| Gilgen, S. A., Diamond, L. W., Mercolli, I., Al-Tobi, K., Maidment, D. W., Close, R., Al-Towaya, A. (2014) Volcanostratigraphic Controls on the Occurrence of Massive Sulfide Deposits in the Semail Ophiolite, Oman. Economic Geology, 109 (6) 1585-1610 doi:10.2113/econgeo.109.6.1585 | Journal (article/letter/editorial) | Semail Ophiolite, Oman Samuel A. Gilgen,1,ā Larryn W. Diamond,1 Ivan Mercolli,1 Khalid Al-Tobi,2 David W...W. Maidment,3,* Robert Close,4 and Ahmed Al-Towaya5 1 Institute 2 Earth of Geological Sciences, University...Sultanate of Oman 3 Mawarid 4 Gentor Mining, P.O. Box 476, PC 321 Sohar, Sultanate of Oman Resources...Athaibah, Sultanate of Oman 5 Directorate General of Minerals, Muscat, Sultanate of Oman Abstract The Semail...Semail ophiolite in Oman is capped by up to 2 km of basaltic-andesitic lavas that host copper-dominant | | | Report (issue) | DENVER MINERAL DEPOSITS AND GEOLOGY OF NORTHERN OMAN AS OF 1974 By R. G. Coleman and E. H. Bailey U....Minerals, Ministry of Development, Sultanate of Oman 1981 l...Minerals, Ministry of Development, Muscat, Sultanate of Oman. CONTENTS Page Summary ā¢..ā¢... Introduction. Staff...(4) Fizh .... (5) Khabiyat .. (6) Bayda .. (7) Aarja ā¢. (8) Ghayth. (9) Lasail. (10) Jabah. (11) Rakah...ofhot springs. (42) Gallah .. (43) Rustag .. (44) Al Khadra. Cold springs. Recommendations ......... | | | Journal (article/letter/editorial) | com/loi/tigr20 Copper Mineralizations in the Ophiolite of Oman: The Genesis and Emplacement Relationship with the...(1997) Copper Mineralizations in the Ophiolite of Oman: The Genesis and Emplacement Relationship with the...reserved. Copper Mineralizations in the Ophiolite of Oman: The Genesis and Emplacement Relationship with the...mineralizations (mostly Fe-Cu sulfides) in the ophiolite of Oman appears to be closely related to successive orogenic...peridotite, along the axial trend of the mountains of Oman, resulted from pressure exerted during the counterclockwise | | | Journal (article/letter/editorial) | Magmatic and Ore-Forming Hydrothermal Processesin the Oman Ophiolite T. ALABASTEB AND J. A. PEARCE* Departmentof...KeynesMK7 6AA, England Abstract The Semailophioliteof Oman containsnumerousgossans, minor sulfideshowings,and... thoughlessdetailed, studiesof other depositsin Oman indicatethat: only very smallmounddepositslie within...usefulconstraiutsfor future mineral explorationprogramsin the Oman and perhapsalsoin other ophiolitecomplexesand on...acceptedthat subaxisand off-axis 21 Ćø N (Ballardet al., 1981) and the Galapagosrift magma chambersprovide | | | Report (chapter) | origin of large plagiogranite bodies in northern Oman, and their relationship to the overlying massive...well-preserved and well-exposed Semail ophiolite of northern Oman hosts several large plagiogranite intrusions in...and adjacent to the major ore bodies in northern Oman. The ubiquitous presence of metamorphic actinolitic...composite intrusions. The Semail ophiolite in northern Oman is the largest, best-preserved and best-exposed...& Hopson 1981; Alabaster et al. 1982; Lippard et al. 1986; Nicolas et al. 1994). This magrnatic history | | | Book | GeoGuide Mike Searle Geology of the Oman Mountains, Eastern Arabia GeoGuide Series Editors Wolfgang...springer.com/series/11638 Mike Searle Geology of the Oman Mountains, Eastern Arabia 123 Mike Searle Department...grateful thanks for the wonderful life we had in Oman in the early days. It is also dedicated to all those...this amazing and wonderful country. Foreword Oman and the UAE possess several geological wonders that...Earth dynamic processes. Between the Oman Mountains in the north and the Dhofar Mountains in the south | | Negishi, Hironori, Arai, Shoji, Yurimoto, Hisayoshi, Ito, Shoichi, Ishimaru, Satoko, Tamura, Akihiro, Akizawa, Norikatsu (2013) Sulfide-rich dunite within a thick Moho transition zone of the northern Oman ophiolite: Implications for the origin of Cyprus-type sulfide deposits. Lithos, 164. 