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banded iron formation of hamersley basin

bandediron formation In mineral deposit Iron deposits Australia studied deposits in the Hamersley Basin and found that individual thin layers could be traced for more than 100 kilometres

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  • Hydrogeological constraints on the formation of

    Hydrogeological constraints on the formation of

    May 27 2019 · Schmidt P W Clark D A Palaeomagnetism and magnetic anisotropy of Proterozoic bandediron formations and iron ores of the Hamersley Basin Western Australia Precambrian Res 69

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  • Banded Iron Formation  an overview  ScienceDirect Topics

    Banded Iron Formation an overview ScienceDirect Topics

    Banded iron formation BIF is both the most easily identifiable of all sedimentary rocks and the one whose origin is most enigmatic Its flamboyant mesoscale banding is defined by planar variations in the proportions of the two main mineral components – quartz and iron oxides – each of which forms about half of the mass of the rock

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  • RTZ Iron Ore Mine Hamersley Basin Western Australia

    RTZ Iron Ore Mine Hamersley Basin Western Australia

    The Hamersley iron resources contained in banded iron formations of precambrian age cover extensive areas of the Pilbara region Haematite is the principal iron mineral In the first quarter of 2010 proven and probable reserves at Hamersley’s Pilbara operations yielded 3344Mt of saleable ore The Robe River operations had a further 696Mt of proven and probable ore grading between 572 and

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  • Oxygen Isotope Study of Paleoproterozoic Banded Iron

    Oxygen Isotope Study of Paleoproterozoic Banded Iron

    The Dales Gorge Member DGM of the Brockman Iron Formation Hamersley Basin Western Australia is a classic banded iron formation BIF that was deposited during the ArcheanProterozoic

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  • Banded iron formation  Sandatlas

    Banded iron formation Sandatlas

    Banded iron formation is a chemogenic sedimentary rock material is believed to be chemically precipitated on the seafloor Because of old age BIFs generally have been metamorphosed to a various degrees especially older types but the rock has largely retained its original appearance because its constituent minerals are fairly stable at higher temperatures and pressures

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  • PDF Banded iron formation to iron ore A record of the

    PDF Banded iron formation to iron ore A record of the

    Banded iron formations BIF are the protolith to most of the worlds largest iron ore deposits Previous hypogene genetic models for Paleoproterozoic Lake Superior BIFhosted deposits invoke

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  • Mineralogy and petrology of parts of the Marra Mamba

    Mineralogy and petrology of parts of the Marra Mamba

    tion The upper 107 m of the Marra Mamba in this hole are heavily weathered but the remainder of the core is fresh This study is based on samples from the uppermost 34 m and the lowermost 655 m of the Marra Mamba Iron Formation and the upper 225 m of the underlying Jeerinah Formation The banded ironformations of the Hamersley Ba

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  • Banded iron formation explained

    Banded iron formation explained

    Banded iron formations in northern Minnesota were found directly underneath a thick layer of ejecta from the Sudbury Basin impact At the time of formation Earth had a single supercontinent called Columbia with substantial continental shelves

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  • Deepmarine depositional setting of banded iron formation

    Deepmarine depositional setting of banded iron formation

    Banded iron formation BIF is a uniquely Precambrian rock composed of alternating layers of chert and ironbearing minerals

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  • Hydrogeological constraints on the formation of

    Hydrogeological constraints on the formation of

    May 27 2019 · Schmidt P W Clark D A Palaeomagnetism and magnetic anisotropy of Proterozoic bandediron formations and iron ores of the Hamersley Basin Western Australia Precambrian Res 69

    More Details
  • Earth’s youngest banded iron formation implies ferruginous

    Earth’s youngest banded iron formation implies ferruginous

    The Joffre banded iron formation Hamersley Group Western Australia assessing the palaeoenvironment through detailed petrology and chemostratigraphy Precambrian Research 273 12–37 2016 ADS

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  • The Joffre banded iron formation Hamersley Group

    The Joffre banded iron formation Hamersley Group

    Joffre banded iron formation Hamersley Group Western Australia Assessing the palaeoenvironment through detailed petrology and chemostratigraphy Rasmus iron shuttle to the BIF depositional basin Li et al 2015 Based on rare earth element REE composition of BIF it is

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  • Banded Iron Formation Distribution in Time and

    Banded Iron Formation Distribution in Time and

    Geology of the Hamersley Basin 25th International Geology Congress Sydney Australia Excursion Guide 43A Google Scholar Banded Iron Formation Distribution in Time and Paleoenvironmental Significance In Holland HD Schidlowski M eds Mineral Deposits and the

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  • Banded Iron Formations BIFs and Associated

