 | 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,† 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 •..•... Introduction. Staff...Khabiyat .. (6) Bayda .. (7) Aarja •. (8) Ghayth. (9) Lasail. (10) Jabah. (11) Rakah. Descriptions of copper...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...largestof which (8 x 106 metric tons) is the depositof Lasail. Detailed field mappingof the lavasand shallow...spreadingaxisand the eruptionof a secondlava unit (the Lasail unit) at an off-axis(or arc) seamount.Moreover... thoughlessdetailed, studiesof other depositsin Oman indicatethat: only very smallmounddepositslie within |  | | 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...proximity to economic copper sulphide deposits of the Lasail mining district. A progression of isotopic, chemical...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 |  | | 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 |  | | 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 |  | | 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 |  | 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 sulfide 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...Mid-Atlantic Ridge (Hannington et al., 1998; Humphris and Cann, 2000; Humphris et al., 1995) as well as from ophiolites...ophiolites (e.g., Dergachev et al., 2010). Deep processes related to sea-floor sulfide deposit formation |  | | Report (chapter) | | distinct classes. (1) Cyprus-type, including Cyprus, Oman and Betts Cove, possibly formed during the early...Norwegian Caledonides, Newfoundland, Cyprus and Oman and in Precambrian terrain in Scandinavia and Canada...0.06 85 45 109 0.05 15 -- -- 2 Lasail,Oman 23 Lasail 23 3750 34 16 3 BettsCove,24 Newfoundland... 16 La C'e Joma York Harbour Gjersvik L~kken Oman Troodos ' ' Sm ' Eu ' G'dT'b . . . . Tm V'b...identified from the Troodos Massif, Cyprus, 2~ 21 Oman 23 and Betts Cove, Newfoundland, 24 and all contained |  | 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 ± 2.9‰ 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 |  | | 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 |  | | 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) | | Arc–forearc extension Boninites Troodos ophiolite (Cyprus) Oman ophiolite Pindos ophiolite (Greece) a b s t r a...region (i.e. Mirdita, Pindos, Troodos, Kizildag, Oman) generally have Penrose-type oceanic crust and contain...component of the Oman lavas indicates MORB affinity and the majority of the Kizildag and Oman data plot within...discriminant diagram. Furthermore, the Troodos and Oman lavas do not show any particular Th-enrichment in...prevailed until the early 1970s (Gass, 1968; Bailey et al., 1970; Moores and Vine, 1971; Anonymous, 1972; Moores |  | | 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 |  | | Book | | minerals like magnetite, haematite, pyrrhotite and pyrite, for those with good cleavages like galena, or...measured. This is useful for ‘massive’ galena, pyrite, sphalerite and magnetite-bearing ores. After...Smearing of very soft minerals contain quartz, pyrite, marcasite, magnetite or haematite and with a...burnishes to a pale yellow more characteristic of pyrite; scratched, but the resin should no longer be...during mining and milling, are introduced into mine concentrates and mill products. Often they have |  | Yıldırım, Nail, Dönmez, Cahit, Kang, Jisuk, Lee, Insung, Pirajno, Franco, Yıldırım, Esra, Günay, Kurtuluş, Seo, Jung Hun, Farquhar, James, Chang, Se Won (2016) A magnetite-rich Cyprus-type VMS deposit in Ortaklar: A unique VMS style in the Tethyan metallogenic belt, Gaziantep, Turkey. Ore Geology Reviews, 79. 425-442 doi:10.1016/j.oregeorev.2016.05.021 | Journal (article/letter/editorial) | | Ore mineral abundances decrease in the order of pyrite, magnetite, chalcopyrite, and sphalerite. Two distinct...with a Cyprus-type VMS system. The δ34S values in pyrite PT and chalcopyrite samples range from 2.6 to...