 | | Journal (article/letter/editorial) | | Porphyry Gold-Copper Deposit, Maricunga Belt,NorthernChile*RICHARD H. SILLITOE,1,† JUSTIN TOLMAN,2,** AND...the Maricunga gold-silver-copper belt of northernChile, was discovered in 2007 beneath postmineral cover...28°S in the high volcanic Andes of theAtacama Region, northernChile (Fig. 1). The belt, some 200 kmlong...-26°30’ESPERANZAArgentinaChileAntofagastaLA COIPAFig. 2PURENCopiapóMaricunga beltCASPICHE...-LAMAVELADEROEL INDIO-30°-30°El Indio beltLOBOLA PEPAVOLCANPANTANILLOSSantiago-70°-27°30’ |  | | Journal (article/letter/editorial) | | mineralization in theAtacama segmentof the South American Andes, northernChile (26°15'-27°25'S)Received:...magmatism and the rich oredeposits of northernChile have been the focus ofnumerous studies. Significant...feature of the geology of this part of northernChile is the existence of n o r t h - south to north-east-...alteration andcama segment - Andes - northernChilemineralization (Baker and Guilbert, 1987; Colley...metallogenic beltsIntroduction(Fig. 1): (1) along theAtacama Fault System; (2) along theInca de Oro Belt; (3) |  | Sillitoe, Richard H., Devine, Fionnuala A.M., Sanguinetti, Martin I., Friedman, Richard M. (2019) Geology of the Josemaría Porphyry Copper-Gold Deposit, Argentina: Formation, Exhumation, and Burial in Two Million Years.Economic Geology, 114 (3) 407-426doi:10.5382/econgeo.4645 | Journal (article/letter/editorial) | | located in the Frontal Cordillera of San JuanProvince, Argentina, near the present-day northern limit...Cordillera of San JuanProvince, Argentina, ~8 km east of the border withChile (lat28°26'S, long 69°32'W)...SILLITOE ET AL.70°68°W69°40’oBOLIVIAu -ChileTamboTren25°chLos AzulesEl Altar - Piuquenes...a d osM ogotesfaultI NRefugioCHILEbeltALobo-MarteLa PepaTaguasPascua-Lamadio...late Oligocene-Miocene volcanic belt of northernChile and contiguous Argentina, showing the age assignment |  | | Journal (article/letter/editorial) | | ileLtda., AvenidaPedrode Valdivia295, Santiago,ChileAND RICHARDH. SILLITOE27 WestHill Park,HighgateVillage...and 28 ø S in the Andean Cordillera of northernChile. After 10 yearsof exploration,three preciousmetal...38-2353.001238 Au PORPHYRY,MARICUNGA BELT,CHILE1239and west of Marte which compriseadvancedargillic...central and northernChile. ThetheAtacama desert.Maricungabelt in northernChile is one of the most...explorationistsin the areafor the last emplifiedby Marte,Lobo, and Aldebaran,is domi-fiveyearsor soto denotea |  | | Journal (article/letter/editorial) | | the Refugio District, Maricunga Belt, NorthernChileJOHN L. MUNTEAN†,* AND MARCO T. EINAUDIDepartment...the porphyry gold deposits of theMaricunga belt,Chile (Vila and Sillitoe, 1991). For this reason it is...prospects and deposits in the high Andes of northernChile (Vila and Sillitoe, 1991; Fig. 1). Zones of hydrothermally...gold-(copper) deposits (Refugio, Aldebaran, Marte,Lobo). Since 1980, an aggregate geologic resource of...(1968), Zentilli (1974),La Coipa27 oMarteLoboVolcan LagunaRefugio020500Volcan Copiapo |  | | Journal (article/letter/editorial) | | Porphyry-Epithermal Transition: Maricunga Belt, NorthernChileJOHN L. MUNTEAN†,* AND MARCO T. EINAUDIDepartment...Pepa districts in the Maricunga belt of northernChile contain advancedargillic alteration zones that...we investigated the Maricunga belt ofnorthernChile, where numerous districts have zones of advanced...in northernChile about 700km north of Santiago (Figs. 1, 2), is a metallogenicprovinceof Miocene age...are overlain by Mesozoic to early TertiaryMarteLoboVolcan CopiapoLa PepaPERUVolcan Laguna0 |  | | Journal (article/letter/editorial) | | mineralizing processes, based on a worldwidemolybdeniteACdatabank. We compared the δ98/95Mo (hereafter...