 | | Journal (article/letter/editorial) | | STUDY OF THE EL MOCHITO Zn-Pb-Ag DEPOSIT K. M. AULT†,* AND A. E. WILLIAMS-JONES Department of Earth and...2A7, Canada Abstract The El Mochito mine, located in west-central Honduras, exploits a Zn-Pb-Ag skarn...skarn, appears spatially associated with the El Mochito deposit, and a source of fluid and metals has...and +2 per mil, suggesting that the sulfur at El Mochito was primarily igneous in origin. Lead isotope...Newberry et al., 1991; Vázquez et al., 1998). At El Mochito, however, except for the Cu/(Zn + Pb) ratio, |  | Vazquez, Rodrigo, Vennemann, Torsten W., Kesler, Stephen E., Russell, Norman (1998) Carbon and oxygen isotope halos in the host limestone, El Mochito Zn-Pb-(Ag) skarn massive sulfide-oxide deposit, Honduras. Economic Geology, 93 (1) 15-31 doi:10.2113/gsecongeo.93.1.15 | Journal (article/letter/editorial) | | e Deposit,Honduras RODRIGO V•ZQUEZ,*TORSTEN W. VENNEMANN **A STEPHEN E. KESLER, Department of Geological...PacificHonduras, ApartadoPostal342,SanPedroSula,Honduras Abstract E1 Mochito,the largestoperating minein CentralAmerica...observed in thestableisotope composition of carbonEL MOCHITO isa skarnsulfide-oxide, limestone-replacement ate...of determining enoughto be usefulfor regionalor mine-scale lelingor crosscutting bedding(Preseot, 1926;Megawet...geologic and geochemical characteristics of E1 Mochito * Corresponding author: email, torven@uni-tuebingen |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PRELIMINARY BIBLIOGRAPHY OF THE GEOLOGY AND...AND MINERAL DEPOSITS OF HONDURAS by Herbert A. Pierce1 and Juan Carlos Rivera Montes2 Open-File Report...Adivsor to the Minister of Natural Resources, Honduras INTRODUCTION This bibliography was created to...to minerals, both metallic and non-metallic, in Honduras. The U.S. Geological Survey's Center for Inter-American...geochemistry, geology, and geophysics in and near Honduras. Unpublished literature and theses were included |  | Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., Fryer, B. J. (2010) The Genesis of Distal Zinc Skarns: Evidence from the Mochito Deposit, Honduras. Economic Geology, 105 (8) 1411-1440 doi:10.2113/econgeo.105.8.1411 | Journal (article/letter/editorial) | | Distal Zinc Skarns: Evidence from the Mochito Deposit, Honduras A. E. WILLIAMS-JONES,1,† I. M. SAMSON...Republic of Ireland Abstract The Mochito deposit, located in Honduras, is a distal Zn(-Pb-Ag) skarn in...faults, is mainly made up of pyroxene (Hd70). Magnetite and pyrrhotite locally form between the garnet...km, interacted with graphitic limestones in the Mochito graben during an episode of mid-Tertiary intraplate...a model of deposit genesis. The Mochito deposit, located in Honduras, contains ~15 Mt of ore grading |  | Xu, Rong, Li, Wen-Chang, Deng, Ming-Guo, Zhou, Jia-Xi, Ren, Tao, Yu, Hai-Jun (2019) Genesis of the superlarge Luziyuan Zn-Pb-Fe(-Cu) distal skarn deposit in western Yunnan (SW China): Insights from ore geology and C-H-O-S isotopes. Ore Geology Reviews, 107. 944-959 doi:10.1016/j.oregeorev.2019.03.015 | Journal (article/letter/editorial) | | marble, through Zn-Pb-Fe-Cu (sphalerite + galena + magnetite ± pyrite + chalcopyrite) ores in pyroxenoid (±...(± clinopyroxene)-bearing skarn, to Fe-Cu (magnetite ± pyrite + chalcopyrite) ores in garnet (± clinopyroxene...Magmatic rocks are scarce in/around the Luziyuan mine, except for sporadic unmineralized diabase dikes..., 2010), which outcrops ~14 km southeast of the mine (Figs. 1B and 2A). Nevertheless, regional gravity...concealed intermediate-felsic pluton at depth under the mine (e.g., Dong, 2007; Dong and Chen, 2007; Zhao et |  | Shu, Qihai, Chang, Zhaoshan, Hammerli, Johannes, Lai, Yong, Huizenga, Jan-Marten (2017) Composition and Evolution of Fluids Forming the Baiyinnuo’er Zn-Pb Skarn Deposit, Northeastern China: Insights from Laser Ablation ICP-MS Study of Fluid Inclusions*. Economic Geology, 112 (6) 1441-1460 doi:10.5382/econgeo.2017.4516 | Journal (article/letter/editorial) | | Western Australia, Perth, WA 6009, Australia 5 Department of Geology, University of Johannesburg, Auckland...preore stage (prograde skarn minerals with minor magnetite), the synore stage (sulfides and retrograde skarn...