(Ketin, 1983; Şengör and Yılmaz, 1981; Robertson et al., 2004; Okay, 2008). The Ortaklar deposit is located...1991; Yılmaz et al., 1992; Parlak et al., 2004, 2009; Herece, 2008; Uzunçimen et al., 2011; Yıldırım...Bingöl, 2012; Yıldırım et al., 2012a,b; Varol et al., 2011; Robertson et al., 2015a,b; Yıldırım, 2015) |  | | 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 |  | | Report (chapter) | | representing one or more former micro-continents to the north (Fig. 1). These massifs are overlain, and intruded...Perincek & C)zkaya 1981; Michard et al. this volume; Ricou et al. this volume). Along much of the suture...PaluElazl~ area (Fig. 2) and in this volume Michard et al. state that in the Malatya region their Elazl~ nappe...underlying H a z a r - G u l e m a n nappe, while to the north-east the arc rocks have been thrust southward over...1979; Michard et al. this volume). In the area studied here the arc complex crops out north of Hazar Lake |  | | 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 |  | | Journal (article/letter/editorial) | | of Iran to the Strait of Hormuz and into northern Oman. This belt reflects the shortening and off-scraping...better-studied ophiolites in Cyprus, Turkey and Oman compel the conclusion that a broad and continuous...northern Oman, accommodating ∼ 20 mm yr−1 of convergence between Arabia and Eurasia (Reilinger et al. 2006)...(e.g. Alavi, 1980, 2004, 2007; Agard et al. 2005; Homke et al. 2009). The ZOB is interpreted as the product...Downloaded: 12 Mar 2015 fault and to the SE by the Oman line (Falcon, 1969). The ZOB formed because of convergence |  | | Report (chapter) | | template for ophiolites in Albania, Cyprus, and Oman YILDIRIM DILEK 1 & MARTIN F. J. F L O W E R 2...association of boninites with oceanic ridge-type structm-al settings; (2) the diachronous 'patch-like' distribution...ophiolites, in Albania (Mirdita), Cyprus (Troodos), and Oman (Semail). A longstanding debate persists concerning...basin opening in the genesis of ophiolites (Dilek et al. 2000). In the case of Tethyan ophiolites (Fig. 1)...Eurasia (Dilek & Moores 1990; Gnos et al. 1997; Dilek 1999; Dilek et al. 2000, and references therein). In |  | | 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, |  | | Book | | second from a chimney about 15 cm across (MacDonald et al., 1980). This water issues as a clear solution but...rapid precipitation primarily: of pyrrhotite plus pyrite, sphalerite and Cu-Fe sulphides. mounds with...innermost walls of alternating bands of sphalerite, pyrite and chalcopyrite. The basal mounds consist of similar...vents at the Galapagos spreading centre (Corliss et al., 1979). Manganese, largely absent from the hydrothermal...tty) &e We = ata ee reel bot i a oe (aah ae al a a . ery! . ;= Oi nih - 7 ¢ erent 4 R |  | Fouquet, Y., Knott, R., Cambon, P., Fallick, A., Rickard, D., Desbruyeres, D. (1996) Formation of large sulfide mineral deposits along fast spreading ridges. Example from off-axial deposits at 12°43′N on the East Pacific Rise. Earth and Planetary Science Letters, 144 (1) 147-162 doi:10.1016/0012-821x(96)00142-2 | Journal (article/letter/editorial) | | PIZ SOOl2-821X(96)00142-2 148 Y. Fouquet et al. / Earth and Planetary Science Letters 144 (1996)...during differentiation that took place Y. Fouquet et al. /Earth and Planeta? Science Letters 144 119961 147-162...marginal high were described in detail by Fouquet et al. [6]. One major hydrothermal site near the top of...lakes and active vents. After Fouquet et al. [6]. Y. Fouquet et al./Earth and Planetary Science Letters... 150 pJ MASSM -SULFIDES ---&I SEDIMENTS AX,AL GRABEN + Mn OXIDES + P,T CRATER 4 MAJORFAULT |
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