 | | Journal (article/letter/editorial) | | University Auburn, Alabama 36849 cookrob@auburn.edu Magnetite Zinc Corporation of America Mine No. 4, St. Lawrence...these early attempts to produce iron were from magnetite occurrences, some of which were the source of...that exploited magnetite ores. Interestingly, some of the most spectacular magnetite specimens to be...Corporation of America mine No. 4 at Balmat. Magnetite is one of many black, metallic to submetallic...density is 5.20. It is, of course, quite magnetic. Magnetite Dr. Robert B. Cook, an executive editor of Rocks |  | Mavrogonatos, Constantinos, Voudouris, Panagiotis, Berndt, Jasper, Klemme, Stephan, Zaccarini, Federica, Spry, Paul G., Melfos, Vasilios, Tarantola, Īlexandre, Keith, Manuel, Klemd, Reiner, Haase, Karsten (2019) Trace Elements in Magnetite from the Pagoni Rachi Porphyry Prospect, NE Greece: Implications for Ore Genesis and Exploration. Minerals, 9 (12) 725 doi:10.3390/min9120725 | Journal (article/letter/editorial) | | minerals Article Trace Elements in Magnetite from the Pagoni Rachi Porphyry Prospect, NE Greece: Implications...Geophysics, University of Leoben, 8700 Leoben, Austria; federica.zaccarini@unileoben.ac.at Department...November 2019 Abstract: Magnetite is a common accessory phase in various types of...of trace elements to chemically characterize magnetite from the Pagoni Rachi CuāMoāReāAu porphyry-style...porphyry-style prospect, Thrace, northern Greece. Igneous magnetite mostly occurs as euhedral grains, which are commonly |  | | | | usually quartz or calcite, but also aragonite, magnetite, barite, and chalcopyrite. Many thousands of years...be used to locate magnetic materials such as magnetite and ilmenite. Geiger counters are employed to...hematite (far left), pyrite (center bottom), magnetite (center top), and limonite (near left). There...many minerals that never do. A mineral such as magnetite acts STEP THREE Heat the borax in the flame until... INCLUDING ITS USE, MINERAL ENVIRONMENT, AND OCCURRENCE. Transparency: Opaque Luster: Metallic Streak: |  | | Journal (article/letter/editorial) | | www.elsevier.de/chemer The MaleĢ Vrbno magnetite occurrence of the VelkeĢ-Vrbno Unit, Czech Republic:...mineralization investigated is that of a stretched magnetite-rich body consisting of three subparallel layers...body is composed of homogeneous, nearly pure magnetite (up to 50 vol%), amphibole with Mg# of 0.14ā0...The magmatic origin is also supported by the occurrence of chromite and the abundance of apatite in the...Fe-rich minerals, but also the crystallization of magnetite. After their emplacement and consolidation, both |  | | Book | | usually quartz or calcite, but also aragonite, magnetite, barite, and chalcopyrite. Many thousands of years...be used to locate magnetic materials such as magnetite and ilmenite. Geiger counters are employed to...hematite (far left), pyrite (center bottom), magnetite (center top), and limonite (near left). In some...many minerals that never do. A mineral such as magnetite acts as a magnet-detected by moving a sample alongside...associated with other silver-bearing minerals. OCCURRENCE: Found worldwide, notably in western U.S.; Canada; |  | Sarjoughian, Fatemeh, Habibi, Iraj, Lentz, David R., Azizi, Hossein, Esna-Ashari, Amir (2020) Magnetite compositions from the Baba Ali iron deposit in the Sanandaj-Sirjan zone, western Iran: Implications for ore genesis. Ore Geology Reviews, 126. 