(0.06–0.52) but lower than that of the distal El Mochito skarn (avg ~6.4), probably reflecting a gradually...Zn-Pb-Cu skarn (Bertelli et al., 2009) and the El Mochito Zn-Pb-Ag skarn (Samson et al., 2008; Williams-Johns...formation of gangue and ore minerals at Bismark. At El Mochito, models using fluid inclusion compositional data |  | | Journal (article/letter/editorial) | | 1 Department of Geological Sciences University of Missouri Columbia, MO 65211 USA 2 Department of Earth...by siliciclastic rocks and limestones at El Mochito, Honduras (Fig. 9; Samson et al., 2008). The EJB aureole...1 and 2 fluids occupy the skarn field of the El Mochito deposit or its proximity, which is distinguished...concentrations compared to the other two environments. The El Mochito inclusions have, however, more elevated trapping...reaction, such as: 2 muscovite + 2 quartz + 2 magnetite = 2 annite + 2 sillimanite + O2 This article |  | | Report (volume) | | International Cooperation Administration, U. S. Department of State UNITED STATES GOVERNMENT PRINTING OFFICE...OFFICE, WASHINGTON a 1957 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL...--------------------------------------British Honduras _____________ ---- __________ ----_-----_____...----------------------------------------------Honduras-------------------------------------------------...system_______________________________ ________ Santa Rosa formation______________________________ Chochallimestone |  | Ding, Teng, Wang, Jia, Tan, Tingting, Ma, Dongsheng, Lu, Jianjun, Zhang, Rongqing, Liang, Jin, Zhu, Chuanwei, Wu, Bin (2021) Accumulation of sulfides in the basement of southern Hunan Province, China: Implications for Pb–Zn mineralization related to reduced granitoids. Ore Geology Reviews, 129. 103939pp. doi:10.1016/j.oregeorev.2020.103939 | Journal (article/letter/editorial) | | 10−6 emu g–1 (Supplementary Table 1). In the magnetite–ilmenite classification diagram (Fig. 7), all...and Baoshan deposits plot in the ilmenite- and magnetite-series fields, respectively. 10 5.2 Trace element...oxidized magnetite-series (Fig. 7). This conclusion is in consistent with the fact that the magnetite is rare..., 2004. Sulfur and lead isotope study of the El Mochito Zn–Pb–Ag deposit. Economic Geology 99, 1223–1231...Z.S., and Meinert, L.D., 2008. The Empire Cu–Zn mine, Idaho: Exploration implications of unusual skarn |  | Siron, Chris R., Thompson, John F.H., Baker, Tim, Darling, Robert, Dipple, Gregory (2019) Origin of Au-Rich Carbonate-Hosted Replacement Deposits of the Kassandra Mining District, Northern Greece: Evidence for Late Oligocene, Structurally Controlled, and Zoned Hydrothermal Systems. Economic Geology, 114 (7) 1389-1414 doi:10.5382/econgeo.4664 | Journal (article/letter/editorial) | | Baker,2 Robert Darling,3 and Gregory Dipple4 1 Department of Earth and Atmospheric Sciences, Cornell University...Vancouver, British Columbia V6C 2B5, Canada Department, State University of New York, Cortland, New...