 | | Journal (article/letter/editorial) |
| minerals Article Near Real-Time Classification of Iron Ore Lithology by Applying Fuzzy Inference Systems...times cannot beat the shovel. We propose that for iron ore deposits in the Pilbara geophysical downhole logging...differentiate between different rock types of iron ore deposits and for grade estimation. We exploit...gamma-gamma density tool to gather both density and iron content with a single geophysical measurement. This...logging-while-drilling technologies for real-time iron ore grade estimation and lithological classification |
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| mineralogical information concerning a Precambrian iron deposit in Kakun, southwestern Nigeria is presented...intrusives including pegmatites and aplites. The ore-grade zone is marked by preferential concentration...conditions; mineral segregation of the sill into an ore-rich base by crystal settling during consolidation;...post-consolidation pulse of anorthosite melt injection into the ore zone. The second stage occurred under conditions...preferential shearing and amphibolitisation of the ore-poor upper part of the sill. Zusammenfassung Die |
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| GO_19_GO19_OpenType 2/15/11 12:39 PM Page 1 IRON ore potential in GREENLAND No. 19 - March 2011 GO_19_GO19_OpenType...2 GEOLOGY AND ORE 19 / 2011 Iron ore potential in Greenland The Greenland iron ore potential is mainly...mainly based on Archaean sedimentary and chemical iron deposits (BIF). However, notable occurrences related...demonstrated prominent iron ore accumulations. BIF type occurrences deliver the majority of iron ore and are amongst...important iron sources. Greenland also has vast potentials in deposits related to banded iron formations |
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| unknown origin are present in the Livengood-Tofty region (Foster, 1979). Both ophiolitic complexes and...ophiolites in Alaska, those in the Gulf of Alaska region most resemble MORB-type ophiolites (oral commun...western Alaska The northern and western Alaska region contains four metallogenic provinces that are associated...chromitites in dunite and peridotite and with iron- and iron-copper-nickel-sulfide minerals in gabbros and...Platinum-group elements occurring as native platinum, iron-platinum alloy, and osmiridium are present in gold |
 | Cabral, Alexandre Raphael, Lehmann, Bernd, Gomes, AntĂŽnio Augusto Seabra, PaĆĄava, Jan (2016) Episodic negative anomalies of cerium at the depositional onset of the 2.65-Ga Itabira iron formation, QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil. Precambrian Research, 276. 101-109 doi:10.1016/j.precamres.2016.01.031 | Journal (article/letter/editorial) |
| at the depositional onset of the 2.65-Ga Itabira iron formation, QuadrilaÌtero FerrıÌfero of Minas Gerais...at the depositional onset of the 2.65-Ga Itabira iron formation, QuadrilaÌtero FerriÌfero of Minas Gerais...Formation grades upward into to the 2.65-Ga Itabira iron formation. 6 ï·ï Low Th/U ratios with and without...the depositional 11 onset of the 2.65-Ga Itabira iron formation, QuadrilĂĄtero 12 FerrĂfero of Minas...transition to the 25 overlying 2.65-Ga Itabira iron formation, or CauĂȘ Itabirite, in the QuadrilĂĄtero |
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| Ore Geology Reviews 66 (2015) 309â333 Contents lists available at ScienceDirect Ore Geology Reviews...www.elsevier.com/locate/oregeorev Microplaty hematite ore in the Yilgarn Province of Western Australia:...Australia: The geology and genesis of the Wiluna West iron ore deposits Desmond F. Lascelles a,â, David S. Tsiokos...17 November 2014 Keywords: Iron ore Microplaty hematite Specular hematite BIF Archean Yilgarn Province...(~130 Mt) high-grade bedded hematite ore deposits, consisting of anhedral hematite mesobands interbedded with |
 | Sylvestre, Ganno, Timoleon, Ngnotue, Gus Djibril, Kouankap Nono, Jean Paul, Nzenti, Marianne, Notsa Fokeng (2015) Petrology and geochemistry of the banded iron-formations from Ntem complex greenstones belt, Elom area, Southern Cameroon: Implications for the origin and depositional environment. Geochemistry, 75 (3) 375-387 doi:10.1016/j.chemer.2015.08.001 | Journal (article/letter/editorial) |