(hereafter referred as δ98MoNIST) of 391molybdenite samples(193 from the literature, 198 for this study)...types of occurrencesand different ages. The 198molybdenite samples we analysed represent various types of...ratio in the 391molybdenite samples varied from 1.62 to 2.27‰, being higher formolybdenite formed in Alpine-type...occurrences the δ98MoNIST was determined on severalmolybdenite samples, showing variability atoccurrence scale |  | | Report (issue) | | Mountain (British Columbia,Canada) and El Teniente (Chile) porphyry copper deposits.........................deposits include El Teniente and El Salvador inChile, Bajo de la Alumbrera in Argentina, Grasberg in...regional faults such as near deposits in northernChile (Behn and others, 2001; Gow and Walshe,2005), central...chalcocite. By-productminerals frequently includemolybdenite and native gold. Other associated minerals may...± bornite, with pyrite and minor amounts ofmolybdenite. In some deposits, there is anadvanced argillic |  | | Report (issue) | | .......................... 18Questa MolybdenumMine ..................................................mapping and detailed study of the Questa molybdenummine. A geologic map, scale 1:253,000, including this...corner ofthe quadrangle.The Questa molybdenummine was described initially in a brief paperby Larsen...former general manager of the Questa Molybdenummine, who was aconstant inspiration to the field personnel...southern border, andthe highest point, 12,106-footLobo Peak. The area can be divided intotwo physiographic |  | | Report (issue) | | Viteri, The porphyrygold deposit at Marte, northernChile, Economic Geology Monograph 8, inpress.D. P. Cox...geologists at La Pepa,Alderberan, Marte andLobo Mines,Chile.REGIONAL GEOLOGIC ATTRIBUTESTECTONIC SETTING:...pyrite up to8%, with minor chalcopyrite andmolybdenite. Anhydrite is common inand adjacent to ore....EXAMPLESMarte,Chile 46,000,000 mt; 1.43 gpt Au, 549 ppm Cu, 46 ppm MoLobo,Chile90,000,000 mt; 1...gpt Au, 0.1-0.2% Cu.Caseli,ChileCaravancha,ChileEl Refugio,Chile 130,000,000 st; 1.03-1.51 gpt |  | | Journal (article/letter/editorial) | | enargiteluzonite Cu-Au deposit in Mankayan, BenguetProvince, Philippines.The principal orebody consists of...Chalcopyrite-Au mineralization associated withmolybdenite is recognized in thedeeper zone in the breccia...deposit in the Mankayan Mineral District, BenguetProvince, northern Luzon, Philippines (e.g., Gonzalez,...SolomonIslands defines a significant metallogenicprovince.The Philippine archipelago is situated in the...the Santo Tomas II, BlackMountain, Santo Niño,Lobo and Boneng mines (Balce,1979; Sillitoe and Gappe |  | | Journal (article/letter/editorial) | | copper-typedepositlocatedin northwesternArgentina in theprovince of Catamarca. It was investigatedby Cities Service...ccompaniedby pyrite-chalcopyrite-bornite-molybdenite-magnetitemineralization. A volcanicevent followed...unusualassemblage:pyr[te-covellite-bornite-enargite-molybdenite-sphalerite-galena-marcasit.e-rhodochrosite-native... There are someindication.scentral Catamarcaprovince to the Mi Vida-Filosuggestinga ,relationbetweenthat...silver,cpy= chalcopyrite,bn = bornite,mb =molybdenite,mgt= magnetite,cv = covellite,en = enargite |  | Lescuyer, J. L., Leistel, J. M., Marcoux, E., Milési, J. P., Thiéblemont, D. (1997) Late Devonian-Early Carboniferous peak sulphide mineralization in the Western Hercynides.Mineralium Deposita, 33 (1) 208-220doi:10.1007/s001260050141 | Journal (article/letter/editorial) | | minerals include generally rarespecies such asmolybdenite (MoS2) and breithauptite (NiSb).The Somme succession...18.163 15.558 37.817 Abundant barite (22%),molybdenite, breithauptite, Devonian