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Types of iron ore deposits ppt

  • Iron Ore Mining PowerPoint PPT Presentations - PowerShow

    naio north australian iron ore pty ltd Roper River Iron Ore Project' - 26 deposits of iron ore as hematite ranging from low to moderately high grade iron ore. Massive soft red oolitic hematite ore.

  • PPT Lecture 2 Ore Deposit Classification and Ore

    Iron Ore Market 2020 by Manufacturers, Type and Application, Forecast to 2025 - Download free PDF Sample: https://bit.ly/2AybUO8 #IronOre #MarketAnalysis The global Iron Ore market size is expected to gain market growth in the forecast period of 2020

  • Types and geological characteristics of iron deposits in

    May 01, 2015· Magnetite ore is the most important iron source in China, with proven reserves of iron of approximately 13.8 billion tons, which accounted for 64% of the total iron reserves at the end of 2009.The sedimentarymetamorphic, volcanic rock-hosted, and skarn types of iron deposits are characterized by large amounts of magnetite ores.

  • VOLCANIC-HOSTED MASSIVE SULPHIDE DEPOSITS - VMS

    VMS Deposits are divided either: A. On the Basis of Ore Composition - Two Types i) Cu-Zn Group ii) Zn-Pb-Cu Polymetallic Group or B. On the Basis of Environment of Formation - Three Types i) Cyprus (Cu-Zn) ii) Kuroko (Zn-Pb-Cu) iii) Besshi (Cu-Zn)

  • Iron Deposits Banded Iron Formations (BIF) Geology for

    Aug 11, 2013· All the worlds Banded Iron Formations appear to have been formed by an unusual, one-off event. With many types of mineralisation we can see the process occurring today for example active volcanoes show us mines in the making, as does undersea hydrothermal activity. Banded iron formations (BIFs) are different they were all formed at a time where the earth was a decidedly

  • PPT Lecture 2 Ore Deposit Classification and Ore

    Iron Ore Market 2020 by Manufacturers, Type and Application, Forecast to 2025 - Download free PDF Sample: https://bit.ly/2AybUO8 #IronOre #MarketAnalysis The global Iron Ore market size is expected to gain market growth in the forecast

  • (PDF) Introduction to Sedimentary Ore Deposits

    Sed. Ore Deposit Env. 10. Introduction. The process of sedimentation as disti nct from evaporation has resulted not only in the. formation of common sedimentary rocks but also in valuable mineral

  • Introduction to Mineral Deposit Models - USGS

    A "mineral deposit" is a mineral occurrence of sufficient size and grade that it might, under the most favorable of circumstances, be considered to have economic potential. An "ore deposit" is a mineral deposit that has been tested and is known to be of sufficient size, grade, and accessibility to be producible to yield a profit.

  • Different Types of Iron Ore - 911metallurgist

    Oct 05, 2016· Sedimentary deposits are represented by the lean siliceous ore of the iron formation, as at Moose Mountain and Temagami, Ontario, and by magnetic black sand found on the north shore of the St. Lawrence; both of these may prove to be important. They can be concentrated magnetically, and this is being done on a large scale with the taconite of

  • Ore genesis - Wikipedia

    High-grade gold ore from the Harvard Mine, Jamestown, California, a wide quartz-gold vein in California's Mother Lode. Specimen is 3.2 cm (1.3 in) wide. Various theories of ore genesis explain how the various types of mineral deposits form within the Earth's crust. Ore-genesis theories vary depending on the mineral or commodity examined.