| de/chemer Petrology and geochemistry of the banded iron-formations from Ntem complex greenstones belt, Elom...July 2015 Accepted 2 August 2015 Keywords: Banded iron-formation Hydrothermal ïŹuids Seawater Ntem greenstones...greenstones belt Cameroon a b s t r a c t Banded iron-formations (BIFs) form an important part of the Archaean...study, major, trace and REE chemistry of the banded iron-formation are utilized to explore the source of...BIF belongs to the oxide facies iron formations composed mainly of iron oxide (mainly magnetite) mesobands |
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| Publications Online First A mineral system approach to iron ore in Archaean and Palaeoproterozoic BIF of Western...on July 17, 2014 A mineral system approach to iron ore in Archaean and Palaeoproterozoic BIF of Western...paper examines banded iron formation-hosted higher-grade (.58 wt% Fe) iron ore types present in the two...Province. The principal iron ore deposits from both districts exhibit variation in ore properties and genesis...critical elements involved in iron ore formation and preservation: (a) BIF iron fertility defined by stratigraphic |
 | Ganno, Sylvestre, Moudioh, Cyriel, Nzina Nchare, Adjija, Kouankap Nono, Gus Djibril, Nzenti, Jean Paul (2016) Geochemical Fingerprint and Iron Ore Potential of the Siliceous Itabirite from Palaeoproterozoic Nyong Series, Zambi Area, Southwestern Cameroon. Resource Geology, 66 (1) 71-80 doi:10.1111/rge.12081 | Journal (article/letter/editorial) |
| Short Communication Geochemical Fingerprint and Iron Ore Potential of the Siliceous Itabirite from Palaeoproterozoic...Abstract The study area forms part of an emerging iron ore province of southern Cameroon. Geochemistry analyses...composition; suggesting chemical precipitates of silica and iron. Low Al2O3 and TiO2 concentrations and a weak positive...hydrothermal ïŹeld. The studied samples have low iron content (about 39.32% Fe), high gangue content (40...mineral is silica which can be efïŹciently removed from iron ores during preparation of raw materials for the |
 | | Book (edition) |
| minerals is imparted by transition elements, especially iron, manganese, titanium, chromium, and copper. Despite...USSR, in translation, 1966). INTRODUCTION The Ore Minerals and Their Intergrowths, 2d ed., Vols. 1...fibrous, conchoidal, etc. gangue The portion of an ore that is not economically valuable. gem A mineral...sulfide deposit; contains a concentration of hydrated iron oxide. habit The characteristic crystal form of...mass; (2) a concretionary lump of manganese and iron oxides found on ocean bottoms. occurrence The physical |
| | Book (edition) |
| minerals is imparted by transition elements, especially iron, manganese, titanium, chromium, and copper. Despite...USSR, in transla[ion , 1966). INTRODUCTION The Ore Minerals and Their Intergrowths, 2d ed., Vols. 1...fibrous, conchoidal, etc. gangue The portion of an ore that is not economically valuable. gem A mineral...sulfide deposit; contains a concentration of hydrated iron oxide. habit The characteristic crystal form of...mass; (2) a concretionary lump of manganese and iron oxides found on ocean bottoms. occurrence The physical |
 | Duan, Shigang, Zhang, Zuoheng, Jiang, Zongsheng, Zhao, Jun, Zhang, Yongping, Li, Fengming, Tian, Jingquan (2014) Geology, geochemistry, and geochronology of the Dunde ironâzinc ore deposit in western Tianshan, China. Ore Geology Reviews, 57. 441-461 doi:10.1016/j.oregeorev.2013.08.019 | Journal (article/letter/editorial) |
| Pages 21 Ore Geology Reviews xxx (2013) xxxâxxx Contents lists available at ScienceDirect Ore Geology...geochemistry, and geochronology of the Dunde ironâzinc ore deposit in western Tianshan, China Shigang Duan...August 2013 Available online xxxx Keywords: Skarn iron deposit Fluid inclusions Sulfur isotopes UâPb dating...Dunde Tianshan China a b s t r a c t The Dunde ironâzinc deposit (185 Mt at 35% Fe), located in the...the ore lacks any clear spatial link with intrusive rocks. Four stages of skarn formation and ore development |