toDinantianAu enriched...part of this domain is overthrust by the Pulo doLoboUnit that has been aected by a Late Devonian compression...1995, 1996), whereas in the neighbouringPulo doLobo Unit, Eden and Andrews (1990) de®ne aGivetian to...the inner zone, ores are relatively rich inmolybdeniteand nickel minerals and have a lead isotopic |  | | Book (volume) | | existence o f a new unconformity-vein style uraniumprovincein the Proterozoic of the Great Sandy Desert....the largest deposits inany established porphyryprovince. For a discussion ofthe accepted terminology...localised in the U.S. “South-west”，and in northernChile and southern Peru，and were Cu-Moorebodies (Gilmour...Cook and Porter;all in this publication) and inChile, Argentina and Peru inSouth America (see Camus;...Chuquicamata, ElAbra, La Escondida and El Teniente inChile, CerroColorado in Panama, Grasberg in Indonesia |  | Sillitoe, Richard H., Perelló, José, Creaser, Robert A., Wilton, John, Wilson, Alan J., Dawborn, Toby (2017) Age of the Zambian Copperbelt.Mineralium Deposita, 52 (8) 1245-1268doi:10.1007/s00126-017-0726-8 | Journal (article/letter/editorial) | | subsequentorogeny. The results of 15 Re-Osmolybdenite age determinations from Cu ± Co deposits and...stages of the Lufilian collisional orogeny. Themolybdenite ages for the disseminatedstratiform mineralization...notion of syndiagenetic Cu introduction. Themolybdeniteages also show that individual deposits formed...deposits . Central AfricanCopperbelt . Zambia .Molybdenite . Re-Os ages .SynorogenicAlan J. Wilsonawilson@aminerals...et al. 2005).Nonetheless, minor amounts ofmolybdenite occur in somesediment-hosted Cu deposits, allowing |  | | Journal (article/letter/editorial) | | background concentrationsin soils of Carajás mineralprovince, eastern Amazonian craton,Brazil—Gabriel Negreiros... 200 Ma Yunluheba Pb-Zn deposit in NW GuizhouProvince, SW China—Yong-Yong Tang, Xian-Wu Bi,Jia-Xi Zhou...Zhonggu orefield, Ningwu volcanic basin,AnhuiProvince, China—Weian Sun, Feng Yuan, Simon M. Jowitt,...study of the Haiyu Au deposit inthe Jiaodong goldprovince, China—Wang Jian, Zhu Lixin,Ma Shengming, Tang...from the Los Colorados iron oxide-apatitedeposit,Chile: Implications for ore genesis—Nikita L. La Cruz |  | | Journal (article/letter/editorial) | | 3) stringer quartz veinlets associated withmolybdenite in sericite alteration, and 4) WNW-trending quartz...inclusions in veinlet quartz associated withmolybdenite (stage 3) are dominated by gas-rich inclusions...through the Cenozoic in the island arc setting inmine was operated by Benguet Corporation by an open pit...municoang (Tirad) (Sillitoe and Angeles, 1985), theLobo and ipality of San Marcelino, Zambales, about 80... Fig. 2 Geology and alteration map of the Dizonmine and the vicinity (modified after Malihan, 1987) |  | | Journal (article/letter/editorial) | | and Timing ofMolybdenite Mineralization at theEl Teniente Cu-Mo Porphyry Deposit,ChileEdward T. Spencer...Teniente, Rancagua,ChileAbstractThe El Teniente Cu-Mo porphyry deposit,Chile, is one of the world’s...abundance of main mineralization (type 6a)quartz ±molybdenite veins. These show a clear spatial relationship...sericitic alteration halos. High-precision Re-Osmolybdenite datingreveals that these linked vein types did...exceeding 0.06 wt % correspond to the presence ofmolybdenite-bearing, late mineralizationstage, tourmaline-cemented |  | | Journal (article/letter/editorial) | | quartz–sulfide veins containing pyrite, chalcopyrite, andmolybdenite. The content of gold in theveins ranges from...dispersed–impregnated pyrite, chalcopyrite,molybdenite (Pil’noe and Daginino areas, Novinka, Sul’fidnoe...arein dispersed form or in the