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This valley could host reworked pisolitic paleochannel iron ores of Robe River type known deposits of this type are prized for their low impurities such as phosphorus It is likely that all iron rich laterite residual and paleochannel deposits are unconsolidated and close to the sea floor perhaps covered in only a few centimetres of recent sand shell grit and mud
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Palaeogeographic reconstructions indicate that parts of the Australian continent have been subaerially exposed for hundreds of millions of years Some landforms and regolith are demonstrated to be at least 300 million years old but their persistence at or near the surface is inconsistent with long‐term denudation rate estimates based on cosmogenic nuclides and apatite fission track
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Robe River Mining Co Pty Limited ACN 008 694 246 File Number DER2014/000868 Premises Mesa A Warramboo Iron Ore Mine Mining Tenement ML248SA AML 70/248 FORTESCUE WA 6716 Part of Lot 300 on Deposited Plan 63514 Part of Lot 307 on Deposited Plan 63519 Lot 92 on Deposited Plan 215602 Crown Reserve 39702 Date of Report 1 May 2024 Status of Report Final Amendment Decision
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Iron Ore Robe River Agreement Act 1964 An Act relating to an Agreement between the State of Western Australia and Basic Materials Pty Limited with respect to certain iron ore deposits and for other purposes 1 Short title This Act may be cited as the Iron Ore Robe River Agreement Act 1964 1 [Section 1 amended by No 87 of 1987 s 4 ] 2
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Cliffs Robe River Iron Associates 1975 Robe River iron ore project Western Australia Perth Cliffs Robe River Iron Associates MLA Citation Cliffs Robe River Iron Associates Robe River iron ore project Western Australia / Cliffs Robe River Iron Associates Cliffs Robe River Iron Associates Perth 1975 Australian/Harvard Citation
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Pisolitic iron ores aka channel iron deposits CID are a special case of transported pisolitic ferricrust that form an important resource of medium grade iron ore 57 60 wt% Fe in the Pilbara Region of Western Australia Apart from minor deposits in the northern Yilgarn Province of Western Australia they have not been found elsewhere They differ from normal transported ferricrust and
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Older sand bodies are ferruginized with thin iron enriched pisolitic cappings 50 Their occurrence coincides with the availability of sand size sediments weathered from the Mesozoic sandstones and an orientation of the coast that allows the higher energy south easterlies of winter to mobilize the sands However much of the dune fields have formed during glacially lowered sea level episodes
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Jul 30 2021robe river pisolitic ore Robe River Iron Associates RRIA or Robe is widely regarded as the worlds most costeffective consistent and reliable supplier of iron ore It has been in operation since 1972 and globally is the fourth largest seaborne trader in iron ore exporting 255 million tonnes of 95 mm sinter fines and 45 million tonnes of pisolite
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The deposit represents the track of a Tertiary aged channel from the Robe River into older rocks of the Ashburton formation that have since eroded Drilling has identified two intervals of flat lying pisolitic iron stone sediments that are each up to 25m thick and separated by up to 20m of shaley material CZR geologists provided mineralisation
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Processing of Pisolitic Iron Ore at Mesa J Robe River Iron Associates RRIA or Robe is widely regarded as the world s most costeffective consistent and reliable supplier of iron ore It has been in operation since 1972 and globally is the fourth largest seaborne trader in iron ore exporting 255 million tonnes of 95 mm sinter fines and 45 million tonnes of pisolite lump 315 63 mm during 1999
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Figure 1 Simplified geological map above of the Robe River CID and a photograph left of Mesa J Reproduced from Danisik et al 2024 and Morris and Ramanaidou 2024 Photograph right depicting oolitic CID ore material comprised of goethite hematite and minor quartz Weathering processes have extensively concentrated Fe
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The origin of terrestrial pisoliths and pisolitic iron ore deposits Raindrops and sheetwash in a semi arid environment article{Lascelles2016TheOO title={The origin of terrestrial pisoliths and pisolitic iron ore deposits Raindrops and sheetwash in a semi arid environment} author={Desmond F Lascelles} journal={Sedimentary Geology} year={2024} volume={341} pages={232 244} } Desmond F
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• Yalleen Iron Ore JV the 2024 program of RC and diamond drilling at Kumina The Yalleen Iron Ore JV Project covers approximately 600km² of the upper reaches of the Robe River drainage system Pisolitic iron mineralisation in buried palaeodrainage systems developed from erosion of iron rich strata in the northern Hamersley Range create a series of channel deposits under the Quaternary