22-35 doi:10.1016/j.lithos.2012.11.024 | Journal (article/letter/editorial) | within a thick Moho transition zone of the northern Oman ophiolite: Implications for the origin of Cyprus-type...Moho transition zone Cyprus-type sulļ¬de deposits Oman ophiolite a b s t r a c t Peculiar dunites, in...(MTZ) are found along Wadi Thuqbah in the northern Oman ophiolite. We discuss their relevance to the formation...One of the Cyprus type massive sulļ¬de deposits (Aarja) from the crustal section of the same area shows...dunites/wehrlites, indicating their genetic linkage. The Aarja sulļ¬de deposit was formed within the V2 lavas, which | | | Journal (article/letter/editorial) | magnetiteĀ±sulĀ®de lens, whereas an epidoteĀ±albiteĀ±pyrite-rich mineral assemblage overprints the margins...base of the earlier-formed Ansil deposit. The low-Al trondhjemites generated relatively oxidized, acidic...volcanic-hosted massive sulĀ®de (VMS) deposit, located 14 km north of RouynĀ±Noranda, Quebec, is one of 22 base metal... 0.9% Zn, 1.6 g/t Au and 26.5 g/t Ag (Riverin et al. 1990). During the early development of the deposit...of semi-massive to massive magnetite (Riverin et al. 1990). Continued exploitation of the orebody resulted | | | Journal (article/letter/editorial) | Through the process known as acid rock drainage (or mine drainage), the oxidative dissolution is in this...complex outer layer of of sulfides from ores and from mine wastes can release air, water, biota, organic matter...supergene oxidation and leaching of ore deposits and mine wastes. They have a profound effect on high pressures...to adjust to mobility and even toxicity (Zammit et al 2015 this issue). the new lower temperatures, pressures...increase in metal grades for such commodities as Cu, Al, The formation of supergene enrichment profi les | | | Journal (article/letter/editorial) | WesternJurassicbelt and hasbeen dated at 157 ___ 2 m.y. (Saleebyet al., 1982). The ophiolitestratigraphyis asfollows(in...Nevadanorogeny(150 m.y.)(Harper, 1980, 1984, 1986; Saleebyet al., 1982). Post-Nevadandeformationwas associated with...zones)areslightlyenechelon,possibly dueto faulting, alonga north-northeast trend.The UpperHigh-Grade podsandthe Main...flows. Weak to moderate sulfide mineralization north, whereas the Main Lower zone extends to the occursbelow...probablyrepresentedby a smallgossan pit andironthe north by at leastseveralfaults(F2, Fa, F4) rep- stained | | Patten, C. G. C., Pitcairn, I. K., Alt, J. C., Zack, T., Lahaye, Y., Teagle, D. A. H., Markdahl, K. (2020) Metal fluxes during magmatic degassing in the oceanic crust: sulfide mineralisation at ODP site 786B, Izu-Bonin forearc. Mineralium Deposita, 55 (3) 469-489 doi:10.1007/s00126-019-00900-9 | Journal (article/letter/editorial) | mineralised zone. In situ S isotopic compositions of pyrite decrease from 5.9 Ā± 2.9ā° in the upper mineralised...dyke complex (Alt 1995a; Alt et al. 2010; Jowitt et al. 2012; Patten et al. 2016a) or to be supplied by...volatiles (Moss et al. 2001; Yang and Scott 2002; Sun et al. 2004; deRonde et al. 2005; Sun et al. 2015). The...Pb, Zn; Hannington et al. 1991; Wohlgemuth-Ueberwasser et al. 2015; Monecke et al. 2016). It has been suggested...into the hydrothermal system (Sillitoe et al. 1996; Moss et al. 2001; Yang and Scott 2002). However, this | | | Book (volume) | President INSTITUTE OF APPLIED GEOLOGY Ahmad M. S. Al-Shanti Dean I. A. G. BULLETIN No. 3 EVOLUTION...Proceedings of a Symposium convened by AHMAD M. S. AL-SHANTI Volume 2 Published for the INSTITUTE OF...3). Vol: 2 1. Geology - Near East - Congresses I. Al-Shanti, Ahmed II. Tahoun, SA III. Series 555.6 QE319...Ramsay and M. J. Roobol PRECAMBRIAN TECTONICS OF NORTH-EAST AFRICA R. M. SHACKLETON Leeds University, Leeds...accretion of island arc/back arc complexes in the north to products of collisions between plates carrying | | | Journal (article/letter/editorial) | Ophiolite Belts, stretching across the