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首页> 外文会议>Iron ore 2011 >Characterisation of Bedded and Channel Iron Ore Deposits Using CSIRO's HyLogging? Systems
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Characterisation of Bedded and Channel Iron Ore Deposits Using CSIRO's HyLogging? Systems

机译：使用CSIRO的HyLogging表征层状和槽式铁矿石矿床？系统篇

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摘要

This study demonstrates the application of HyLogging(TM) technologies for mineralogicalrncharacterisation of different iron ore types throughout the Hamersley Province (WesternrnAustralia), including a channel iron deposit (Murchison Metals Ltd) and bedded iron deposits inrnthe Brockman and Marra Mamba Iron Formations (BHP Billiton Ltd).rnDrill core from these deposits was analysed using CSIRO's hyperspectral drill core loggingrnsystems (HyLogging systems), which are commercially available at the AMDEL and AMMTECrnlaboratories in Perth (Western Australia), through a leasing agreement. These HyLogging systemsrnprovide high resolution photographs at 0.1 mm pixel resolution as well as visible and infraredrnspectroscopic refl ectance data at 1 cm spatial resolution. The minerals identifi ed include haematite,rngoethite and its subtypes (ie vitreous and ochreous goethite), AlOH-clays (kaolinite, Al-smectiternand white mica), carbonates, gibbsite, chlorite, amphibole and hydrated silica as well as waterrncontent. The abundance and composition of these minerals was established from the spectral datarnand was validated against XRF analyses.rnThe full potential of HyLogging systems in the iron ore industry is only starting to be unveiled,rnbut some major benefi ts have already been demonstrated:rn1. HyLogging systems can delineate different ore zones by mapping the vitreous and ochreousrngoethites. This has a potentially large impact in mine planning and operations, as hard, vitreousrngoethite and soft, powdery, ochreous goethite have different processing characteristics that canrnaffect plant throughput if not carefully managed.rn2. HyLogging mineralogy can also be used to support stratigraphic interpretations of the host, forrnexample in subdividing the Dales Gorge 1 - 4 submembers of the Brockman Iron Formation.rn3. HyLogging can have a potentially signifi cant impact on waste rock characterisation, as manyrnof the waste materials can be identifi ed and quantifi ed with hyperspectral data (eg clay-type,rnhydration state).rn4. HyLogging can provide accurate three-dimensional (3D) mineralogy to iron ore companiesrnthat will empower them to improve future exploration and resource planning.rn5. Application of high resolution photography to further improve ore deposit domaining is alsornto be considered.
机译：这项研究证明了HyLogging（TM）技术在整个Hamersley省（WesternrnAustralia）的不同铁矿石类型的矿物学表征中的应用，包括通道铁矿床（Murchison Metals Ltd）和Brockman和Marra Mamba铁矿床中的层状铁矿床（BHP Billiton）使用CSIRO的高光谱钻芯测井系统（HyLogging系统）分析了这些沉积物中的钻芯，该系统可通过租赁协议在珀斯的AMDEL和AMMTECrnlaboratories商购。这些HyLogging系统可提供0.1毫米像素分辨率的高分辨率照片以及1厘米空间分辨率的可见光和红外光谱反射数据。鉴定出的矿物包括赤铁矿，菱铁矿及其亚型（即玻璃质和黄土针铁矿），AlOH黏土（高岭石，铝次硅藻土和白云母），碳酸盐，三水铝石，绿泥石，闪石和水合硅石以及水含量。通过光谱数据确定了这些矿物的丰度和组成，并通过XRF分析对其进行了验证。rn铁矿石行业HyLogging系统的全部潜力才刚刚开始被揭示，但是一些主要的好处已经得到证明：rn1。 HyLogging系统可以通过绘制玻璃质和蛇绿铁矿来描绘不同的矿石区域。这对矿山的规划和运营具有潜在的巨大影响，因为如果不精心管理，硬的，玻璃状的白铁矿和软的粉状的针状白铁矿具有不同的加工特性，会影响工厂的生产量。 HyLogging矿物学也可用于支持对地层的解释，例如，将布罗克曼铁矿的Dales Gorge 1-4个子成员细分3。 HyLogging可能会对waste石的表征产生潜在的重大影响，因为可以使用高光谱数据（例如黏土类型，水化状态）来识别和量化许多废料。 HyLogging可以为铁矿石公司提供准确的三维（3D）矿物学信息，从而使他们能够改善未来的勘探和资源规划。还需要考虑使用高分辨率照相技术来进一步改善矿床区域划分。

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  • 来源
    《Iron ore 2011》|2011年|p.249-255|共7页
  • 会议地点 Perth(AU)
  • 作者

    M Haest; T Cudahy; C Laukamp; E R Ramanaidou; S Gregory; J C Stark; D Podmore;

  • 作者单位

    Centre of Excellence for 3D Mineral Mapping – CSIRO Earth Science and Resource Engineering, 26 Dick Perry Avenue, Kensington WA 6151. Email: Maarten.Haest@csiro.au;

    Director of WA Centre of Excellence for 3D Mineral Mapping and Leader of CSIRO's Minerals and Environmental Sensing Group, CSIRO Earth Science and Resource Engineering, 26 Dick Perry Avenue, Kensington WA 6151. Email: Tom.Cudahy@csiro.au;

    Centre of Excellence for 3D Mineral Mapping – CSIRO Earth Science and Resource Engineering, 26 Dick Perry Avenue, Kensington WA 6151. Email: Carsten.Laukamp@csiro.au;

    Iron Ore – CSIRO Earth Science and Resource Engineering, 26 Dick Perry Avenue, Kensington WA 6151. Email: Erick.Ramanaidou@csiro.au;

    Murchison Metals Ltd, Level 1, 5 Ord Street, West Perth WA 6005. Email: SGregrory@mml.net.au;

    BHP Billiton Ltd, 225 St Georges Terrace, Perth WA 6000. Email: Camilla.Stark@bhpbilliton.com;

    BHP Billiton Ltd, 225 St Georges Terrace, Perth WA 6000. Email: Darryl.C.Podmore@bhpbilliton.com;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 铁矿石;
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