(Svoula Group) Quartz-sericite marble (Svoula Group) Mine (historic, active or development) Normal fault...andradite garnetdiopside ± anhydrite with epidote and magnetite. Retrograde alteration of primary calcic skarn...prograde mineral assemblage of forsteritic olivine, magnetite, and pyrite. Retrograde alteration of primary |  | Palinkaš, Sabina Strmić, Palinkaš, Ladislav A., Renac, Christophe, Spangenberg, Jorge E., Lüders, Volker, Molnar, Ferenc, Maliqi, Gani (2013) Metallogenic Model of the Trepča Pb-Zn-Ag Skarn Deposit, Kosovo: Evidence from Fluid Inclusions, Rare Earth Elements, and Stable Isotope Data. Economic Geology, 108 (1) 135-162 doi:10.2113/econgeo.108.1.135 | Journal (article/letter/editorial) | | Institute of Mineralogy and Petrography, Geological Department, University of Zagreb, HR-10000 Zagreb, Croatia...retrograde mineral assemblage comprises ilvaite, magnetite, arsenopyrite, pyrrhotite, marcasite, pyrite,...Fibroradial arsenopyrite aggregate accompanied with magnetite. F. Photomicrograph, plane-polarized light, represents...represents polished thin section composed of magnetite replaced by arsenopyrite. Opaque minerals are surrounded...grains. G. Close view of the fragment composed of magnetite core and pyritic rim. 0361-0128/98/000/000-00 |  | Zhou, Jinsheng, Yang, Zhusen, Hou, Zengqian, Liu, Yingchao, Zhao, Xiaoyan, Zhang, Xiong, Zhao, Miao, Ma, Wang (2017) The geochemical evolution of syncollisional magmatism and the implications for significant magmatic-hydrothermal lead–zinc mineralization (Gangdese, Tibet) Lithos, 288. 143-155 doi:10.1016/j.lithos.2017.07.004 | Journal (article/letter/editorial) | | collected from outcrops in the Narusongduo MA mine. The weathered rinds were removed in the field....to mafic phases, promoting early amphibole and magnetite crystallization IP T (Sisson and Grove, 1993;...MANUSCRIPT (e. g., cordierite) and the presence of magnetite (Fig. 2D) in the thin sections of the IP T ...spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology 36, CE P 947-950. Sisson, T...distal zinc skarns: evidence from the Mochito deposit, Honduras. Economic Geology 105, 1411-1440. Yang |  | Peng, Hui-juan, Mao, Jing-wen, Hou, Lin, Shu, Qi-hai, Zhang, Chang-qing, Liu, Huan, Zhou, Yun-man (2016) Stable Isotope and Fluid Inclusion Constraints on the Source and Evolution of Ore Fluids in the Hongniu-Hongshan Cu Skarn Deposit, Yunnan Province, China. Economic Geology, 111 (6) 1369-1396 doi:10.2113/econgeo.111.6.1369 | Journal (article/letter/editorial) | | monzonite porphyry and porphyritic granite of the mine area, and the petrography, major, and trace element...Triassic (199–249 Ma) calc-alkaline volcanic rocks, magnetite series granodiorite (diorite), and monzonite granite...(4%, phenocrysts). Accessory minerals include magnetite, zircon, rutile, apatite, and titanite. The quartz...quartz monzonite porphyry is similar to typical magnetite series intrusions, with an average alkali (Na2O...rims (An35–20). Accessory minerals also include magnetite, zircon, rutile, apatite, and titanite. Drill |  | | Journal (article/letter/editorial) | | Skarn Zonation and Fluid Evolution in the Groundhog Mine, Central Mining District, New Mexico LAWRENCE D...andPb/Agratiosall increase toward the distal southwestend of the mine where highestZn, Pb, and total metal grades also...investigationsof single mines (Paige, 1909; Graton, the mine was closed in 1980 due to a combination of 1910;...increasingsmeltercosts. the 2100, 1950, and 1650 mine levels and selective Skarnmetalcontent(baseduponproduction)iszoned...reloggingof more than 100 diamonddrill holes. withinthe mine (Table1) and,in general,copperdeGeologyand Ore Deposits |  | Zhang, Yong-chao, Gao, Shun-bao, Zheng, You-ye, Jiang, Jun-sheng, Zhang, Shu-zhi, Jiang, Xiao-jia, Guo, Xin-ran (2018) Mineralogy, fluid inclusions and C–H–O–S–Pb isotopes of the Palaeocene Longgen Pb-Zn deposit in the western Nyainqentanglha belt, Tibet. Ore Geology Reviews, 102. 18-43 doi:10.1016/j.oregeorev.2018.08.026 | Journal (article/letter/editorial) | | mainly of galena and sphalerite, followed by magnetite, pyrite, pyrrhotite, chalcopyrite, molybdenite...pyroxene and developed intensely retrograde epidote, magnetite, chlorite, and minor tremolite and actinolite...