    Banded Iron Formations BIFs and Associated

    Dales Gorge Member of the Brockman Iron Formation Figure 1 in the Hamersley Basin Western Australia 6 7 and the Kuruman Iron Formation in Griqualand West Basin in South Africa Figure 2 about 248 242 Ga old 8 They are part of a succession of BIF units alternating with carbonate and volcanic rock deposited during

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  • RTZ Iron Ore Mine Hamersley Basin Western Australia

    RTZ Iron Ore Mine Hamersley Basin Western Australia

    It is situated within the Late Archaean to Early Proterozoic 2765–2470Ma Hamersley Basin Geology and reserves The Hamersley iron resources contained in banded iron formations of precambrian age cover extensive areas of the Pilbara region Haematite is the principal iron mineral

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  • Some Precambrian banded ironformations BIFs from

    Some Precambrian banded ironformations BIFs from

    Banded ironformations BIFs occur in the Precambrian geologic record over a wide time span Beginning at 38 Ga Isua West Greenland they are part of Archean cratons and range in age from about 35 until 25 Ga

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  • Deepmarine depositional setting of banded iron formation

    Deepmarine depositional setting of banded iron formation

    1 Introduction Banded iron formation BIF is a uniquely Precambrian rock composed of alternating layers of chert and ironbearing minerals It is generally accepted that BIF is the product of so much diagenetic and metamorphic alteration Trendall and Blockley 1970 Ayres 1972 that its mesoscale compositional variations are not chemical evidence of the depositional environment Holland

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  • Mineralogy and petrology of parts of the Marra Mamba

    Mineralogy and petrology of parts of the Marra Mamba

    Mineralogy and petrology of parts of the Marra Mamba Iron Formation Hamersley Basin Western Australia CoRNnIn KrBn aNo MaRrrN J GoLB Department of Geology Indiana University B lo omington I ndiana 4 7 40 5 Abstract The Marra Mamba Iron Formation of early Proterozoic age probably about 25 Gy is

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  • Banded iron formation explained

    Banded iron formation explained

    Sudbury Basin impact Banded iron formations in northern Minnesota were found directly underneath a thick layer of ejecta from the Sudbury Basin impact At the time of formation Earth had a single supercontinent called Columbia with substantial continental shelves

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  • Iron Deposits – Banded Iron Formations BIF  Geology for

    Iron Deposits – Banded Iron Formations BIF Geology for

    Banded iron formations BIFs are different – they were all formed at a time where the earth was a decidedly different environment than it is today Banded iron formations are critical to our current economy as they are by far the biggest source of economic iron deposits BIF from the USA Image CC A BIF is hard and heavy sedimentary stone

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  • Mineral deposit  Iron deposits  Britannica

    Mineral deposit Iron deposits Britannica

    Mineral deposit Mineral deposit Iron deposits By far the most important metal from an economic and technical point of view is iron Sedimentary iron deposits from which almost all iron is obtained can therefore be viewed as one of the world’s great mineral treasures There are two major types of deposit The first and by far the most important is banded iron formations BIFs so

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  • Oxygen Isotope Study of Paleoproterozoic Banded Iron

    Oxygen Isotope Study of Paleoproterozoic Banded Iron

    The banded iron formations BIF are unique chemical sedimentary rocks that characterized the early Earth Two distinct types of BIF Algoma and Superior types have been recognized categorized based on the geological environment in which the iron formation was deposited Gross 1980 Algoma‐type BIF are commonly hosted in volcanic andor

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  • IronFormation Facts and Problems  Google Books

    IronFormation Facts and Problems Google Books

    Apr 01 2000 · IronFormation Facts and Problems Chapter 13 CHEMICAL FACTORS IN THE DEPOSITION AND DIAGENESIS OF BANDED IRONFORMATION and Morris ferruginous fold Fortescue Group Geol geology goethite Gole grade greenalite Griquatown grunerite Gunflint Iron Hamersley Basin Hamersley Group hematite ironformation ironrich jaspilite Kaapvaal craton

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  • Chemical composition of banded ironformations of the

    Chemical composition of banded ironformations of the

    The general geochemical similarity of the Griquatown and Kuruman Iron Formations with other Proterozoic and Archaean ironformations in the world and especially with those of the Hamersley Basin leads us to the conclusion that the BIF of the Griqualand West Sequence are representatives of typical largescale ironformations of the Precambrian

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  • Hot dry and ancient Banded iron Formations oF

    Hot dry and ancient Banded iron Formations oF

    outlined The Hamersley Range is the extensive mountain system south of the Fortescue Valley with the Chichester Range occurs to the north Simplified craton boundary in red the background digital elevation model shows lowlands in green and uplands in browns to purples Hot dry and ancient banded iron formations of western Australia