  • A Deposit Model for Mississippi Valley-Type Lead-Zinc Ores

    A Deposit Model for Mississippi Valley-Type Lead-Zinc Ores 2 cm Sample of spheroidal sphalerite with dendritic sphalerite, galena, and iron sulfides (pyrite plus marcasite)

  • (PDF) Types and general characteristics of the BIF-related

    mineral a ssemblage, and grade o f the ores, the B IF-relat ed sediment ary. metamorphi c type iron deposit s in China can be div ided into seven. types ( Table 1 ): (1) Anshan-type

  • Ore deposits formed by oxidation and supergene enrichment

    Ore Deposits Formed by Oxidation and Supergene Enrichment · When ore deposits are exposed to the oxidation zone they are weathered and altered with the country rocks. · The surface waters oxidize many ore minerals and yield solvents that dissolve other minerals. · An orebody thus becomes oxidized and generally leached of many of its valuable materials down to the groundwater table, or to

  • Iron Deposits Banded Iron Formations (BIF) Geology for

    Aug 11, 2013· All the worlds Banded Iron Formations appear to have been formed by an unusual, one-off event. With many types of mineralisation we can see the process occurring today for example active volcanoes show us mines in the making, as does undersea hydrothermal activity. Banded iron formations (BIFs) are different they were all formed at a

  • Magmatic Ore Deposits - Sede Medellin

    Magmatic Ore Deposits Magmatic ore deposits are those which are formed during crystallization of a magma, deep underground. The host rock for the mineralization can range from ultramafic to felsic. The deposit can consist of massive ores in some cases, a nd disseminations of rare minerals in others.

  • Chapter 6 Kiruna-Type Iron Oxide-Apatite (IOA) and Iron

    Iron oxide copper-gold (IOCG) deposits (e.g., Olympic Dam), and iron oxide-apatite (IOA) deposits (e.g., Kiruna-type) deposits are important sources of their namesake metals, as well as rare earth elements (REE), U, P, Ag, Co, Bi, and Nb that are economically important by-products in some deposits

  • Algoma-type Iron Formation - Mineral Deposit Profiles, B.C

    Algoma-type iron-formations are protore for high-grade, direct shipping types of residual-enriched iron ore deposits. GENETIC MODEL: Algoma-type iron deposits were formed by the deposition of iron and silica in colloidal size particles by chemical and biogenic precipitation processes. Their main constituents evidently came from hydrothermal

  • 1 IRON ORE DEPOSITS OF INDIA - INFLIBNET Centre

    to a very rapid growth in the sponge iron industry. 1.2 Forms of Iron ore: Iron ore of size more than 10 mm and up to 150 mm is being classified as lump ore which are used mainly in blast furnaces and sponge iron plants. Iron ore of size less than 10 mm is classified as fines. The fines are used either in the production of sinters or pellets.

  • Algoma-, Superior-, and oolitic-type iron deposits of the

    High-grade hematitic iron ores (or HIF, containing 6065 percent Fe) have been mined in Mauritania from Superior-type iron deposits since 1952. Depletion of the high grade ores in recent years has resulted in a number of new projects focused on lower grade magnetite ores in Algoma-type banded iron formation (or BIF, containing approximately 35 percent Fe).

  • CLASSIFICATION OF ORE DEPOSITS 1.ppt - 2.1 CLASSIFICATION

    background Why the need for classification? Number of mineral deposits are large Iron ore deposits; pyrometasomatic deposit, banded iron formation (BIF), ironstones, etc Igneous deposits; hydrothermal, magmatic, etc Secondary deposits:Bauxite,

  • GY 111 Lecture Note Series Economic Geology

    iron ore iron ore iron ore jewelry, copper ore electronic applications zinc ore lubricant, talcum powder referred to as Mississippi Valley-Type Lead-Zinc Ore deposits (MVT ores). The mechanism of formation is remarkably similar to that of the other hydrothermal deposits. Groundwater seeps downward through

  • Iron and Manganese Ore Deposits: Mineralogy,

    2. Iron Ore Deposits Iron ore deposits are known to occur in sedimentary, hydrothermal, and magmatic environments, but production today is almost entirely from three types of deposit: deposits related to Precambrian banded iron formations provide about 90% of all iron ore mined, and the remainder is derived from metasomatic skarn and magmatic

