 | | Journal (article/letter/editorial) | | 1119–1126 FIRST OCCURRENCE OF ILVAITE IN A GOLD SKARN DEPOSIT MARTA B. FRANCHINI,† CONICET-CIMAR, Facultad...the Fortitude Au skarn deposit, Nevada, the first reported occurrence in a Au skarn deposit. Ilvaite...(Hd91–96 Jo3–5) in magnetite-rich exoskarn near the skarn-marble contact and replacing calcite grains at the...analyses show that the ilvaite from the Fortitude Au-skarn is similar in composition to ilvaite from Fe skarns...activities and low-fO2 conditions that characterize both skarn types and their associated intrusions. Similarly |  | Markowski, Agnès, Vallance, Jean, Chiaradia, Massimo, Fontboté, Lluìs (2006) Mineral zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador. Mineralium Deposita, 41 (4) 301-321 doi:10.1007/s00126-006-0062-x | Journal (article/letter/editorial) | | zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador Received: 24 February 2005...oxidized gold skarn deposit is located in the northern part of the Nambija gold district, southern Ecuador...3, Mine 1, Mine 2, and Southern Sector. Massive skarn bodies occur in K–Na metasomatized volcanic and...porphyritic intrusion which crops out below the skarn bodies in Mine 2 and the Southern Sector. Endoskarn...magnetite assemblage (K-alteration), suggesting that skarn formation is directly related to the quartz–diorite |  | | Journal (article/letter/editorial) | | Mineralization in the McLarenDeposit, New World District,ParkCounty,Montana TODDW. JOHNSON ø ANDLAWRENCE...Au-Cu-Agskarnand replacementdepositsin the CookeCity, in Park County, Montana,and extends ø Presentaddress:NorandaExploration...xploration,Inc., P.O. Box 7176, Reno, Nevada 89510. 0361-0128/94/1591/969-25 $4.00 southward into northernWyoming...Leadandsilver-bearing ore wasfirstdiscovered in the New World district in 1869. Numerous small de- 9 69 970 JOHNSON...exploitation. of the Au, Cu, andAg productionwithin the district. the Como sediment-hostedAu-Cu-Ag deposit was |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Evolution of the Mo-rich scheelite skarn mineralization at Kozbudaklar, Western Anatolia...r a c t The Kozbudaklar scheelite skarn deposit in the Tavşanlı Zone, located approximately 22 km southeast...stages have been recognized through skarn evolution. Scheelite skarn distributed close to the Topuk Pluton...stage and intense fracturing. Fluid inclusions from skarn rocks are indicative of multiple fluid events: (1)...in stage 4. These data show that the Kozbudaklar skarn deposit was formed in a magmatic–hydrothermal system |  | Zheng, Wenbao, Tang, Juxing, Zhong, Kanghui, Ying, Lijuan, Leng, Qiufeng, Ding, Shuai, Lin, Bin (2016) Geology of the Jiama porphyry copper–polymetallic system, Lhasa Region, China. Ore Geology Reviews, 74. 151-169 doi:10.1016/j.oregeorev.2015.11.024 | Journal (article/letter/editorial) | | performed by members of the Jiama Exploration Project Team over a AC period of 6 years. We propose...system is composed of skarn Cu–polymetallic, hornfels Cu–Mo, porphyry Mo ± Cu, and distal Au mineralization...of skarn Cu–polymetallic orebodies at the Jiama deposit was controlled mainly by the contact zone between...fracture system related to intrusions, and the distal Au mineralization resulted from late-stage hydrothermal...exoskarn includes garnet–pyroxene and wollastonite skarn, in which the ACCEPTED MANUSCRIPT mineralogy and |  | Vikentyev, I.V., Tyukova, E.E., Vikent'eva, O.V., Chugaev, A.V., Dubinina, E.O., Prokofiev, V.Yu., Murzin, V.V. (2019) Vorontsovka Carlin-style gold deposit in the North Urals: Mineralogy, fluid inclusion and isotope data for genetic model. Chemical Geology, 508. 