103728pp. doi:10.1016/j.oregeorev.2020.103728 | Journal (article/letter/editorial) | | homepage: www.elsevier.com/locate/oregeorev Magnetite compositions from the Baba Ali iron deposit in...ARTICLE INFO ABSTRACT Keywords: Skarn deposits Magnetite chemistry Hydrothermal mineralization Sanandaj-Sirjan...250 m. The main mineral assemblages are massive magnetite, epidote, actinolite, tourmaline, quartz, calcite...calcite, and pyrite. Using different magnetite compositional discrimination diagrams, the low concentrations...The different elemental compositions of various magnetite generations might be due to an ore-forming fluid |  | | Journal (article/letter/editorial) | | together with forsterite, pleonaste, phlogopite, magnetite __+ tourmaline. Post-metamorphic alteration of...produced a network of boron-rich minerals and magnetite. The warwickite, containing up to 9.72% A1203...minerals including pyrrhotite, dravite, titanite, magnetite and flecks of graphite. Warwickite has been...carbonates and accessory pseudobrookite, ilmenite, magnetite and warwickite. The warwickite constitutes up...investigated and shown to be caused by an extensive magnetite mineralization (Appel et al., 1995). This magnetic |  | | Corporate Document | | arsenopyrite, tourmaline, chlorite, garnet, scheelite, titanite, rutile and gold. Korpilampi-2 Tourmaline-bearing...Aittoranta, also known as Iso AittojƤrvi, gold occurrence is in the central part of the Kuhmo Greenstone...visible gold. 1.2.3 Mataralampi The Mataralampi occurrence is in the central part of the Kuhmo Greenstone...Poutiainen & Luukkonen 1994), probably at 2680 Ma (titanite U-Pb age, Luukkonen et al. 2002). It is in a D3...quartz veins. 1.2.5 Sepponen The Sepponen gold occurrence is in a small (0.5 x 1.5 km) greenstone-belt |  | | Report (volume) | | ............................................ Magnetite ........................................................-...............................--... Titanite ................................................strongly ferruginous than farther north, and much magnetite, pyrite, and pyrrhotite appear. From Campbell...darkgreen fibrous hornblende, epidote, and dark-brown titanite. Structure. There is a marked prevalence of northerly...place just west, and to the east is the peculiar titanite gneiss mentioned on page 23. The limestone is |  | | Journal (article/letter/editorial) | | by pyrite and magnetite deposits hosted in the Leszczyniec Unit as well as by magnetite deposit and, presumably...number of recently uneconomic ore deposits of magnetite, copper, tin, arsenic, uranium and sulfur accompanied...and ore minerals occurrences. Deposits of iron (magnetite), tin (cassiterite), copper sulļ¬des, Au-arsenopyrite...Model 2) (Oberc-Dziedzic et al., 2011). The magnetite occurrence in Jarkowice (Fig. 1, site 1, Appendix 1)...literature. It is hosted in orthoamphibolites. Magnetite forms lensoidal and disseminated structures concordant |  | | Report (volume) | | ................... 182 INTRODOCTION-TIIE OCCURRENCE OF GRANITE IN MAINE. - By GEORGE OTIS SMITH...characteristic of this southern portion. The other occurrence of granite in eastern Maine is the belt extending...Maine. With these should be mentioned the granite occurrence in Aroostook County, about 12 miles west of Houlton...like zircon, apatite, titanite, rutile, tourmaline, fluorite, garnet, magnetite, molybdenite, ilmenite...report the accessory minerals garnet, zircon, titanite, magnetite, pyrite, apatite, and molybdenite have been |  | Nabatian, Ghasem, Jiang, Shao-Yong, Honarmand, Maryam, Neubauer, Franz (2016) Zircon UāPb ages, geochemical and SrāNdāPbāHf isotopic constraints on petrogenesis of the Tarom-Olya pluton, Alborz magmatic belt, NW Iran. Lithos, 244. 