 | | Journal (article/letter/editorial) | | Alps: the Waldenstein hematite deposit (Austria) Abstract The specularite deposit at Waldenstein is an...of the ore ocepigenetic replacement/vein-type hematite mineraliza- curred at shallow crustal levels where...Austroalpine Crystalline Complex • few meters of the hematite veins. Radiometric dating of Tertiary mineralization...(magnetite, ilmenite) being partly replaced by hematite and Introduction chlorite during the main phase...temperatures were approximately 300°C exploits micaceous hematite (specularite) suitable as a during the main stage |  | | Journal (article/letter/editorial) | | Geologische Bundesanstalt, PO Box 154, A-1031 Wien, Austria ing, although ponded metamorphic ¯uids and mantle...Schlaining is not further considered here, as this deposit was con®rmed to be related to Miocene andesitic...well known in the European literature as the type deposit for hydrothermal-metasomatic siderite in marine...earlier observations as well as our data. The deposit occurs in the Paleozoic basement of the Upper Austroalpine...Based on this he concluded, that the origin of the deposit was post-sedimentary and epigenetic. Oxygen and |  | Rantitsch, G., Jochum, J., Sachsenhofer, R. F., Russegger, B., Schroll, E., Horsfield, B. (1999) Hydrocarbon-bearing fluid inclusions in the Drau Range (Eastern Alps, Austria): implications for the genesis of Bleiberg-type Pb-Zn deposits. Mineralogy and Petrology, 65 (3) 141-159 doi:10.1007/bf01161958 | Journal (article/letter/editorial) | | Printed in Austria Hydrocarbon-bearing fluid inclusions in the Dra.u Range (Eastern Alps, Austria): implications...Geowissenschaften, Montanuniversit/it, Leoben, Austria 2Institut ftir Mineralogie und Lagerst~ttenlehre...Mineralogie und Kristallographie, Universit/it Wien, Austria 4 Institut ftir Erd61 und organische Geochemie...quartz crystals of the Drau Range (Eastern Alps, Austria). Organic matter, as liquid or solid petroleum-type...Range. Similar genetic models are proposed for hematite, mercury and antimony deposits in the underlying |  | | Report (chapter) | | intramontane basins. These are the U-peneconcordant deposit Zirovski Vrh (pitchblende-coffinite, Sava folds...Kulenovid 1987); then bedded, low-manganese, SEDEX, hematite deposits at Hrastno (Sava Folds, SF), Rude (Samoborska... PALINKAS 14°E 16°E 18°E | ! ! (-':'=i AUSTRIA ---IV-- 46°N - - M - - - :k.., 0 , 50 100...SrSO4 content of barite; (4) paragenesis of ore deposit; (5) fluid inclusion data. Basic geological characteristics...occurrences of iron-quartzites and bedded magnetite-hematite and manganese oxide deposits in Western Macedonia |  | | Journal (article/letter/editorial) | | Keywords: Missouri (USA) iron district Proterozoic Magnetite Hematite IOCG-IOA a b s t r a c t The Southeast...Iron oxides within all district deposits are dominantly magnetite and hematite, but the gangue minerals...Ridge, apatite–quartz in the main part of the deposit, plus REE-bearing breccia pipes, discussed below...The Boss–Bixby deposit has been described as an iron oxide–copper–gold (IOCG) deposit, and contains the...resource known in the district (~40 Mt of 0.8% Cu), as yet undeveloped. The district also has steeply dipping |  | | Report (issue) | | THE LOS BURROS DISTRICT, MONTEREY COUNTY, CALIFORNIA. By JAMES M. HILL. INTRODUCTION. The following...concerning the metal prospects of the Los Burros district, in the southwestern part of Monterey County,...properties and the caretaker at the Buclimo mine. The district lies on the west side of the rugged Coast Range...500 feet above sea level. GEOLOGY. The whole district is underlain by rocks of the Franciscan formation...which run through the south-central part of the district. The most conspicuous exposures of the southern |  | Tunnell, Bolorchimeg N., Locmelis, Marek, Seeger, Cheryl, Mathur, Ryan, Dunkl, István, 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) | | Pilot Knob Magnetite (PKM) deposit and the Pilot Knob Hematite (PKH) deposit, which is located 240 m stratigraphically...