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Transcription 1223 kb Wyoming State Water Plan
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An interesting deposit of oolitic magnetic ore occurs in the Dogger Inferior Oolite of Rosedale Abbey in Yorkshire and a somewhat similar pisolitic ore of Jurassic age is known on the continent as chamoisite having been named from Chamoison or Chamoson in the Valais Switzerland Grains of magnetite occur in serpentine as an alteration product of the olivine In emery magnetite in a
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two others MEN Menera mining district Spain RR Robe River mining district Western Australia were kindly provided by Hoogovens Ltd Beverwijk The Netherlands The samples comprise two marine oolitic iron ores MKB MBL a fluviatile pisolitic replacement ore RR a caprock ore above sideritic iron MEN and a
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1988 Humphreys 2024 Recent work along the Robe River has however also collected this fauna from vuggy and cavernous strata in pisolitic mesa formations Biota 2024 as well as alluvium and colluvium deposits in the Pilbara Biota unpublished data
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PorterGeo Database Ore Deposit Description 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
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1 Pisolitic ironstone that represents deposits of alluvial material deposited into ancient channels of the Robe River system and where drilling by the Company has delineated the Robe Mesa and Robe Extension deposits on E08/1060 and E08/1686 and the P529 deposit on MLA08/519 Fig 2 2 Magnetite bearing schists in the Proterozoic aged
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Major producing CIDs include Robe River Rio Tinto and Yandicoogina BHP Typical composition of ore from Yandicoogina is about 58% Fe % P % SiO2 and % Al2O3 The source of iron for the CIDs is believed to be a Miocene aged iron‐rich soils which developed upon a palaeosurface since eroded which developed in the Early Miocene during hot humid conditions The erosion of this
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Work on the Robe River Joint Venture s US$450 million West Angelas iron ore mine and port facilities in Western Australia was completed in mid 2024 and the first shipments were made Freeport Indonesia s Deep Ore Zone DOZ underground block cave project was declared fully operational from 1 October 2024 This achieved design capacity of
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Gold mineralization 1 2 g/t Au occurs as oxide ore down to 70 m below the base of the paleochannel and the hypogene ore g/t Au extends to 400 m Lead Zn and Cu sulfides occur within the ore Oxide mineralization consists of a 70 to 100 m wide moderately east dipping Au bearing zone in clay rich saprolite with some sub horizontal supergene Au developed in the upper part of the
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ROBE RIVER SEA LEVEL —10 000 FT MT CONSTANTINE 1 Evelyn Copper MinÅl SEA LEVEL — Fr J INDEX TO DAMPIER SF 50 2 YARRALOOLA SF 50 6 WY LOO SF 50 10 RELIABILITY B2 20 Miles Yards 30 Kilometres FLIGHT DIAGRAM Air Photography by Lands and Surveys Department of Western Australia September 1956 5767 5041 Run 12 Run 5m Bruce Run
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Registered Office Exploration Office Ground Floor 43 Ventnor Ave West Perth WA 6005 Level 2 9 Havelock Street West Perth WA 6005 ABN 44 114 553 392 Postal Address PO Box 1160 West Perth WA 6872 Telephone 61 8 9322 1755 Facsimile 61 8 9481 0663
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paco pacu red reddish reddish ore containing silver perh a different word ] Min An earthy looking ore consisting of brown oxide of iron with minute particles of native silver Ure
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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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The Robe Mesa Iron Ore Deposit Robe Mesa on the 85% CZR owned Yarraloola Project is located 150 kilometres southwest of Karratha and 20 kilometres to the east of a bitumen sealed highway that connects to all 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
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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 series of channel iron deposits within the drainage basins These deposits are variably
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United States Coziron opts to buy Yarrie iron ore Oct 03 2024 · The drilling program will comprise 2 200 meters of reverse circulation drilling on the Robe River pisolitic iron stone target and the Ashburton magnetite targets Additional rock chip samples from the upper level of the Robe River target indicated grades of 57 8 to 59 7 iron and confirm the area as a priority drill target
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U Th /He geochronology of channel iron deposits Robe River Hamersley Province Australia implications for ore genesis Proceedings Iron Ore 2024 Perth Western Australia Austral Inst Min and
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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 ores have been mined from a number of deposits near Pannawonica by Robe River Associates since 1972 Mesa J is the largest of the deposits worked in the district and is a pisolitic goethite hematite ore with a grade of % Fe over a thickness of up to 50 m Overburden consists of thin soil horizons clay and weathered goethite and sometimes calcrete colluvium and alluvium
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Industry Sector Turnover m Profit m EPS Basic PE Ratio Market Cap m Mining 78 296
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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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Check out our pisolitic ore selection for the very best in unique or custom handmade pieces from our shops
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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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iron ore robe river agreement act 1964 sixth schedule — sixth variation agreement [s 2] [heading inserted no 61 of 2024 s 10 ] 2024 the honourable colin james barnett premier of the state of western australia and robe river limited acn 008 478 493 robe river mining co pty limited acn 008 694 246 mitsui iron ore
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Rock density at the iron ore deposits can change at the short distance from to 4 t/m 3 emphasising that their host structure is the course of an ancient river Harmsworth et al 2024 Ramanaidou et al 2024 These deposits are found mainly in the Robe River and Yandicoogina Creek palaeo drainage systems Harmsworth et al 1990 Fig a World map showing location of the studied
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A detailed description of the Robe River oolitic iron ores of the Hamersley Range region in Western Australia has been published by Boyum and Han 1964 which gives photographs of the various struc tures of magnetic and non magnetic oolitic iron ores from that region Harms and Morgan 1964 referred to this material as pisolitic limo nite in their description of the history
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Robe River iron ore project Western Australia Perth The Co MLA Citation Cliffs Western Australian Mining Co Robe River iron ore project Western Australia / [Cliffs Western Australian Mining Co Pty Ltd ] The Co Perth 1972 Australian/Harvard Citation
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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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