe...Grew (University of Maine) and Larry Anovitz (Oak Ridge National Laboratory), who supervised 19 contributions...point 4000°C. Crystalline boron is exceedingly complex, and the number of polymorphs could be "a round...2002 iv Lawrence M. Anovitz Oak Ridge National Laboratory Oak Ridge, Tennessee B O R O N : MINERALOGY...s.l.) Magnesiodumortierite Alkali-free dravite Complex tourmalines Dravite Uvite Elbaite Highly aluminous |
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