 | | Report (volume) | | ...................................... Hematite and magnetite ores.....................................Bergischer-Kalkberg district................................... Siegerland district......................Lahn-Dill district............................................. Westerwald-Taunus-Vogelsberg district............................................... Weser district......................................................................... Summary of the Weser district................................ North and central |  | | Book (edition) | | groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | Journal (article/letter/editorial) | | ore-bearing schists from the Schellgaden mining district (Tauern Window, Eastern Alps) Erwin Krenn & Hubert...bearing micaschists from the Schellgaden mining district, Tauern Window, Eastern Alps, was studied by means...parts of micaschists. Results from this study imply an Alpine rather than a pre-Alpine formation age for...Salzburg, Hellbrunnerstrasse 34, 5020 Salzburg, Austria e-mail: erwin.krenn@sbg.ac.at Introduction The... Eastern Alps, represents a historical mining district, which has produced some 30 t of Au over the last |  | | Journal (article/letter/editorial) | | Springer-Verlag 1991 Printed in Austria The Kakun Igneous Cumulate Magnetite Deposit, SW Nigeria A. E. Annor...Nigeria 2 Mineralogisch-Petrologisches Institut der Georg-August Universit~it, G6ttingen, Federal Republic...mineralogical information concerning a Precambrian iron deposit in Kakun, southwestern Nigeria is presented and...advanced. The Kakun deposit consists of titaniferous magnetite concentrated at the base of an amphibolite sheet...are here explained in a two-stage model comprising an Eburnean synkinematic magmatic phase and a Pan-African |  | | Book (volume) | | MINING JOURNAL TRANSLATOR'S PREFACE. In presenting an English edition of Professor Beck's 'Lehre von den...the publishers to practically rewrite the book from an American standpoint, giving greater . prominence...AUFLAGE Als die Vortrage iiber Lagerstattenlehre an der Kb'niglichen Bergakademie zu Freiberg mir iibertragen...Lehrbuch in deutscher Sprache Hieraus entsprang der Plan, selbst jene Liicke auszufiillen, vermissen...nnd von neuem durchgeseliene Lagerptattensammlung der Bergakademie eine vortreffliche Werk aufgebaut |  | | Journal (article/letter/editorial) | | Stable Isotope Study of the Esfordi Apatite-Magnetite Deposit, Central Iran MORTEZA JAMI, ALISTAIR C. DUNLOP...Abstract The Esfordi apatite-magnetite deposit is situated in the Bafq district of central Iran. It is one...one of the most P rich deposits in that district and is hosted by a sequence of early Cambrian rhyolitic...Fe-oxideârich core and an overlying body of breccia that is rich in apatite and hematite. The P-rich ore is...is mainly associated with the Fe-oxideârich (magnetite-apatite) core and displays dissolution textures |  | | Journal (article/letter/editorial) | | Pgoalogy © Springer-Verlag 1994 Printed in Austria Magnetite-apatite deposits (Kiruna-type) along the...15, 1993; accepted July 26, 1993 Summary The magnetite-apatite deposits of Hamadan and Gole Gohar situated...magmatic origin and have intruded as ore magmas. The magnetite-apatitc deposits are associated with ultramafic...fluorite, phlogopitc, vallcriite and baddeleyite. An ultramafic environment is indicated by the exclusively...Precambrian basement of the Sanandaj-Sirjan zone. Magnetite carries many inclusions such as apatitc, amphiboles |  | | Book (volume) | | carbonate spars free from cobaltiferous ores, especially an 8-meter (25-ft.) vein at the diorite contact, worked...mica. The iron deposits of Dobschau still yield an annual production of about 35,000 tons, but the cobalt...