43-58 doi:10.1016/j.lithos.2015.11.020 | Journal (article/letter/editorial) | | Geology, University of Salzburg, A-5020 Salzburg, Austria b a r t i c l e i n f o Article history: Received...include zircon, monazite (Fig. 3c), apatite, magnetite and titanite. Some minor secondary minerals include...include chlorite, epidote, iron oxide, titanite and sericite. In the Tarom-Olya district, these plutonic rocks...also related to the residual Ti phases (e.g., titanite and rutile) in the hydrated mantle source (Foley...and V values are in accordance with the magnetite occurrence in the samples. High potassium contents |  | | Report (volume) | | bodies_____j______________________________________________ Magnetite bodies __________________________________________...chiefly devoted, spent 19 days in a study of the occurrence of gold at the Nabesna mine. This was made possible...Nabesna and Chisana- districts have shown the occurrence of shale or arkose comparable to the McCarthy...hundred feet of these deposits is present. The occurrence of these clastic beds in such thickness suggests...the Upper Cretaceous sediments and the common occurrence of the remains of land plants in them suggest |  | | Report (issue) | | Mine Wahnapitei occurrences MacDonald occurrence Page occurrence Warren quarry Occurrences along Highway...occcurrence St. Leonard Lake occmTence Bass Lake occurrence McMillan Mine Wallace Mine Sheguiandah quarry...River Mine Havilland Beach occurrence Tribag Mine Mammoth-Vulcan occurrence Road-cuts, km 77 to km 98...(Roussainville) occurrence Copper Creek Mine Indian Diggings, Mineral Point occurrence Mamainse shoreline...shoreline occurrence Mamainse Mine "Daisy stone" occurrence Pointe aux Mines Mine Theano Point uranium occurrence |  | | Report (issue) | | ........ . Quartz monzonite porphyry.Ā·.... . Occurrence and character .... . Petrographic details .....localization of values in ore bodies and the occurrence of shoots in metalliferous deposits: Econ. Geology...11, pp. 463-466. Ā· 1912. Ā·Hogers, A. F., The occurrence and origin of gypsum and anhydrite at the Ludwig...of Ammonite i.niprint; possibly a Ceratites. . magnetite. Triassic. .The andesites _that occur near the...allotrio- Ā·Ā·; morphic and panidiomorphic granular.. Titanite,. apatite, 1nagnetite, and zircon .. .occur sparsely |  | | Report (issue) | | statements 212 Native elements 212 Graphite Occurrence 212 Alterations 21 2 The sulphides 212 ...marcasite 213 Occurrence 213 Alterations 214 216 fluorides Fluorite _ 216 Occurrence 216 Alterations...Alterations 216 The oxides 217 21 7 Quartz Occurrence 21 7 CONTENTS. MINERALS CHAPTER V. Section...Modifications 220 Tridymite Occurrence 220 Modifications 220 221 Opal Occurrence 221 Modifications 221...223 Corundum 223 Occurrence 223 Alterations 223 Hematite 225 Occurrence 225 Alterations 226 |  | | Report (issue) | | _____________________ Cavity coatings. _______________________ Magnetite. __________________________ Supergene minerals...Ely mine, Vermont.______________ Location and occurrence of deposits. _________ Studies of the ores__..._______________________________________________ Relations of magnetite to sulphides in the Isabella mine, Ducktown, Tenn...minerals, and in a vein in the Ducktown district magnetite followed sulphides. It is concluded that the carbonates...vol. 26, pp. 561-610, 1931. Bayley, W. S., A magnetite marble ore at Lansiug, N.C.: Elisha Mitchell Sci |  | | Book | | Figure 2. Quartz from Schmirnerthal, Tirol, Austria. Quartz is often found as crystals. A crystal is...lengths, and the symbol is there- Figure 29. Magnetite with {111}, {311}, and small faces belonging...this class. Diamond, halite, fluorite, galena, magnetite, and garnets are other wellknown examples. The...{021}. Figure 63. Epidote from Untersulzbachtal, Austria. Subject: 28 x 72 mm. 44 .