country from north-west to south-east, and have mid-ocean ridge and...Porave. The orebodies with massive chalcopyriteāpyrite ores vary in shape occurring between hematised...andesiteādacite, boninite succession hosts massive pyriteāchalcopyriteā sphalerite ore underlain by few...ophiolitehosted volcanogenic deposits at Cyprus and Oman include a clustering of orebodies along the general...sulphide (VMS) mineralization (Fig. 1), mainly pyrite and chalcopyrite. Prior to political change in | | | Report (chapter) | and that the nappe extends beneath most of the Batinah coastal plain probably with its tapering trailing...trailing edge close to the present Gulf of Oman coastline. Marked structural thinning and imbrication of the...n M o u n t a i n s from near D i b b a in the north to near Sur in the I I 58~ Sheeted dykes and extrusives...Sarami, 4. Haylayn, 5. Rustaq, 6. Ibra (Hopson et al. 1981). Maximum and minimum thicknesses for Layered...upward protrusion of melange from beneath (Lippard et al, 1983; Robertson & Woodcock 1983b, Section 4.3.3 | | | Book | convert, refine and treat whatever you want to mine. From the initial evaluation and planning to the...spelling has been used: Abu instead of Abou, Bou Al instead of El Gabal instead of Jebel, Gebel, Djebel...Dhahab; Hofrat An Nahas has been changed to Hofrat Al Nahas, etc. MINERAL RESOURCES OF THE ARAB COUNTRIES...Solomon's mines are nothing but an ancient copper mine exploited by the ancient Egyptians. A temple dedicated... Sharjah, and Um AI Qaiwan. The Sheikhdom of Ras Al Khaimah accepted federation membership in 1972, | | | Journal (article/letter/editorial) | Robcrtson, 1980; Robertson and Fleet, 1986; Haymon et al., tg89, 1990). Previous reports of metalliferous...Tethyan ophiolites are ah'eady well known (e.g. Oman, Cyprus), but little information is available on...19'77; Robcrtson and Varnavas, 1990; Robertse " et aL, 1991). This ocean basin was bordcred to the west...Triztssic-[iarb .lura~,~,ic thnc. After Robcrtson el al., 1991 t)(, A.H.F. ROBERTSONAND S.P. VARNAVAS...tectonostratigraphic zones in the Greek area (Aubouin ct al., 1970; Fig. 1). (Valsami, 1990) in the area studied | | | Journal (article/letter/editorial) | with the hydrothermal alteration is dominated by pyrite accompanied by minor chalcopyrite, sphalerite,...of continental crust (e.g., Suyehiro et al., 1996; Tatsumi et al., 2008). Geochemical recycling through...Taylor and Nesbitt, 1998; Hochstaedter et al., 2001; Ishizuka et al., 2003). Izu-Bonin is a prime example...spreading (e.g., Hochstaedter et al., 1990a, b; Taylor, 1992; Ishizuka et al., 2009). Results from these studies...rear-arc volcano in the Izu-Bonin arc (Ishizuka et al., 2002) and a Kuroko-type massive sulfide deposit | | Ciazela, Jakub, Koepke, Juergen, Dick, Henry J.B., Botcharnikov, Roman, Muszynski, Andrzej, Lazarov, Marina, Schuth, Stephan, Pieterek, Bartosz, Kuhn, Thomas (2018) Sulfide enrichment at an oceanic crust-mantle transition zone: Kane Megamullion (23Ā°N, MAR) Geochimica et Cosmochimica Acta, 230. 155-189 doi:10.1016/j.gca.2018.03.027 | Journal (article/letter/editorial) | (Fellows and Canil, 2012) and 0.10 vol.% (Harvey et al., 2016). Sulfides melt in relatively low temperatures...poorer in sulfides than the primitive mantle (Lee et al., 2012). The crust in return is enriched in sulfides...primitive mantle (Lorand et al., 2013; Patten et al., 2013; Harvey et al., 2016). On the other hand,...xenoliths (Wang et al., 2009; Michalak and Nowak, 2010; Chen et al., 2014; BukaÅa et al., 2015), orogenic...(Garuti et al., 1984; Lorand, 1989a; 1989b), 2 and abyssal peridotites (RehkƤmper et al., 1999; Luguet | | | Book | Deposits ................ . 4.5.2 The Homestake Gold Mine, South Dakota .. 4.5.3 Pre-Metamorphic Stratiform...Post-Metamorphic Quartz-Rich Vein Ores: The Sigma Mine, Quebec ................ . 4.5.5 Discussion and...Massive Sulfide Deposits of the Semail Ophiolite, Oman. . .. . . . . . . . . . . . . . . . . . . . .. The...Kennecott Mine, Alaska ................................. 