144-166 doi:10.1016/j.chemgeo.2018.07.020 | Journal (article/letter/editorial) | | ABSTRACT The Vorontsovka gold deposit in the Tagil zone, North Urals, hosts 101 t Au, averaging 7 g/t Au...regolith, and 120 t Ag, averaging 8 g/t Ag. Early skarn-magnetite mineralisation related to a dioritic intrusion...were formed at 510–240 °C (including magnetite skarn), whereas MA overprinting Carlin-style gold-(Fe...mineral district in the Krasnoturyinsk area, Ekaterinburg region, is situated RI to the Tagil zone restricted...Uralian Fault in the west (Fig. 1). The mineral district, including the Vorontsovka Au deposit, covers |  | Su, Qiangwei, Mao, Jingwen, Sun, Jia, Zhao, Linghao, Xu, Shengfa (2020) Geochemistry and Origin of Scheelites from the Xiaoyao Tungsten Skarn Deposit in the Jiangnan Tungsten Belt, SE China. Minerals, 10 (3) 271 doi:10.3390/min10030271 | Journal (article/letter/editorial) | | Origin of Scheelites from the Xiaoyao Tungsten Skarn Deposit in the Jiangnan Tungsten Belt, SE China...with garnet in the proximal zone (Sch1a) and with pyroxene in the distal zone (Sch1b), (2) scheelite replaced...granodiorite and modified by the precipitation of skarn minerals. Sch1b and Sch2b are characterized by low...Y/Ho ratios of scheelite gradually increase from skarn to quartz vein stages, due to fluid fractionation...fluid–rock interactions and fluid mixing. Keywords: skarn system; scheelite; texture; REE; redox state 1 |  | | Book | | 310 Pillsbury Drive S. E. Minneapolis, MN 55455, USA Volumes 1 to 9 in this series appeared under the...are of considerable aid to the exploration and mining geologist in areas of known mineralization, but...advanced undergraduate and graduate levels, and to mining and exploration geologists. lowe no small debt...and to Peter Wyllie for initially suggesting the project and for encouragement during its evolution. Frederick...Suggestions for Exploration ............... 40 42 1.4 Skarn Deposits .......................... 43 1.4.1 Distribution |  | | Journal (article/letter/editorial) | | Variations of Silicate and Sulfide Minerals in the Pb-Zn Skarn Deposits, Biga Peninsula, NW Turkey Sinan Akıska...Variations of Silicate and Sulfide Minerals in the Pb-Zn Skarn Deposits, Biga Peninsula, NW Turkey, Ore Geology...Variations of Silicate and Sulfide Minerals in the Pb-Zn Skarn Deposits, Biga Peninsula, NW Turkey Sinan Akıska...Mo deposits. Pb-Zn skarn mineralizations in the Biga Peninsula (Biga Pb-Zn skarn) are bounded by carbonate...chemistry data indicate that Biga Pb-Zn skarn deposits and distal Pb-Zn skarn deposits throughout the world have |  | | Journal (article/letter/editorial) | | Comment on “Two-tiered magmatic-hydrothermal and skarn origin of magnetite from Gol-e-Ghohar iron ore deposit...Habibeh Atapour a,*, Alijan Aftabi b aDepartment of Mining Engineering, Shahid Bahonar University of Kerman...were the main source of magmatichydrothermal and skarn magnetite mineralization during Middle Mesozoic...granodiorite-related magnesian skarn halo and hydrothermal feeder zone on the geological map-cross section...indicate further concealed BIFs in the Sanandaj-Sirjan Zone. Key words: Magnetite, Discrimination diagrams, |  | | Report (volume) | | 5808 South Rapp St., Suite 209 Littleton, CO 80120 USA Telephone: (303) 797-0332 FAX: (303) 797-0417 Price... oh tee seareae 203 The Banska Stiavnica Ore District: Relationship between Metallogenetic Processes...Slovakia, and many other deposits (e.g. several mining districts in the Oas-Gutai Mtns., Tokaj Mtns.,...to rich mining cities whose splendor still lasts, and also supported the development of mining technologies...treatise on medieval mining methods by Agricola is based on his experience from these mining districts. In the |  | | Journal (article/letter/editorial) | | SÏtohl á V. KonecÏny The Banska Stiavnica ore district: relationship between metallogenetic processes...Abstract The Banska Stiavnica ore district is in the central zone of the largest stratovolcano in the...have been identi®ed in the Banska Stiavnica ore district: 1. Quartz-pyrophyllite-pyrite high-sulphidation...related to the diorite intrusion. 2. Magnetite skarn deposits and occurrences at contacts of the granodiorite...pyrophyllite, kaolinite, illite and pyrite. 4. Porphyry/skarn copper deposits and occurrences related to gran |  | | Book | | A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended Reading...9. SKARN DEPOSITS 9.1. Introduction 9.2. Skarns and Skarn Deposits 9.3. Types of Skarns and Skarn Deposits...a generous grant toward the completion of this project. This book would not have been completed without...comprising >50% of the host rock Tabular An ore zone that is extensive in two dimensions, but has a restricted...Diamond in kimberlite pipes Footwall alteration zone of volcanic-hosted massive sulfide deposits (see |  | | Journal (article/letter/editorial) | | Neoproterozoic banded