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...apatite intergrown with massive magnetite in the PKM deposit and provide the first precise age for the formation...chemistry of hematite, which contains up to 2.7% Ti, suggest that the he matite in the PKH deposit crystallized |  | | 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...deposits «..............* « 7 The Campbell Magnetite Deposit* ». « ^ » > 7 Geology ................ ..........Tonnage Estimates ^ , *10 The Standard Specular Hematite Deposit* ». «. 10 Geology ......,.*. « 10 Description |  | | 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...deposits__________________________________________ 136 Red-hematite deposits____-____________--__-__--_-_---___ 136...______________________ 139 Mortimer magnetite deposit.___________________________________ 141 Standard...Abundance red-hematite deposit_______________________________ 146 Montana magnetite and red-hematite deposi |  | | Journal (article/letter/editorial) | | 3 MAGNETITE-HEMATITE MINE, GEORGE W. LINCOLN WALKER COUNTY, AND FRANK DEPOSIT NEW W. AT ... .................................. Origin of deposit .................................................221 222 ABSTRACT A pyrometasomatic magnetite-hematite depositin sedimentaryrocksof Permian age near...percent uranium. The deposit is composedmainly of magnetite with lesser amountsof hematite, hydrated iron oxides...Materials of the U.S. Atomic Energy Commission. The deposit,known at varioustimesas the CarolynO claim, House |  | | Journal (article/letter/editorial) | | structure ....................... 183 183 183 Ore deposit .................................. Review of genetic...advanced Host Introduction THE BensonMines ore deposit,which is the largest iron ore producerin the Adirondackregion...deposits. The Bensondepositconsistsof magnetite and hematite grains disseminatedin meta183 to account for...1968). These gneisses are The Bensonmagnetite-hematite deposithas remostlycoarse-grained, but they may...subfaciestransitionalbetweenthe horn- cessorto the presentore deposit. blendegranuliteand pyroxenegranulitesubfacies |  | Cabral, Alexandre Raphael, Wiedenbeck, Michael, Rios, Francisco Javier, Seabra Gomes, Antônio Augusto, Rocha Filho, Orlando Garcia, Jones, Richard David (2012) Talc mineralisation associated with soft hematite ore, Gongo Soco deposit, Minas Gerais, Brazil: petrography, mineral chemistry and boron-isotope composition of tourmaline. Mineralium Deposita, 47 (4) 411-424 doi:10.1007/s00126-011-0374-3 | Journal (article/letter/editorial) | | mineralisation associated with soft hematite ore, Gongo Soco deposit, Minas Gerais, Brazil: petrography...Talc mineralisation occurs as hematite–talc schist between soft hematite ore and dolomitic itabirite at...Ferrífero of Minas Gerais, Brazil. The hematite–talc schist and soft hematite have a prominent Editorial handling:...Germany tectonic foliation of tabular hematite. Tabular hematite without preferential orientation is superimposed...generations of hematite. The whole-rock Fe/S ratio possibly represents sulfate S from hematite-hosted fluid |  | | Journal (article/letter/editorial) | | Dickens2 and N. H. S. Oliver3 The genesis of giant hematite ore deposits in northwest Australia remains a...identified at the largest martite-microplaty hematite deposit, Mount Whaleback. In the present study, samples...reddish-green shale below the Mount Whaleback deposit is significantly enriched in MgO and CaO and depleted...during the formation of the martite-microplaty hematite deposits in the Hamersley Province. Keywords:...Keywords: Hamersley, Mt Whaleback, Martite–microplaty hematite, Hypogene Introduction The Hamersley Province |  | | Journal (article/letter/editorial) | | Mineralogy and Petrography, University of Innsbruck, Austria, 7 