9.8.2 The Copper Orebodies of the Mt. Isa Mine, Queensland...energy from the mantle is dissipated (Sclater et al. 1980). Substantial evidence now exists for the operation | | | Journal (article/letter/editorial) | Goldie 1976; Cathles 1977; Franklin et al. 1981; Campbell et al. 1981; Galley 1993, 1996). There is also...system (Yang and Scott 1996; Sillitoe et al. 1996; Hannington et al. 1999). Modeling the role of large subseaļ¬oor...and Detrick 1992; Calvert 1995; Alt 1995; Singh et al. 1999). Empirical evidence for this link includes...Holk 1998; Bailes and Galley 1999; Hannington et al. 2002, this volume). A number of large synvolcanic...overlying VMS-hosting rhyolites (Davis et al. 1985; Bailes et al. 1996; Barrett and MacLean 1999) and have | | | Journal (article/letter/editorial) | Melson et al., 1968; Cann, 1969; Miyashiro et al., 1971; Bonatti et al., 1975; Robinson et al., 1977; Humphris...Humphris et al., 1980; Honnorez, 1981; Alt et al., 1986). Only the uppermost parts of the oceanic crust...reserved SSDI0009-2541 (93)E0238-0 236 E. Valsami et al. / Chemical Geology 114 (1994) 235-266 rently accessible...ridge axes (e.g., Edmond et al., 1979; Von Datum et al., 1985a, b; Campbell et al., 1988 a,b). (b) Experimental...Sheppard, 1977; Spooner et al., 1977; Richardson et al., 1987; Harper et al., 1988 ). The advantages of | | | Book | bin Said Al Shanfari Minister of Petroleum and Minerals The Speech of H.E. Said Bin Ahmed Al Shanfari...Symposium Your Royal Highness Sayed Fahad Bin Mahmoud al Said, Your Royal Highness Members of the Honourable...pleasure to welcome you in this scientific gathering in Oman which has been made possible through the directives...contribute to the advancement of earth sciences. We, in Oman look forward with keen interest to the outcome of... I wish to thank the Ministry of Defence, Royal Oman Police and the Ministry of Information for their | | | Report (issue) | minerals may include chalcopyrite, sphalerite, galena, pyrite, pyrrhotite, and magnetite. Silver, gold, bismuth...locations are expressed in positive coordinates for north and west, and negative coordinates for south and...Chalmers Mount Morgan Mount Mulcahy Mount Lyell North Keystone San Antonio-Planes San Guillermo-Sierra...POLYBASITE PROUSTITE PS I LOME LANE PYROLUSITE PYRITE PYRARGYRITE PYROMORPHITE QUARTZ REALGAR RHODOCHROSITE...CYPS FIJI FNLD FRNC GBBR GUAT IRAN IRLD JAPN NRWY OMAN PKSN PLPN PORT SAAR SPAN SWDN TRKY USAK USAL USAZ | | Maslennikov, V.V., Ayupova, N.R., Herrington, R.J., Danyushevskiy, L.V., Large, R.R. (2012) Ferruginous and manganiferous haloes around massive sulphide deposits of the Urals. Ore Geology Reviews, 47. 5-41 doi:10.1016/j.oregeorev.2012.03.008 | Journal (article/letter/editorial) | not only in mobile Na, K, Mg, but also in immobile Al, Ti, and REE; whereas Si and Fe are concentrated...sediments, resolves the problem of subtraction of Al, Ti, REE and other elements, which are commonly immobile...and/or pyrite. The acidic condition facilitates the temporal preservation of āimmobileā elements (Al, Ti...2010; Gavrilov, 1972; Khvorova, 1979; Khvorova et al., 1984; Zaykov, 1991, 2006; Zaykova, 1991). However...manganiferous rocks speciļ¬c to 6 V.V. Maslennikov et al. / Ore Geology Reviews 47 (2012) 5ā41 the VMS deposits | | | Journal (article/letter/editorial) | deposit types differ in mineral composition, with pyrite-pyrrhotite-chalcopyrite Ā± sphalerite mineralization...mineralization in the Besshi-type deposits versus pyrite-sphalerite-galena-chalcopyrite-gold mineralization in...et al., 2010), extending from Russia across eastern Kazakhstan to northwest China (Bespaev et al., 1997)...1789 and is still actively mined today. Bespaev et al. (1997) compiled a 1:1,500,000 metallogenic map of...(Shcherba et al., 2000; Vikentiev, 2004), and Chinese Altai parts (Wang, 2003; Wang et al., 2003), mostly |
|