| | || J Ā» ! c...epidote from Knappenwand, Untersulzbachtal, NS Austria. āByssoliteā is a local name for fibrous actinolite |  | | Report (volume) | | complete picture of'the geologic setting and mode of occurrence of the mineral deposits as an aid to intelligent... and usually pyrite and leucoxene or granular titanite. The micas are not abundant enough to give a foliation...rock. Titanite, magnetite, and apatite are the common ones. Pyrite is rarely present. Titanite and magnetite...rock. The titanite is in good euhedral crystals, some of which inclose small crystals of magnetite and apatite;...last half of the period of crystallization. The magnetite and apatite occur in groups of crystals and also |  | | Book (edition) | | a general description of the association and occurrence of the minerals which etc., it contains is...general physical characters, together with their occurrence, associations, uses, etc., are included under...115 MINERALS ARRANGED ACCORDING TO ELEMENTS. OCCURRENCE AND ASSOCIATION OF MINERALS LISTS OF . Rocks...lines A-B and A-C, would be the more common in occurrence. include a greater or less MANUAL OF MINERALOGY...crystallizes. Galena, for example, has a cubic, magnetite an octahedral and garnet a dodecahedral habit |  | | Book (edition) | | lltnenite 130 Perovskite 130 Spinel Series 132 Magnetite 133 Chromite-l33 151 Borax 151 Colemanite 120...muscovite apatite epidote group zircon Fe-Ti oxides titanite rutile sillimanite tourmaline garnet fluorite... to paz xenotime monazite Fe-Ti oxides zircon titanite rutile spinel tourmaline xenotime monazite allanite...cummingtonite Fe-Ti oxides apatite epidote group zircon titanite rutile spinel Ultramafic orthopyroxene calcic...clinopyroxene biotite gedrite chlorite stilpnomelane titanite omphacite apatite zircon spinel Fe-Ti oxides |  | | Book | | and bounty of her minerals, but also for the occurrence of a large number of rare minerals, many of which...shippedore for representativespecimens is the occurrence of mineralscontaining for thecollectionof the...Fletcherite Hematite Magnetite Millerite Molybdenite Polydymiteviolarite Pyrite Sodalite Titanite wide, following...prospected rocksandwere minedfor a shortperiod occurrence. intensively andseveral copperoccurrences Geology:...secondary minerals.Thisresultedin minimal the deepest occurrence of oxideminerals cementationof the ore and absenceof |  | | Report (issue) | | Chlorite Serpentine Kaolinite Thaumasite Chrysocolla Titanite Phosphates, arsenates, vanadate,s, and antimonites...of the Cactus ore body 174 XXXII'. A, Vein of magnetite in pyrite, Peacock copper mine; B, Veins of iron...Francisco Range north of Squaw Springs Pass 72 9. Magnetite surrounding chalcopyrite; generalized drawing...epidote, and other contact silicates, together with magnetite, specularite, and sulphides of iron and copper...molybdenite, galena, tetrahedrite, and the iron oxides magnetite and specularite, which are in some places relatively |  | | Report (volume) | | He gave a brief description of the method . of occurrence of the ores. In 1898 Lindgren completed a study...* * * High winds are of more or less frequent occurrence in exposed portions of the State but are seldom...amounts of sericite, microcline, plagioclase, titanite, and apatite. The quartz grains average 0.5 millimeter...andalusite, biotite, muscovite, and small amounts of magnetite, tourmaline, and hematite. The schist attains...and garnet with minor amounts of oligoclase, magnetite, and zircon. Some of the sillimanite occurs in |  | | Book (edition) | | Kyanite ā¢ 362 Staurolite ā¢ 363 Chloritoid ā¢ 365 Titanite ā¢ 366 Topaz ā¢ 367 Additional Orthosilicates ā¢...ā¢ 405 XY2O4 Minerals ā¢ 405 Spinel Group ā¢ 405 Magnetite ā¢ 406 Box 18.2 Sedimentary Iron Formations ā¢...on the structure, chemistry, properties, and occurrence of common minerals. The same authors also have...Chemical Formula Major World Sources Iron Magnetite Hematite Fe2O3 Fe3O4 Australia, Brazil, China... as is seen in metallic iron and the mineral magnetite. The relative energy of the different orbitals |
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