iron formations (BIFs) at Bafq mining district (BMD), Central Iran: The possible Ediacaran...Neoproterozoic banded iron formations (BIFs) at Bafq mining district (BMD), Central Iran: The possible Ediacaran...link of BIFs in Tethyan metallogeny PT Bafq mining district (BMD), Central Iran: The possible Ediacaran...pyrolusite-jaspilite deposits in the Bafq mining district (BMD) contain more than 1.7 Gt ores with an...occur in proximal zone of magnetite-rich albitized rhyolite (keratophyres), interdistal zone of rhyolitic |  | Demir, Yılmaz, Uysal, İbrahim, Kandemir, Raif, Jauss, Andrea (2017) Geochemistry, fluid inclusion and stable isotope constraints (C and O) of the Sivrikaya Fe-skarn mineralization (Rize, NE Turkey) Ore Geology Reviews, 91. 153-172 doi:10.1016/j.oregeorev.2017.10.008 | Journal (article/letter/editorial) | | Isotope Constraints (C and O) of the Sivrikaya Fe-Skarn Mineralization (Rize, NE Turkey) Yılmaz Demir, İbrahim...Isotope Constraints (C and O) of the Sivrikaya Fe-Skarn Mineralization (Rize, NE Turkey), Ore Geology Reviews...Isotope Constraints (C and O) of the Sivrikaya Fe-Skarn Mineralization (Rize, NE Turkey) Yılmaz Demir1*...demir@erdogan.edu.tr) 2 Abstract The Sivrikaya Fe-skarn mineralization is hosted by dolomitic limestone...Granitoid in the volcano-sedimentary unit resulted in skarn mineralization along the granitoid–dolomitic limestone |  | Mohseni, Sadegh, Aftabi, Alijan (2012) Comment on “Significance of apatite REE depletion and monazite inclusions in the brecciated Sehchahun iron oxide–apatite deposit, Bafq district, Iran: Insights from paragenesis and geochemistry” by Bonyadi, Z., Davidson,G.J., Mehrabi, B., Meffre, S., Ghazban, F [Chem. Geol. 281, 253–269]. Chemical Geology, 334. 378-381 doi:10.1016/j.chemgeo.2012.09.041 | Journal (article/letter/editorial) | | brecciated Sehchahun iron oxide–apatite deposit, Bafq district, Iran: Insights from paragenesis and geochemistry”...a brecciated proximal zone of magnetite bearing keratophyres and a distal zone of diamictite-rich Jaspilites...constraints on the genesis of Sehchahun and other Bafq mining Fe–P deposits as IOCG ores. Previous studies (Sillitoe...tectonic regime of the Sehchahun and Bafq mining district has been interpreted as a rift (Berberian and...aspects of the Sehchahun deposit such as proximal zone of magnetite-rich keratophyres, interdistal S |  | Mao, Jingwen, Zhou, Yunman, Liu, Huan, Zhang, Changqing, Fu, Degui, Liu, Bo (2017) Metallogenic setting and ore genetic model for the Beiya porphyry-skarn polymetallic Au orefield, western Yunnan, China. Ore Geology Reviews, 86. 21-34 doi:10.1016/j.oregeorev.2017.02.003 | Journal (article/letter/editorial) | | setting and ore genetic model for the Beiya porphyry- skarn polymetallic Au orefield, western Yunnan, China...setting and ore genetic model for the Beiya porphyry- skarn polymetallic Au orefield, western Yunnan, China...Sciences, No. 26 Baiwanzhuang Street, Xicheng District, Beijing 100037, China E-mail: jingwenmao@263...western Yunnan, China, is a world-class porphyry–skarn polymetallic Au orefield that is currently being...orebodies in the cupolas to the intrusions, 2) Au–Fe–Cu skarn orebodies along contact zones between the alkaline |  | | Journal (article/letter/editorial) | | 2000, pp. 1319–1337 A Low F Pegmatite-Related Mo Skarn from the Southwestern Grenville Province, Ontario...Beppa, Oita, Japan 874-0903 Abstract The Hunt Mo skarn deposit is one of the best examples of a late tectonic...tectonic, granitic pegmatite-related, skarn system in the Grenville province. An Re-Os age of 1069 ± 11...molybdenite crystal (6.4 ppm Re) hosted in proximal skarn (sample 50O) consistent with a contact metasomatic...and P contents. The reduced marginal magnesian skarn is well zoned geochemically, mineralogically, and |  | | Journal (article/letter/editorial) | | zoned skarn garnet: Implications for multi-stage fluxing and flow of magmatic fluid into a skarn system...zoned skarn garnet: Implications for multi-stage fluxing and flow of magmatic fluid into a skarn system...flux–flow model for a shallow crustal system related to skarn 3 formation was established using oscillatory...mineral textures, these fluid 13 fluxes in the skarn system were controlled by pulsed degassing of a...relatively 