2 Centre for Exploration Targeting, School...The ~450 metres thick banded chert-hematite and dolomite-chert-hematite body within the 16 Neoproterozoic...medium- to high-grade (40-64 wt% Fe) 20 hematite iron ore deposit are used to propose a novel diagenetic...of 71° to 173 °C (based on disequilibrium 24 hematite-chert oxygen isotope exchange) led to vertical...microplaty hematite, parallel S1, and locally granoblastic hematite, as well as anhedral 27 hematite replacing |  | Lupulescu, Marian V., Bailey, David G., Hawkins, Michael, Carl, James D., Chiarenzelli, Jeffrey R. (2014) The Benson Mines, St. Lawrence County, New York: History of the Discovery, Mining, and Mineralogy of the Deposit. Rocks & Minerals, 89 (2) 118-131 doi:10.1080/00357529.2014.865431 | Journal (article/letter/editorial) | | (about 1.1 billion-year-old), gneiss-hosted iron deposit located in the Adirondack Mountains, St. Lawrence...information on the geology and mineralogy of this deposit is very scarce (Hagni 1968; Tumialan History of...of the Discovery, Mining, and Mineralogy of the Deposit 118 ROCKS & MINERALS Figure 1 (far left). Large...data on the mineralogy of the deposit. Additionally, the origin of the deposit will be discussed within the...geological processes that shaped this interesting deposit. No university or teaching collection is complete |  | | Journal (article/letter/editorial) | | McRae Shale beneath the martite-microplaty hematite ore deposit at Mount Whaleback, Western Australia Received:...Abstract The formation of large martite-microplaty hematite ore deposits in northwest Australia remains a...identified at the largest martite-microplaty hematite deposit, Mount Whaleback. In this study, samples of...martite-microplaty hematite deposits in the Hamersley Province. Keywords Martite-microplaty hematite ore deposits...iron-formation (BIF) to martite and microplaty hematite (Fig. 2). Despite decades of research on these |  | | Journal (article/letter/editorial) | | hydrothermal fluid flow in the Mt. Whaleback Iron Ore District, eastern Hamersley Province, Western Australia...hydrothermal models for genesis of giant microplaty hematite ore deposits of the Hamersley Province, we have...veins and rocks surrounding the Mt. Whaleback deposit with an aim to characterize the nature of fluid...∼600 km2 area around the Mt. Whaleback microplaty hematite orebody, the five main veining events most likely...activity in the district was synchronous with the main phase of microplaty hematite ore formation at |  | Angerer, Thomas, Hagemann, Steffen G., Walde, Detlef H.G., Halverson, Galen P., Boyce, Adrian J. (2016) Multiple metal sources in the glaciomarine facies of the Neoproterozoic Jacadigo iron formation in the “Santa Cruz deposit”, Corumbá, Brazil. Precambrian Research, 275. 369-393 doi:10.1016/j.precamres.2016.01.002 | Journal (article/letter/editorial) | | NEOPROTEROZOIC JACADIGO IRON FORMATION IN THE “SANTA CRUZ DEPOSIT”, CORUMBÁ, BRAZIL Author: Thomas Angerer Steffen...Neoproterozoic Jacadigo iron formation in the “Santa Cruz deposit”, Corumbá, Brazil, Precambrian...silica-rich facies and resedimented diamictites and hematite muds are a response to juxtaposing 8 glacial...Jacadigo iron formation in the “Santa 19 Cruz deposit”, Corumbá, Brazil cr ip t 17 20 Thomas Angerer1*...Mineralogy and Petrography, University of Innsbruck, Austria 24 2 Centre for Exploration Targeting, University |  | | Journal (article/letter/editorial) | | A g deposit, South Australia, the Wemecke Mountain breccias, Yukon, the Kiruna iron ore district, Sweden...Sweden, and the southeast Missouri iron ore district, and a review of literature on other ironrich mineral...magmatic zone of northwest Canada, the Bayan Obo district of China, and perhaps the Redbank breccia pipes...either magnetite or hematite. Magnetite is found at deeper levels than hematite. CO3, Ba, P, or F minerals...and within individual districts, particularly in deposit morphology. Individual deposits occur as strongly |  | | Journal (article/letter/editorial) | | Ridge iron oxide-apatite deposit and the Boss iron oxide-copper-gold deposit ca. 52 km to the south. Iron...minerals within the iron deposits are magnetite and hematite; apatite is a nearly ubiquitous gangue mineral...2004). A thorough summary of the geology of this district can be found in Day et al. (2016). 