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region |  | | Journal (article/letter/editorial) | | provinceâTypes of deposits and genetic relationships to magnetiteâapatite and iron oxideâcopperâgold deposits John...Keywords: Missouri (USA) iron district Proterozoic Magnetite Hematite IOCG-IOA a b s t r a c t The Southeast...the major deposits have been mined: Pilot Knob magnetite, Iron Mountain, and Pea Ridge. These deposits...Iron oxides within all district deposits are dominantly magnetite and hematite, but the gangue minerals...minerals are diverse. At Pilot Knob magnetite the dominant gangue mineral assemblages are albitic plagiocl |  | PrĆĄek, J., Ondrejka, M., BaÄĂk, P., BudzyĆ, B., Uher, P. (2010) Metamorphic-hydrothermal REE minerals in the BacĂșch Magnetite Deposit, Western Carpathians, Slovakia: (Sr,S)-rich monazite-(Ce) and Nd-dominant hingganite. The Canadian Mineralogist, 48 (1) 81-94 doi:10.3749/canmin.48.1.81 | Journal (article/letter/editorial) | | METAMORPHIC-HYDROTHERMAL REE MINERALS IN THE BACĂCH MAGNETITE DEPOSIT, WESTERN CARPATHIANS, SLOVAKIA: (Sr,S)-RICH...REE minerals occur in a small metamorphic magnetite ore deposit at BacĂșch, Veporic Superunit, central Slovakia...subhedral to euhedral crystals associated with magnetite. It contains â€12 wt.% ThO2, â€2.7% UO2, â€0.85%...monazite-(Nd) I (â€26.1% Nd2O3) occasionally occurs with an atomic ratio Nd:Ce up to 1.17. Monazite II is present...monazite I. Monazite II is depleted in Th and U and has an unusually high content of S (â€11.3% SO3, 0.31 apfu |  | | Report (issue) | | MOUNTAIN DISTRICT Washington County, Idaho and IRON ORE DEPOSITS IN THE CLEARWATER DISTRICT Idaho County...1947 IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, Washington County, IDAHO CONTENTS Page Summary......«..«.......*.. 5 Magnetite and specular hematite ores* ......« 6 Red hematite* .... .... . . 6 Sulphide...deposits «..............* « 7 The Campbell Magnetite Deposit* ». « ^ » > 7 Geology ................ .....Tonnage Estimates ^ , *10 The Standard Specular Hematite Deposit* ». «. 10 Geology ......,.*. « 10 Description |  | | Journal (article/letter/editorial) | | STABLE ISOTOPE STUDY OF THE ESFORDI APATITE-MAGNETITE DEPOSIT, CENTRAL, IRANâA DISCUSSION ALIJAN AFTABI...Esfordi apatite-magnetite deposit. We have been working in the Bafq mining district of central Iran for...Kiruna-type apatite-magnetite deposit. First, the deposit is composed of magnetite-apatitehematite, rather...rather than simply apatite-magnetite and therefore does not fit an orthomagmatic model for Fe mineralization...with a submarine vent complex and feeder zone of an exhalative submarine volcanic system. In this context |  | Aftabi, A., Mohseni, S., Babeki, A., Azaraien, H. (2009) FLUID INCLUSION AND STABLE ISOTOPE STUDY OF THE ESFORDI APATITE-MAGNETITE DEPOSIT, CENTRAL, IRAN--A DISCUSSION. Economic Geology, 104 (1) 137-139 doi:10.2113/gsecongeo.104.1.137 | Journal (article/letter/editorial) | | STABLE ISOTOPE STUDY OF THE ESFORDI APATITE-MAGNETITE DEPOSIT, CENTRAL, IRANâA DISCUSSION ALIJAN AFTABI...Esfordi apatite-magnetite deposit. We have been working in the Bafq mining district of central Iran for...Kiruna-type apatite-magnetite deposit. First, the deposit is composed of magnetite-apatitehematite, rather...rather than simply apatite-magnetite and therefore does not fit an orthomagmatic model for Fe mineralization...with a submarine vent complex and feeder zone of an exhalative submarine volcanic system. In this context |  | | Journal (article/letter/editorial) | | JWY-AUGUST, 1961 VONSENITE AT THE JAYVILLE MAGNETITE DEPOSIT. ST. LAWRENCE COUNTY, NEW YORK* B. F. LBoNanl...INrnopucrron rn the winter oI 1947, Leonard found an unidentifiable metallic min- Edward sampson. Hendersonmade...Geological Survey. 786 VONSENITEAT JAYVILLE MAGNETITE D]JPOSI'| i.i Geological Survey. X-ray work...tain vonsenite showed cores was the in visible hematite of quantity The nonmagnetic fraction.* some Fe...found in one specimenof ore from the Clifton magnetite deposit, 13 miles northeast of Jayville, but it has |  | | Report (volume) | | Iron-Ore Deposits of the Iron Mountain District, Washington County, Idaho By J. HOOVER MACKIN A CONTRIBUTION...A description of the iron-ore reserves of the district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...the deposits._____________.