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  • Magnetic petrophysical results from the Hamersley Basin

    Magnetic petrophysical results from the Hamersley Basin

    An extensive magnetic petrophysical investigation was carried out in the Hamersley Basin in Western Australia which hosts large highgrade ironore deposits derived from banded iron formations BI

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  • Banded Iron Formations BIFs and Associated

    Banded Iron Formations BIFs and Associated

    Dales Gorge Member of the Brockman Iron Formation Figure 1 in the Hamersley Basin Western Australia 6 7 and the Kuruman Iron Formation in Griqualand West Basin in South Africa Figure 2 about 248 242 Ga old 8 They are part of a succession of BIF units alternating with carbonate and volcanic rock deposited during

    More Details
  • The Joffre banded iron formation Hamersley Group

    The Joffre banded iron formation Hamersley Group

    Abstract The Joffre Member of the Brockman Iron Formation is by volume the largest single known banded iron formation BIF in the world Here we present detailed petrology and chemostratigraphy through the entire 355 m core section of this ∼245 billion year old unit Oxide BIF and silicate–carbonate–oxide BIF dominate the lithology with minor amounts of interbedded stilpnomelane

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  • Formation of syngenetic and early diagenetic iron

    Formation of syngenetic and early diagenetic iron

    1000 m of banded iron formation kerogenous shales basinal carbonates cherts and clastics in the lower part of the Hamersley Group The base of the core is the Mt Sylvia Formation which passes up into 85 m of Mt McRae Shale and is capped by the Dales Gorge Member of the Brockman Iron Formation These sediments have experienced

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  • Asteroid megaimpacts and Precambrian banded iron

    Asteroid megaimpacts and Precambrian banded iron

    Asteroid megaimpacts and Precambrian banded iron formations 263 Ga and 256 Ga impact ejectafallout at the base of BIFargillite units Hamersley Basin Pilbara Craton Western Australia

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  • Banded iron formations figure 1 formed rapidly

    Banded iron formations figure 1 formed rapidly

    Banded iron formations formed rapidly Harry Dickens A banded iron formation BIF is a sedimentary rock characterized by alternating bands of iron oxide and chert Individual bands may vary in thickness from less than a millimetre to metres and the overall succession of bands may be hundreds of metres thick The principal iron

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  • Photoferrotrophy deposition of banded iron formations

    Photoferrotrophy deposition of banded iron formations

    Banded iron formation BIF deposition was the likely result of oxidation of ferrous iron in seawater by either oxygenic photosynthesis or irondependent anoxygenic photosynthesisphotoferrotrophy BIF deposition however remains enigmatic because the photosynthetic biomass produced during iron oxidation is conspicuously absent from BIFs

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  • Iron Deposits – Banded Iron Formations BIF  Geology for

    Iron Deposits – Banded Iron Formations BIF Geology for

    Banded iron formations BIFs are different – they were all formed at a time where the earth was a decidedly different environment than it is today Banded iron formations are critical to our current economy as they are by far the biggest source of economic iron deposits BIF from the USA Image CC A BIF is hard and heavy sedimentary stone

    More Details
  • IronFormation Facts and Problems  Google Books

    IronFormation Facts and Problems Google Books

    Apr 01 2000 · IronFormation Facts and Problems Chapter 13 CHEMICAL FACTORS IN THE DEPOSITION AND DIAGENESIS OF BANDED IRONFORMATION and Morris ferruginous fold Fortescue Group Geol geology goethite Gole grade greenalite Griquatown grunerite Gunflint Iron Hamersley Basin Hamersley Group hematite ironformation ironrich jaspilite Kaapvaal craton

    More Details
  • Oxygen Isotope Study of Paleoproterozoic Banded Iron

    Oxygen Isotope Study of Paleoproterozoic Banded Iron

    A submillimeter‐scale variation of δ18O in quartz was identified in chert and Fe‐oxide mesobands of the Brockman Iron Formation Western Australia using an in situ CO2‐laser fluorination technique

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  • Banded Iron Formation Distribution in Time and

    Banded Iron Formation Distribution in Time and

    Geology of the Hamersley Basin 25th International Geology Congress Sydney Australia Excursion Guide 43A Google Scholar Banded Iron Formation Distribution in Time and Paleoenvironmental Significance In Holland HD Schidlowski M eds Mineral Deposits and the

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  • MultiPhysics Location Hamersley Basin IRON ORE

    MultiPhysics Location Hamersley Basin IRON ORE

    Hamersley Basin The gravity gradient image b has boundaries drawn around three high amplitude features and the same boundaries are drawn in the magnetic image The white boundaries are iron ore targets and the black boundary is an unmineralized banded iron formation

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