 | Anderson, Eric D., Monecke, Thomas, Hitzman, Murray W., Zhou, Wendy, Bedrosian, Paul A. (2017) Mineral Potential Mapping in an Accreted Island-Arc Setting Using Aeromagnetic Data: An Example from Southwest Alaska. Economic Geology, 112 (2) 375-396 doi:10.2113/econgeo.112.2.375 | Journal (article/letter/editorial) |
| complexes, intrusion-related Au, and granitoid Sn-W ore deposits in southwest Alaska supports current metallogenic...YukoColumb h s i t i Klukwan Br Greens Creek Snettisham Iron Salt Chuck Coo Fig. 2 let Al Neacola ask ...Paleogene igneous rocks crop out extensively in the region (Fig. 2). These intrusive rocks commonly exhibit...Alaska-Aleutian Range, the Johnson River AuZn-Cu-Pb VMS prospect (Fig. 2) contains an inferred resource of approximately... 0.7% Pb, and 8.4 g/t Au (Steefel, 1987). The prospect is hosted by dacitic volcaniclastic rocks of the |
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| EXECUTIVE EDITORS Rudy Bradbury Vice President for Region I, Eastern Federation of Mineralogical and Lapidary...Mother Lode District of California. This precious ore is the state mineral of California. See R. V. Dietrich's...of muscovite on the front door of Grandma's old iron stove. It was used in this manner because, although...is normally present in muscovite) is replaced by iron and magnesium. This species of mica varies in composition...occasionally as lenses in the iron-bearing zones of the Wilagedera iron ore prospect in the Northwestern Province |
 | | Book (edition) |
| formulas. We have indicated the ionic charge on iron and manganese. Hardness: Mineralogists have long...minerals is imparted by transition elements, especially iron, manganese, titanium, chromium, and copper. Despite...published by the Mineralogical Record, Inc. "The Ore Minerals and TI1eir Intergrowths," by Paul Ramdohr...fibrous, conchoidal, etc. gangue The portion of an ore which is not economically valuable. gem A mineral...mass; (2) a concretionary lump of manganese and iron oxides found on ocean bottoms. occurrence The physical |
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| particularly of the Hyderabad region were made by Dr. H. W. Voysey (1820), Malwa Region by Captain P. Dangerfield...account of the Geology & Mineral Resources of this region incorporating the voluminous database generated...database on mineral resource and geology of southern region but also an integrated and comprehensive evaluation...iii) Deccan Plateau and iv) Western Ghats. The region mostly comprises of the Deccan Plateau, flanked...compile the Geology and Mineral Resources of the region so that it would be very handy, quite useful and |
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| Tungstar mine__________________ Yaney tungsten prospect, Bishop district_________________ San Bernardino...Elizabethtown district________________ Raton volcanic region.__________________ Geology... _ __________ Occurrence...____--___-_____._Cuchillo Negro district._________________ Iron Mountain district._________________ Socorro Cou...River district--....--.-__________ Trans-Pecos Region, Texas and New Mexico, by W. T. Holser__--_-_._---_______..._____ Centennial district._____________________ Iron Mountain.________________________ Rambler mine_ |
 | Anderson, E. D., Hitzman, M. W., Monecke, T., Bedrosian, P. A., Shah, A. K., Kelley, K. D. (2013) Geological Analysis of Aeromagnetic Data from Southwestern Alaska: Implications for Exploration in the Area of the Pebble Porphyry Cu-Au-Mo Deposit. Economic Geology, 108 (3) 421-436 doi:10.2113/econgeo.108.3.421 | Journal (article/letter/editorial) |
| cutoff (Lang et al., 2013), has made this remote region highly prospective for porphyry copper deposits...deposit and allow the recognition of areas within the region with magnetic patterns similar to Pebble, several...Index map. B. Lithotectonic terrane map of the region. Exotic oceanic terranes (Peninsular and Togiak...Known mineral occurrences in the Pebble region The Pebble region hosts numerous mineral occurrences (Fig...Kijik, Neacola, and Iliamna prospects. The Kijik prospect contains veins and disseminated pyrite, pyrrhotite |