__.__.._______. 135 Magnetite and specularite deposits____-_.___-__.-._____...deposits__________________________________________ 136 Red-hematite deposits____-____________--__-__--_-_---___ 136...Campbell magnetite deposit___________________________________ 139 Mortimer magnetite deposit.________ |  | | Report (issue) | | Ore Deposits of the St. Lawrence County Magnetite District Northwest Adirondacks New York GEOLOGICAL... Ore Deposits of the St. Lawrence County Magnetite District Northwest Adirondacks New York By B. F. LEONARD...Development of magnetite ores (1830-1939)______ Recent discoveries and development of magnetite ores (194..._______ Rocks of the St. Lawrence County magnetite district. Metasedimentary rocks and migmatites____..._____..__ Occurrence of the magnetite deposits._____________ Position of magnetite deposits with respect to |  | | Journal (article/letter/editorial) | | pyrite and magnetite deposits hosted in the Leszczyniec Unit as well as by magnetite deposit and, presumably...relevant, key references is presented in the form of an appendix. © 2014 Elsevier B.V. All rights reserved...number of recently uneconomic ore deposits of magnetite, copper, tin, arsenic, uranium and sulfur accompanied...the east the KIM borders the Intra-Sudetic Basin â an intramontane trough ïŹlled with Middle VisĂ©an to Early...(Kryza et al., 2012). The TIMS zircon dating yielded an identical age of 312 Ma for the porphyritic and the |  | Ucurum, Ali, Larson, Lawrence T., Boztug, Durmus (1996) Geology, Geochemistry, and Petrology of the Alkaline Subvolcanic Trachyte-Hosted Iron Deposit in the Karakuz Area, Northwestern Hekimhan-Malatya, Turkey. International Geology Review, 38 (11) 995-1005 doi:10.1080/00206819709465377 | Journal (article/letter/editorial) | | of the Alkaline Subvolcanic TrachyteHosted Iron Deposit in the Karakuz Area, Northwestern Hekimhan-Malatya...the Alkaline Subvolcanic Trachyte-Hosted Iron Deposit in the Karakuz Area, Northwestern Hekimhan-Malatya...Trachyte-Hosted Iron Deposit in the Karakuz Area, Northwestern Hekimhan-Malatya, Turkey1 An U C U R U M ,...03:26 06 December 2014 Abstract The Karakuz iron deposit is hosted by Maastrichtian subvolcanic trachyte-trachyandesite...the host-rock samples. The trachytic host rock has an indistinct flow structure in the field and a subvolcanic |  | | Report (volume) | | Washington 25, D. C. They may also be purchased on an over-the-counter basis from his authorized agents...Fairbanks, Alaska. · Those references preceded by an asterisk(*) arc out of print, but they can b.e seen...Geologie Schweiz, Geotech. Ser. -Beitrage zur Geologie der Schweiz, Geotechnische Serie. Bern. Berg- u. hlittenm...coloniales. Paris. Col. Ingenieros Venezuela ·Rev~ an. -Colegio de Ingenieros de Venezuela. Revista anual...Sztrokay. Budapest. Fortschr. Mineralogie-Fortschritte der Mineralogie. Krefeld-.i:Jrdingen, Germany. Franklin |  | Heidarian, Hassan, Lentz, David, Alirezaei, Saeed, Peighambari, Sima, Hall, Douglas (2016) Using the chemical analysis of magnetite to constrain various stages in the formation and genesis of the Kiruna-type chadormalu magnetite-apatite deposit, Bafq district, Central Iran. Mineralogy and Petrology, 110 (6) 927-942 doi:10.1007/s00710-016-0440-8 | Journal (article/letter/editorial) | | ORIGINAL PAPER Using the chemical analysis of magnetite to constrain various stages in the formation and...of the Kiruna-type chadormalu magnetite-apatite deposit, Bafq district, Central Iran Hassan Heidarian...presented for different types of magnetite in the Chadormalu iron deposit to discern the genesis of various...host setting: magnetite-apatite veins in the altered host rocks, disseminated magnetite-apatite assemblages...marginal parts of the main ore body, and massive magnetite associated