  • Labrador Iron Mines Holdings Limited :: Deposit Types

    The types of iron ores developed in the deposits are directly related to the original mineral facies. The predominant blue granular ore was formed from the oxide facies of the middle iron formation. The yellowish-brown ore, composed of limonite-goethite, formed from the carbonate-silicate facies, and the red painty hematite ore originated from

  • Epithermal Gold Deposits : their characteristics & modeling

    Ore deposits: Classification vs Modeling Each ore deposit is unique like a persons finger print This uniqueness arises out of : ¾fundamental differences in processes and environments ¾local, site-specific geologic variations And produces an extremely large variation in characteristics ¾If we group the deposits according to their characteristics, we get a

  • Magmatic ore deposits (Chapter 2) - Ore Deposit Geology

    Magmatic ore deposits, also known as orthomagmatic ore deposits, are deposits within igneous rocks or along their contacts in which ore minerals crystallised from a melt or were transported in a melt. Ore deposits that form in and around igneous rock units as a result of mineral precipitation from aqueous solutions or hydrothermal fluids are hydrothermal ore deposits.

  • MINERALOGY AND PETROLOGY OF SKARN DEPOSITS

    MINERALOGY AND PETROLOGY Of SKARN DEPOSITS 861 3. They are closely associated genetically and spatially with other types of ore deposits, such as porphyry copper and greisen deposits. 4. Their intimate admixture of iron·rich skarn minerals and ore minerals

  • Magmatic Ore Deposits - BU

    2-Sub concordant deposits: This type makes up about 25 % of the chromite occurrences. 1-Such ore bodies have internal structure make angle of 20 with dunite wall and surrounding peridotite 2-Lineation within the ore can be follow local change in the dipof ore sheet. 3-These deposits

  • GY 111 Lecture Note Series Economic Geology

    iron ore iron ore iron ore jewelry, copper ore electronic applications zinc ore lubricant, talcum powder referred to as Mississippi Valley-Type Lead-Zinc Ore deposits (MVT ores). The mechanism of formation is remarkably similar to that of the other hydrothermal deposits

  • The Chinese Iron Ore Deposits and Ore Production IntechOpen

    Jul 11, 2018· Probably due to large national land area and multi-period orogeny, from the view of metallogeny, lots of iron deposits developed in China, and the proven total reserves of iron ores are relatively abundant, but mainly low-grade ores. For years, Chinas iron ore reserves are far from being able to meet the requirement of rapid development of steel industry.

  • Geology, Prospecting and Exploration for Iron Ore Deposits

    Apr 09, 2015· Igneous ores -These iron ore deposits are formed by crystallization from liquid rock materials, either as layered type deposits that possibly are the result of crystals of heavy iron bearing minerals settling as they crystallize to form iron rich concentrations, or as deposits which show intrusive relationship with their wall rocks.

  • Topic 1-Concepts of an ore deposit - SlideShare

    Feb 02, 2016· Topic 1-Concepts of an ore deposit 1. Introduction to Mining Geology Hassan Z. Harraz [email protected] 2010- 2011 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point

  • PPT Ores PowerPoint presentation free to download - id

    China was the largest country accounting for $29.5 billion or 48.3% of the global all other metal ore mining market. PowerPoint PPT presentation free to view Global Metal Ore Mining Market Research Report 2019-2022 - Latest research report Metal Ore Mining Market published by TBRC provides Market Analysis Forecast, Size, Trends, Key

  • Classification of Mineral Deposits Geology for Investors

    Jul 29, 2013· Most mineral deposits are formed by more than one process, so attaching a single label to them is difficult. Hence, there is a tendency to talk about Stillwater Complex type or Carlin-type gold deposits, which rather defeats the purpose of finding a general from the specific. There are two main approaches to mineral deposit classification.

  • Processes of Ore Formation

    Gold deposits of Yellowknife, B.C. and the Mother Lode, CA. Metamorphic Processes. Pyrometasomatic (skarn) deposits formed by replacement of wall rocks adjacent to an intrusive. W deposits at Bishop, CA. Fe deposits Iron Mtn UT. Initial or further concentration of ore elements by metamorphic processes. Homestake Au Mine, Lead, South Dakota.