(Figs. 5f-g, 7a-e), pyrite (Figs. 5f, 7b-c), magnetite and pyrrhotite (Figs. 5c-g, 7a-g), and rare bornite...minerals (Figs. 5b-d, 6). A retrograde skarn-magnetite stage (stage II) is characterized by the formation...with a small amount of disseminated and massive magnetite fills the interstices of garnet or replaces pyroxene |  | Schlegel, Tobias U., Wagner, Thomas, Wälle, Markus, Heinrich, Christoph A. (2018) Hematite Breccia-Hosted Iron Oxide Copper-Gold Deposits Require Magmatic Fluid Components Exposed to Atmospheric Oxidation: Evidence from Prominent Hill, Gawler Craton, South Australia. Economic Geology, 113 (3) 597-644 doi:10.5382/econgeo.2018.4564 | Journal (article/letter/editorial) | | the Gawler Range Volcanics and show widespread magnetite-rich alteration. Economic mineralization was formed...sulfide stage I and are hosted in subeconomic magnetite skarns and in the brecciated sedimentary host...hosted orebodies containing tens of percent of magnetite or hematite, with variable amounts of copper,...how are tens of percent and commonly massive magnetite or hematite introduced and precipitated in the...hematite-bearing (Emmie Bluff, Torrens Dam) and magnetite-rich prospects (Murdie-Murdie, Titan; Fig. 1) |  | | Journal (article/letter/editorial) | | authors of the larger studies published at this time (El Shazly et al., 1957; Schroll, 1954, 1955). That is...1940; Warren and Thompson, 1945; Schroll, 1954, 1955; El Shazly et al., 1957), none of these previous authors...responsible for skarn and ore formation at the Continental mine, Fierro, New Mexico, in light of REE analyses and... Fluid inclusions in porphyry and skarn ore at Santa Rita, New Mexico. Econ. Geol. 75, 229–250. Al-Bassam...variance case. J. Am. Stat. MA Assoc. 75, 796–800. El Shazly, E. M., Webb, J. S., Williams, D., 1957. Trace |  | He, Wenyan, Yang, Liqiang, Brugger, Joël, McCuaig, T. Campbell, Lu, Yongjun, Bao, Xinshang, Gao, Xuequan, Lu, Yiguan, Xing, Yanlu (2017) Hydrothermal evolution and ore genesis of the Beiya giant Au polymetallic deposit, western Yunnan, China: Evidence from fluid inclusions and H–O–S–Pb isotopes. Ore Geology Reviews, 90. 847-862 doi:10.1016/j.oregeorev.2016.10.035 | Journal (article/letter/editorial) | | Australia e Mineral Exploration Research Centre, Department of Earth Sciences, Laurentian University, TE...replaced by epidote, amphibole, chlorite, quartz and magnetite. Associated hydrothermal fluids are preserved...plagioclase, quartz, and biotite, and accessory magnetite, zircon, and apatite; and a matrix composed of...K-feldspar, quartz, and biotite, with accessory magnetite, zircon, and apatite. The lamprophyre is phlogopite...massive sulfides and iron oxides (dominantly magnetite). Orebody KT52, intersected by 135 drill holes |  | | Report (volume) | | West 920 Riverside Ave. WASHINGTON, D.C.--U.S. Department of the Interior Bldg., Rm. 2650, 1849 C St.,... U.S. GEOLOGICAL SURVEY BULLETIN 1693 U.S. DEPARTMENT OF THE INTERIOR MANUEL LUJAN, JR., Secretary...volcanic-hosted magnetite, by Dennis P. Cox 172 Grade and tonnage model volcanic-hosted magnetite, by Dan L...of volcanic-hosted magnetite deposits 173 Iron grades of volcanic-hosted magnetite deposits 174 Phosphorus...Phosphorus grades of volcanic-hosted magnetite deposits 174 Tonnages of carbonate-hosted Au-Ag deposits 177 |  | Palinkaš, Sabina, Peltekovski, Zlatko, Tasev, Goran, Serafimovski, Todor, Šmajgl, Danijela, Rajič, Kristijan, Spangenberg, Jorge, Neufeld, Kai, Palinkaš, Ladislav (2018) The Role of Magmatic and Hydrothermal Fluids in the Formation of the Sasa Pb-Zn-Ag Skarn Deposit, Republic of Macedonia. Geosciences, 8 (12) 444 doi:10.3390/geosciences8120444 | Journal (article/letter/editorial) | | Neufeld 1 and Ladislav Palinkaš 5 1 2 3 4 5 6 * Department of Geosciences, Faculty