with irregular apatite veinlets from |  | | Journal (article/letter/editorial) | | Transbaikal region) and at the Oktyabrâskoe skarn magnetite deposit in the Angara region. The compiled database...bolonin.a@inbox.ru type Oktyabrâskoe skarn magnetite deposit in the Angara region. We had the opportunity...by N.V. Trubkin on a JSM5610LV SEM equipped with an Oxford INCA 450 (accelerating voltage 25 kV) and...Tolkachev and M.R. Pavlov on an ABT55 SEM (Japan) equipped with a LINK AN10000/85S spectrometer (accelerat...in Central Asia. Carbonatite district of central Tuva: Karasug deposit (92.12°, 51.32°); occurrences: |  | Jonsson, Erik, Harlov, Daniel E., MaJka, JarosĆaw, Högdahl, Karin, Persson-Nilsson, Katarina (2016) Fluorapatite-monazite-allanite relations in the GrĂ€ngesberg apatite-iron oxide ore district, Bergslagen, Sweden. American Mineralogist, 101 (8) 1769-1782 doi:10.2138/am-2016-5655 | Journal (article/letter/editorial) | | relations in the GrĂ€ngesberg apatite-iron oxide ore district, Bergslagen, Sweden Erik Jonsson1,2,*, Daniel...apatite-iron oxide ore bodies from the GrĂ€ngesberg Mining District in the Bergslagen ore province, south central...aggregates that are occasionally associated with magnetite in the silicate mineral matrix. Fluorapatite associated...apatite-iron oxide ore bodies are proposed to have an igneous, sub-volcanic origin, potentially accompanied...Keywords: Fluorapatite, monazite, xenotime, allanite, magnetite, REE, Kiruna-type Introduction Apatite-iron oxide |  | Nabatian, Ghasem, Ghaderi, Majid, Corfu, Fernando, Neubauer, Franz, Bernroider, Manfred, Prokofiev, Vsevolod, Honarmand, Maryam (2014) Geology, alteration, age, and origin of iron oxideâapatite deposits in Upper Eocene quartz monzonite, Zanjan district, NW Iran. Mineralium Deposita, 49 (2) 217-234 doi:10.1007/s00126-013-0484-1 | Journal (article/letter/editorial) | | deposits in Upper Eocene quartz monzonite, Zanjan district, NW Iran Ghasem Nabatian & Majid Ghaderi & Fernando...pyroxene-quartz monzonitic rocks of the Zanjan district, northwestern Iran. Mineralization occurred in...disseminated magnetite and apatite in the host rock; (2) mineralization of massive and banded magnetite ores...of Salzburg, Hellbrunnerstr 34, 5020 Salzburg, Austria V. Prokofiev Institute of Ore Geology, Petrography...dating of monazite inclusions in the apatite indicates an age of 39.99±0.24 Ma, which is nearly coeval with |  | Tunnell, Bolorchimeg N., Locmelis, Marek, Seeger, Cheryl, Mathur, Ryan, Dunkl, IstvĂĄn, Sullivan, Brandon, Lori, Lisa (2021) The Pilot Knob iron ore deposits in southeast Missouri, USA: A high-to-low temperature magmatic-hydrothermal continuum. Ore Geology Reviews, 131. 103973pp. doi:10.1016/j.oregeorev.2020.103973 | Journal (article/letter/editorial) | | massive Pilot Knob Magnetite (PKM) deposit and the Pilot Knob Hematite (PKH) deposit, which is located...mineralized bedded hematite and ore hosted in brec ciated volcanic agglomerates. The PKM deposit was previously...not been precisely dated. The origin of the PKH deposit (i.e., sedimentary vs. hydrothermal) and its genetic...data on apatite intergrown with massive magnetite in the PKM deposit and provide the first precise age for...chemistry of hematite, which contains up to 2.7% Ti, suggest that the he matite in the PKH deposit crystallized |  | | Journal (article/letter/editorial) | | inclusion study of the Meishan iron oxideâapatite deposit, SE China Jinjie Yu & Linrui Che & Tiezhu Wang...Springer-Verlag Berlin Heidelberg 2015 Abstract The Meishan deposit (338 Mt at 39 % Fe) comprises massive ores in the...and/or gold orebodies above or alongside the main magnetite orebody. Stage 2 apatites have homogenization...11 wt% NaCleq. Calculated ÎŽ18Ofluid values of magnetite and apatite from the disseminated ores vary between...those observed in the massive and disseminated magnetite ores. ÎŽD values for the quartz and calcite vary |
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