  • Iron Ore Iron Ore Iron - Scribd

    Iron Ore can look like many things depending on what grade the ore is if it is a high grade such as Hematite (70.0%) or Magnetite (72.4%) then the ore will have a silver gray type but if the ore has a lower iron content like Goethite (62.9%) or Siderite (48.3%) then it is more likely to look like the type of rock that it was mined from.

  • (PDF) The mineral exploration of the iron ore deposits in

    The ironstone deposits of the area are of bedded oolitic type and occur in the form of two bands inter-bedded with ferruginous sandstone and clay capping Precambrian rocks. The thickness of the bands varies from 0.5 to 3.5 m. The magnetic measurements are condensing along the Six mines where the iron ore bodies are concentered.

  • Minerals Resources

    Puttumala had retrieved 0.0067 million tonnes of an average grade of 14.99 g/t. In view of this a conglomeration of a number of small prospects could be a viable prospecting and exploration strategy for the Attappady gold deposits. IRON ORE Five iron ore deposits of banded magnetite quartzite type have been identified in

  • Algoma-type banded-iron formation deposit Britannica

    Other articles where Algoma-type banded-iron formation deposit is discussed: mineral deposit: Iron deposits: of BIF, known as an Algoma type, formed over a much wider time range than the Lake Superior type (from 3.8 billion to a few hundred million years ago). Algoma-type BIFs are also finely layered intercalations of silica and an iron mineral, generally hematite or magnetite, but the

  • Sedimentary Materials - University of Vermont

    Arial Wingdings Times New Roman Default Design Ores Slide 2 Ore Deposits Gold Au Ore minerals Economic Geology Slide 7 Slide 8 Slide 9 Slide 10 Black smoker metal precipitation Ore deposit environments Ore deposit environments Geochemical Traps Hydrothermal Ore Deposits Massive sulfide deposits Vermont Copperbelt

  • ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G

    PRIMARY EXPRESSIONS OF ORE DEPOSITS A well known aspect of ore deposit expression is the association of particular ore types with particular host rock assemblages, i.e., the ore-host rock association (e.g., Stanton, 1972). This association broadly reflects the geological environment and processes that have formed the ore.

  • Iron Ore Mining PowerPoint PPT Presentations - PowerShow

    Iron ore mining Industry Research , Global Mine Level Cost - This report provides a breakdown of mining cash costs per tonne for individual iron ore operations, company production and country production. Timetric's analysis covers 70 iron ore operations accounting for over 1,300Mt of iron ore production globally, the majority of which is export production.

  • Mineral Commodities of

    Geology of the Iron-Ore Deposits Although iron is present in most common rock types, it is generally uneconomic, or in forms that are not read-ily processed. Iron-ore deposits generally have >25 wt % Fe, usually in the form of hematite (Fe 2 O 3), magnetite (Fe 3 O 4), goethite (FeO(OH)), limonite (FeO(OH)nH 2 O) or siderite (FeCO 3). Iron

  • Classification of ore deposits - SlideShare

    Oct 22, 2017· 10. Schneiderhöhn Classification Schneiderhöhn also considered only mineral deposits related to magmatic processes. Four main classes are recognized depending on the nature of the ore-bearing fluids: intrusive and liquid-magmatic

  • (PDF) Types and general characteristics of the BIF-related

    mineral a ssemblage, and grade o f the ores, the B IF-relat ed sediment ary. metamorphi c type iron deposit s in China can be div ided into seven. types ( Table 1 ): (1) Anshan-type: associated

  • Economic ore deposits in impact structures

    types of ore deposits in impact structure settings have been distinguished: (1) progenetic (i.e., pre-impact) deposits that already existed in the target regions prior to an impact event, but may have become accessible as a direct result of the impact; (2) syngenetic (syn-impact) deposits that owe


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