of Sciences and Technology...rajic@gmail.com (K.R.); kai.neufeld@uit.no (K.N.) Mine SASA DOO, Rudarska u. 28, MK-2304 Makedonska Kamenica...Bremen, Germany; danijela.smajgl@thermofisher.com Department of Geology, Faculty of Science, University of...represented by amphiboles, epidote, chlorites, magnetite, pyrrhotite, quartz and carbonates, reflect conditions...chalcopyrite and magnetite. Carbonates and quartz are the most abundant gangue chalcopyrite and magnetite. Carbonates |  | Zhao, Chun-tao, Sun, Jing-gui, Chu, Xiao-lei, Qin, Ke-zhang, Ren, Liang, Xu, Zhi-kai, Liu, Yang, Han, Ji-long, Bai, Cheng-lin, Shu, Wang (2021) Metallogeny of the Ergu Fe-Zn polymetallic deposit, central Lesser Xing’an Range, NE China: Evidence from skarn mineralogy, fluid inclusions and H-O-S-Pb isotopes. Ore Geology Reviews, 135. 104227pp. doi:10.1016/j.oregeorev.2021.104227 | Journal (article/letter/editorial) | | analyses. The ore bodies can be divided into magnetite, magnetite-sphalerite, pyrrhotite-pyrite-arsenopyrite...hornblende and a few magnetite. The oxide stage (I3) is typified by abundant magnetite, with lesser amounts...that the magnetite ore body is developed in the proximal skarn close to granodiorite. (B) Magnetite develops...retrograde skarn. (C) Chalcopyrite occurs in magnetite ore body in veinlet or disseminated form. (D)...the Ergu Fe-Zn polymetallic deposit. (A) The magnetite- bearing skarn was cut through by late carbonate |  | Lee, Jun Hee, Yoo, Bong Chul, Yang, Yun-Seok, Lee, Tong Ha, Seo, Jung Hun (2019) Sphalerite geochemistry of the Zn-Pb orebodies in the Taebaeksan metallogenic province, Korea. Ore Geology Reviews, 107. 1046-1067 doi:10.1016/j.oregeorev.2019.03.030 | Journal (article/letter/editorial) | | Yun-Seok Yang1, 3, Tong Ha Lee1, Jung Hun Seo1* 1. Department of Energy and Resources Engineering, Inha University...closed mine sites (Gagok, Janggun, Shinyemi, Imog, Seongwoo, Seojin, and Sangdong) and from the mine dumps...mining district. The Zn-Pb orebodies of the closed mine in Sagok were explored by the Korean Youngpoong...metallogenic province. It is an active underground mine. The carbonate replacement orebodies in the Janggun...including Pb-ZnAg, Mn, and Fe (Lee et al., 1990). The mine had produced Zn-Pb at a monthly ore production rate |  | | Report (issue) | | Development Preparado con Ia cooperacion de Ia Agencia para el Desarrollo lnternacional Errata for Circular 1006...Circular 1006, que fueron hechas par un contratista para el U.S. Geological Survey, contienen series errores...hacen que el texto sea confuse. Para evitar esos errores se debe considerar como valido el texto original...continuaci6n Ia lista de autores par arden alfabetico con el idioma del texto original. Ashley y Berger Bennet...haya ocurrido. El idioma original de los lnformes de Discusi6n de Grupo fue en ingles El idioma original |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...assemblage of the vein-dike consists of ilmenite. magnetite, anatase, biotite, microcline and minor fluorapatite...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...well as good specimens of epidote, pyroxene, magnetite, titanite and other species. Equant, complex crystals |  | | Report (issue) | | United States Department of the Interior Geological Survey Modelos de Yacimientos Minerales For Dennis...en el modelaje de yacimientos minerales. Los colegos del Geological Survey de Canada preceden el presente...canadiense. En la industria minera es bien conocido el axioma que dice que cualquiera escusa sufice para...han descubierto mas yacimientos minerales. Aunque el concepto de modelos ha sido utilizado por muchos...Mississiippi Valley no se puede haber originado de uno o el otro los procesos singeneticos o de las aguas superficiales |
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