1815 1816...majority was derived from the Shepherd Mountain deposit (Crane, 1912). Ore at Shepherd Mountain was produced...produced from two veins of magnetite and specular hematite hosted in rhyolite porphyry—one unnamed vein on |  | | Journal (article/letter/editorial) | | infrared emission spectra of hematite: Application to Martian hematite mineralization T. D. Glotch Department...of two isolated deposits of gray, crystalline hematite located in Meridiani Planum and Aram Chaos and...Marineris. Several pathways for formation of these hematite deposits have been proposed, involving both aqueous...features in the Martian hematite thermal emission spectrum to constrain hematite formation pathways. Thermal...photomicrographs were obtained for synthetic and natural hematite samples derived by (1) dehydroxylation of finegrained |  | Day, Warren C., Slack, John F., Ayuso, Robert A., Seeger, Cheryl M. (2016) Regional Geologic and Petrologic Framework for Iron Oxide ± Apatite ± Rare Earth Element and Iron Oxide Copper-Gold Deposits of the Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA. Economic Geology, 111 (8) 1825-1858 doi:10.2113/econgeo.111.8.1825 | Journal (article/letter/editorial) | | 1800s (Crane, 1912). Vein-hosted hematite from the Shepherd Mountain deposit (Fig. 2), near Pilot Knob, was...the giant Mesoproterozoic Olympic Dam Cu-Au-U deposit in 1975 (see Oreskes and Einaudi, 1990; Haynes...alkali-feldspar felsic metavolcanic host rocks at the Bafq district of Iran (Torab and Lehmann, 2007; Daliran et al...including: (1) what controls the genesis of this deposit type; (2) what are the key characteristics that...zircon) Harrison et al. (2000) Pea Ridge ore deposit Felsic (leucogranite) dike 1441 ± 9 Ma (SHRIMP |  | | Journal (article/letter/editorial) | | iron mineralisation and resource domains in C Deposit, Area C, Hamersley Province, Australia P. Hodkiewicz1...interpretations of controls on mineralization in C Deposit and highlights structural features that influence...Marra Mamba and Brockman iron mineralisation. C Deposit is located within Area C, on the northern limb...of the Marra Mamba Formation. Production from C Deposit began in August 2003, following mining of a 950000...of structural controls on mineralisation in C Deposit and their influence on the thickness of mineralisation |  | | Journal (article/letter/editorial) | | relict fibers of actinolite. Calcite, quartz, and hematite replace early minerals. Purple fluorite occurs...but it is not in contact with hematite so its age relation to hematite is uncertain. A pink carbonate...the rhodochrosite and manganocalcite from this deposit that were reported in 1895. INrnooucrtow Extensive...enlargement of the Hayes Cut in a specular hematite deposit at Iron Mountain, St. Francois County, Missouri...AT IRON MOUNTAIN, MISSOURI 737 Pnnvrous Wonr Hematite has been mined at Iron Mountain almost continuously |  | | Book (volume) | | INTRODUCTION. PAGE Definition of an Ore and of an Ore Deposit Most Important Treatises on Ore Deposits 1 Ore.... . The Vysokaya Gora The Goroblagadot Iron Deposit Kiirunavaara and Luossavaara 12 12 14 14 15 16...Titaniferous Magnetites of the Adirondacks (c) Deposit of Routivare in Norbotten, Sweden 3. Segregations...Other Localities in Norway. (6) The Chromite Ore Deposit of Kraubath in Upper Styria 6. Tin-Stone as a Primary...Segregation in Granitic Rocks. The Etta Knob Tin Deposit of the Black Hills, Dakota (C) Segregations of |
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