stock- withmolybdenite, quartz–tourma- foundworkline, quartz–pyrite...gold-ore field; Mo is associated to the Davedinomolybdenitefield. The haloes of Au are accompanied by the...concen- ing the following areas: Pil’noe,Lobo (150 t, 1/4 g/t,Chile); Gras- trations, g/t: 2.2 in ore body |  | | Journal (article/letter/editorial) | | Processes of the Dongping Gold Deposit,HebeiProvince, China............................D. Wang, J...LuanlingGold Telluride Deposit, Western HenanProvince, Central China.................................Mineralization of the Kay Tanda Epithermal Gold Deposit,Lobo, Batangas,Philippines..................S.M.P.... South China: Constraints from Zircon U-Pb,Molybdenite Re-Os, and Muscovite Ar-Ar Dating.......... |  | | Journal (article/letter/editorial) | | The Tolos intrusive is 11 to 12 km wide and hasProvince. Gold was producedfrom the Antipolo an exposedlength...elongationapproximately northwest. The batholith is intruded intomine,located1.5kmwestof theTaysandisseminatedand to...peninsulaof Luzon are a complexof intra-Antipolo goldmine 1.5 km west of the batholith arc rifting and minor...theextensivepyroclastics.alongthe roadfrom DagatantoLobo. It is magneticand containsplant remainsand gastropodssuggest-...limestoneis now uplifted to 285 m atstone. NearLobo similar sedimentsare youngerDagatan and 500 m |  | | Journal (article/letter/editorial) | | Deposit at Marte, NorthernChileTOMkS VILA,Minera Anglo AmericanChile Ltda., Avenida Pedro de Valdivia...Valdivia 295, Santiago,ChileRICHARD H. SILLITOE,27 West Hill Park, Highgate Village, London N6 6ND, England...CopiapS,ChileAND ENRIQUEVITERI**Minera AngloAmericanChile Ltda., ChaKarcillo840, CopiapC,ChileAbstract...Minor chalcopyriteand evenlesserquantitiesofmolybdenite,bornitc, tennantite,andenargitealsooccur.Gypsumafter...Santiago,Chile.** Presentaddress:Avenida11 de Septiembre2250, Oficina1304, Santiago,Chile.0361-01 |  | McLemore, Virginia T., Donahue, Kelly, Breese, Michael, Jackson, Meghan I., Arbuckle, Jeffrey, Jones, Glen (2001) Introduction to mineral-resource assessment of Luna County, New Mexico.Open-file Report 459. New Mexico Bureau of Geology and Mineral Resourcesdoi:10.58799/ofr-459 | Report (issue) | | Low/BLow/BLow/BHigh/DNone/D3COMMENTSCalumetmineSedimentary-hostedSedimentary-hosted, skarnHigh...polished face of a thunderegg from the Baker Eggmine.Figure 20. Mines and prospects in the Camel Mountain-Eagle...Ridge mining district, Luna County.Figure 31. Luckymine, south end of Fluorite Ridge.Figure 32. Map of...with smokey quartz crystals from the Sugar Bowlmine.Figure 36. Mines and prospects in the Old Hadley...Hermanas Mountains.Figure 40. Leach tanks at the Canonmine, Tres Hermanas district.Figure 41. Fracture disseminated |  | | Journal (article/letter/editorial) | | Alumbrerain the Faral16n Negro district, Catamarcaprovince,northwest Argentina,an oval dacite porphyry...alteration is dominated by biotite and anhydrite, andmolybdenite occurs as a partially developedhalo to the chalcopyrite-gold...K-feldspar, chalcopyrite, pyrite,marcasite andmolybdenite. Magnetiteis scarce except in skarn ore peripheral...subparallel and giverise to a sheeted structure. TheLobodeposit, only 1.5 km to the north, isclosely similar...bodies at Saindak, aslittle as i00 m apart, or theLobo andBonengdeposits~ only 1.5 km apart.These observations |  | | Journal (article/letter/editorial) | | Luanling Gold Telluride Deposit, Western HenanProvince, Central ChinaW. Chao, K. Hayashi, H. Ye, J....Mineralization of the Kay Tanda Epithermal Gold Deposit,Lobo,Batangas, PhilippinesS.M.P. Frias, A. Imai, R... South China:Constraints from Zircon U-Pb,Molybdenite Re-Os, and Muscovite Ar-Ar DatingY. Feng, Z |
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