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| Fig. 4 Geology of Bobong Prospect . . . . . facing page 74 Bobong Prospect. Geochemical soil anomalies...geophysical survey Bobong Prospect. Line 800 ft north Geophysical survey page 79 Bobong Prospect. Section of diamond...reference to gemstone mining' Mr J. Lang, of Continental Ore Corporation, described how a private company with...REFERENCES DUNHAM, K. C. 1 963. Earth science and ore science, Presidential Address. Trans. lnstn Min....work has been mainly concentrated in the Northern region and at the end of the 1 968 field season the whole |
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| quarry south of West Chester, and the French Creek iron mines. One of the most active collectors during...case of H 2 O. The following analysis of "chrome ore" from Wood's mine by Garrett (1852: 45) lies may... 1919. William Harvey Emmons, The enrichment of ore deposits: U. S. Geol. Surv. Bull. Amadeus W. Grabau...pyrrhotite, pentlandite; Element: DYNAMIC-METAMORPHS iron. : Metasilicates, amphiboles: hornblende; Orthosilicates:...pyrrhotite, pentlandite, chalcopyrite Elements: diamond, iron, platinum. ; HYDROTHERMAL METAMORPHS: anthophyllite |
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| District, Karnataka Bottom Left: Haematite Bayyaram iron ore belt west of Motlatimmapuram, Khammam District...Andhra Pradesh. Economic Geology of Southern Region PREFACE Since the inception of the Geological...the data pertaining to mineral resource of the region and bring out a publication. The Southern India...different types of maps of the Organisation. The region has 105 mineral belts where different stages of...the data pertaining to economic minerals of the region. The volume attempts to present a comprehensive |
 | | Report (volume) |
| between metallogeny and crustal evolution of this region has not yet been published, except some scattered...and their relation to tectonics of the Himalayan region, though a formidable task, is long overdue. This...mineral resources and tectonics of the Himalayan region, but also an integrated and comprehensive evaluation...between metallogeny and geodynamic evolution of this region. The problem of spatial and temporal distribution...occurrenïżœes of this synthesis and consolidation region. I feel confident that this publication will contribute |
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| builds and maintains roads for trucks hauling copper ore and approximately 25,000 tons of waste per day from...will dig for it, the earth offers a rich harvest of ore and metal. But the men must turn to machines .. ...quarry, and construction jobs. For moving rock, ore, overburden and other heavy excavation, ââEucsâ have...for every mining requirement! â Dings s maximum iron rovide ectromagnet P e pole design for great Rectangu'ar...Wherever crushers must be protected against tramp iron, wherever magnetic separation can contribute to |
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| ... ... ..... ....... 22 Kiihtelysvaara- Onega region .......... ............. ........................................ .......... 48 Central Lapland region ... .. ... .. ... ..... ... .. ... .... ..... ...ured using Cu-K" radiation , first scanning the 28 region from 2r LO 32 ° and then counting the peak intensities...(Huhm a et a!. , 199 1). Kiihtelysvaara-Onega region Geologie setting Th e sedim e ntar y sequ e nces...sampie locations of the Kiihtel ysvaara-O nega region in southern Karelia based largely upo n informati |
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| in Finland Heikki Papunen: One hundred years of ore exploration in Finland ..... Matti Ketola: The development...among the first to appear on the pages of history. Iron was first known in Egypt about 8,000 years aga and...modern geology. Until then iron had been made in Finland of lake or bog ore in the small furnaces of the...Finnish national epic, »Rauan synty ruostehesta » (Iron is born of rust). In 1542 , Erik Flemming opened...be and eager/ albeit without greed/ to seek for ore and mine the earth. In the next century, true scientific |
Iron ore prospect, Lalamila, Sotouboua Prefecture, Centrale Region, Togo