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IRON ORE Joint Venture or Mitsui s Percentage of Ownership Other Major Participants and Their Percentages of Ownership Robe River Iron Associates Mitsui Iron Ore Development Pty Ltd Pannawonica West Angelas Pilbara Region Western Australia % Rio Tinto Nippon Steel % % Sumitomo Metal Industries % Mount Newman Joint Venture Mitsui Itochu Iron Pty Ltd Mount
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Iron Ore prospect Located 5 kilometres east of the active Mesa A mine directly south of the Mesa D prospect with the Robe River 2 kilometres to the east Mineral List No mineral species recorded Rock Types Recorded Note this is a very new system on and data is currently VERY limited Please bear with us while we work towards adding this information Select Rock List Type
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Robe River esas ••••••••••••••••••••••• 37 pisolitic ore and is underlain by a c en ented pisolitic ore with vary little matrix I he lowest horizon is a tubular ore that occurs in secondary solution cha 3 The deposits average four meters thick but range widely Reserves are roughly 250 million tons with 51 Al203 • Weioa
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ore companies suggest the project economics for Yalleen are positive Project Background The Yalleen Iron Ore JV Project covers approximately 600km² of the upper reaches of the Robe River drainage system Pisolitic iron mineralisation in buried palaeodrainage systems developed from erosion of iron rich strata in the Hamersley Range to create a
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The Robe Mesa Iron Ore Deposit Robe Mesa on the 85% CZR owned Yarraloola Project is located 150km southwest of Karratha and 20km to the east of a bitumen sealed highway that connects to all the ports and towns along the coast of the Pilbara Figure 1 The deposit is a CID ore type reflecting the depositional environment of the iron rich pisolites and fragments of iron replaced wood in
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Site visit to iron ore operations in Western Australia Know More best iron ore producer in the world 2 Value Driven Growth Disciplined phasing and low cost growth options 1 Production at the Right Cost Unit cost shown on the graph is Rio Tinto share of Hamersley Iron and Robe River calculated from cash costs for Hamersley Iron and Robe River Excludes royalties shipping costs and in 2024
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Industry Sector Turnover m Profit m EPS Basic PE Ratio Market Cap m Mining 78 296
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Economically important however are the so called Robe River type deposits of Western Australia These Tertiary deposits may be oolitic and pisolitic laterites that were reworked and concentrated by river systems during the Tertiary Period Typically the pisolitic goethite hematite ore yields grades of 55 59 wt% Fe 5 6 wt% SiO2 2
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2024 05 18T21 05 41 00 00 Geological map of the lower Robe River Valley Geological map of the lower Robe River Valley showing distribution of pisolitic limonite deposits2016 7 15 MacLeod 1966 introduced the term pisolitic iron ore for the Robe Pisolite Formation of the Hamersley Province which he regarded as the equivalent of the Poondano Formation on the Pilbara Craton
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Processing of Pisolitic Iron Ore at Mesa J AusIMM Robe River Iron Associates RRIA or Robe is widely regarded as the world s most cost effective consistent and reliable supplier of iron ore It has been in operation since 1972 and globally is the fourth largest seaborne trader in iron ore exporting million tonnes mm sinter fines and million tonnes of pisolite Get Price Rio
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Check out our pisolitic ore selection for the very best in unique or custom handmade pieces from our shops
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The Robe River pisolitic iron ores have been mined from a number of deposits near Pannawonica by Robe River Associates since 1972 The current long term operation in the district is the Mesa A and Mesa J deposit Pannawonica is some 190 km NW of Tom Price and 140 km SW of its export port at Cape Lambert Location 21 176 40 50 S 116 176 19 10
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Robe River Iron Associates RRIA or Robe is widely regarded as the world s most cost effective consistent and reliable supplier of iron ore It has been in operation since 1972 and globally is the fourth largest seaborne trader in iron ore exporting million tonnes of mm sinter fines and million tonnes of pisolite lump mm during 1999
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The Commonwealth Government placed an embargo on all exports in 1938 to conserve available known resources before an export industry could be established but when this was lifted in 1960 it led to a boom in iron ore exploration resulting in the discovery of the Koolanooka deposit in the Yilgarn in 1961 and Mt Tom Price the Pilbara region in 1962 Many discoveries followed including Robe River
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Sep 30 2021Of these 61 species were troglobionts and 48 stygobionts The troglofauna occurs in small voids and fissures in mesas comprised mostly of an iron ore formation while the stygofauna occurs in the alluvium of a river floodplain The richness of the Robe Valley is not a localized aberration but rather reflects the richness of the arid Pilbara
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