21 long time. 22 Keywords: Garnet; Skarn; Trace elements; Magma processes; Oscillatory zoning |  | | Journal (article/letter/editorial) | | Jersey, 610 Taylor Road, Piscataway, NJ 08854-8066, USA. E-mail: xiongyl@rci.rutgers.edu b Department of...University of Idaho, Box 443022, Moscow, ID 83844-3022, USA. E-mail: swood@uidaho.edu Article Received 4th...mechanisms for Re in porphyry copper–molybdenum and skarn molybdenum–(tungsten) deposits. In addition, our...copper–molybdenum and skarn tungsten–molybdenum systems Molybdenite in porphyry copper–molybdenum and skarn tungsten–molybdenum...field observations on rhenium mineralization in skarn tungsten–molybdenum and porphyry copper–molybdenum |  | | Journal (article/letter/editorial) | | minerals Article Mineralogy of Skarn Ores from Băit, a-Bihor, Northern Apuseni Mountains, Romania: A...Blidar Contact orebodies from the Băit, a-Bihor skarn deposit, Romania have been investigated using optical...stannite; electron probe microanalysis; Băit, a-Bihor skarn deposit 1. Introduction The Băit, a-Bihor ore deposit...Băit, a village. This deposit together with the Fe skarn deposits at Băis, oara (Mas, ca, Mas, ca Băis, oara...[1] (Figure 1a). Băit, a-Bihor is a polymetallic skarn deposit consisting of tens of individual orebodies |  | | Journal (article/letter/editorial) | | Bafq and Zanjan districts in Iran, the Great Bear zone in Canada, the Adirondack and Missouri districts...At Luohe, marine evaporite layers appear in the mining area and have a close spatial relationship with...located in the western part of the Luzong ore district, which is one of the major Fe ore districts in...China (Figure 1). The strata of the Luzong ore district can be divided into three parts: (1) pre-Sinian...trachyandesite of the Shuangmiao Formation occur in the mining area [13,34,57–59]. There are three types of ores |  | Pons, Josefina, Franchini, Marta, Meinert, Lawrence, López-Escobar, Leopoldo, Maydagán, Laura (2010) Geology, petrography and geochemistry of igneous rocks related to mineralized skarns in the NW Neuquén basin, Argentina: Implications for Cordilleran skarn exploration. Ore Geology Reviews, 38 (1) 37-58 doi:10.1016/j.oregeorev.2010.05.006 | Journal (article/letter/editorial) | | basin, Argentina: Implications for Cordilleran skarn exploration Josefina Pons a,⁎, Marta Franchini a...rocks can be used to predict the metal potential of skarn prospects of the Andes Cordillera of Argentina....have higher Au concentrations. In the Caicayén district, small skarns with sub-economic Cu concentrations...reserved. doi:10.1016/j.oregeorev.2010.05.006 Skarn size and economic importance range from outcrops...porphyry-style alteration and mineralization (Caicayén District; Casé and Malvicini, 1999; Franchini et al., 2000) |  | Catchpole, H., Kouzmanov, K., Putlitz, B., Seo, J. H., Fontbote, L. (2015) Zoned Base Metal Mineralization in a Porphyry System: Origin and Evolution of Mineralizing Fluids in the Morococha District, Peru. Economic Geology, 110 (1) 39-71 doi:10.2113/econgeo.110.1.39 | Journal (article/letter/editorial) | | Evolution of Mineralizing Fluids in the Morococha District, Peru Honza Catchpole,1,†,* Kalin Kouzmanov,1...polymetallic mineralization) in the Morococha district, central Peru, is part of a large magmatic-hydrothermal...Toromocho porphyry Cu-Mo deposit in the center of the district and display a typical concentric base metal zonation...constitute economically important Zn, Pb, Ag, and Cu mining districts that are centered on porphyry Cu ± Au...systems can comprise areas larger than 50 km2 with a district-scale metal zonation of Cu, Mo → Zn, Pb → Ag, |  | | Journal (article/letter/editorial) | | granodiorites (southwest Romania) and of associated skarn mineralisation Received: 4 August 1998 / Accepted:...triggered the formation of a classic Fe-(Pb-Zn) skarn deposit. The intrusive is related to the larger...99164±2812, USA e-mail: stefan_nicolescu@wsu.edu, Fax: +1 509 3357816 The Fe-(Zn-Pb) skarn deposits of...of the Ocna de Fier and Dognecea district of Romania are located at the western limit of the South Carpathians...years and intensely studied for 200 years. The ore district was known as VaskoÈ-Moravitza and DognaÂcska in |
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