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Strip ratio definition iron ore

  • Glossary of Steel Industry Terms - American Iron and Steel

    Normally used for iron ore dust collected from the blast furnaces. Pellets. Iron ore or limestone particles are rolled into little balls in a balling drum and hardened by heat. Briquettes. Small lumps are formed by pressing material together. Hot Briquetted Iron (HBI) is a concentrated iron ore substitute for scrap for use in electric furnaces

  • West Pilbara Iron Ore Reserve and Resource Tables Aquila

    1 Strip ratio is the ratio of mined waste to mined ore (which is slightly higher than product ore due to recovery losses).. Competent Person Statement. The Competent Person responsible for the geological interpretation and the drill hole data used for the resource estimation is Mr Stuart Tuckey who is a full-time employee of API Management Pty Ltd, and Member of the Australasian Institute of

  • Iron Ore - Mining Artifacts

    The size and strip ratio of most magnetite resources is irrelevant as banded iron formations can be hundreds of meters thick, with hundreds of kilometers of strike, and can easily come to more than 2,500 million tons of contained ore.

  • Mining Weekly - Game-changing R3.6bn project positioning

    Because were converting waste into ore, the overall strip ratio of Sishen goes down from 3.8 to 3.1, so this technology really is a game changer for us all around and does position us from a

  • Ore Dilution & Recovery in Mining

    Apr 05, 2017· Under the conditions on the Gogebic iron range, Michigan, where much of the capping carries 40 percent or more iron, a small amount of dilution does not seriously affect the grade of ore mined and the dilution from this source may offset tonnage of ore lost; the net result is therefore likely to be approximately 100 percent tonnage recovery

  • Roy Hill 1 Iron Ore Mining Project Stage 2

    Ore would be transported to the processing plant via conveyor where it would be processed, which involves crushing, wet screening and fines desanding. This would produce lump and fines product and waste fines for disposal. Mining operations would provide 55 million tonnes of ore per annum, with an average overburden to ore strip ratio of 4:1.

  • Surface mining planning and design of open pit mining

    Waste (tons) SR = ---------------- Ore (tons)  For example, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining three cubic meters of waste rock.

  • Iron Ore Official Minecraft Wiki

    2 days ago· Iron ore is a mineral block found underground. It is smelted into iron ingots, which are used to make tools and armor. Deepslate iron ore is a variant found in the deepslate layer of the world, below y=0.[upcoming: JE 1.18& BE 1.18] 1 Obtaining 1.1 Breaking 1.2 Natural generation 2 Usage 2.1 Smelting ingredient 2.2 Note blocks 3 Sounds 4 Data values 4.1 ID 5 History 6 Issues 7 Gallery 8

  • Iron Ore Sinter - an overview ScienceDirect Topics

    Iron ore sinter typically constitutes more than 60% of the blast furnace ferrous burden in modern blast furnaces in East Asia. Granulation and thermal densification are two important steps in iron ore sintering and determine the quality of the resultant sinter and the performance of the sintering process.

  • 1.1 PHASES OF A MINING PROJECT - ELAW

    The ratio of the quantity of overburden to the quantity of mineral ore (called the strip ratio) is usually greater than one, and can be much higher. For example, if a proposed mining project involves the extraction of 100 million metric tons of mineral ore, then the proposed mining project could generate more than one billion metric tons

  • Strip Mining - an overview ScienceDirect Topics

    Strip mining for copper, for example, produces large quantities of tailings that often contain concentrations of ~ 100 to < 10,000 mg kg 1 of such metals as arsenic, cadmium, and lead. Similarly, iron pyrites (FeS 2 ), which are often associated with copper, silver, and lead ores, can have a devastating impact on the aquatic environment

  • Newman iron ore mine Report Wood Mackenzie

    Aug 17, 2020· Contributing to its cost position is the higher average strip ratio of 2.7:1 and the longer average haul distances to crushers owing to the depth of the Mt Whaleback pit. Cash costs fell in 2019 and we expect them to fall again in 2020 due to lower fuel prices and a favourable exchange rate.

  • Brad Gordon Archives - International Mining

    FEL says it has revisited the JWD geological model and mine plan, with opportunities identified for a reduction in the strip ratio and an improved average iron ore head grade. If successfully implemented, this would have a positive impact on its margins through reduced mining costs and improved pricing as a result of higher-grade products than

  • Fe Ltd and Big Yellow make plans to mine JWD iron ore

    FEL says it has revisited the JWD geological model and mine plan, with opportunities identified for a reduction in the strip ratio and an improved average iron ore head grade. If successfully implemented, this would have a positive impact on its margins through reduced mining costs and improved pricing as a result of higher-grade products than

  • Iron Ore SW 7069 - Neutral Paint Color - Sherwin-Williams

    Iron Ore paint color SW 7069 by Sherwin-Williams. View interior and exterior paint colors and color palettes. Get design inspiration for painting projects.

  • Stripping Ratio Mineral Production Activities

    Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage of ore to be mined from the pit. Stripping ratio is influenced by the shape of the orebody and may vary considerably during the life of the mine. Except in rare cases, it increases with depth of

  • Scoping Study April 2016 Update Summary Paper

    Target Case A, being the 2.0Mtpa case, incorporates individual A and B Zone open pits containing 8.0Mt of ore at a strip ratio of 6:1. D Zone open pit contributes 1.6Mt. The D Zone defined underground mining inventory totals 3.8Mt. The 2.0Mtpa case also assumes an additional 2.4Mt of ore from D Zone Underground North and

  • Global Iron Ore & Steel Forecast Our culture to drive

    Western Australia Iron Ore contributing to the broader community and economy Edgar Basto, Asset President Western Australia Iron Ore 29 March 2017 11 Payments to government1 TOTAL $2.5 billion $1.2 billion in wages paid to our workforce of around 16,000 $255 million in contributions to our host communities 100,000 retail shareholders in Western

  • Fe Ltd and Big Yellow make plans to mine JWD iron ore

    Mar 16, 2021· FEL says it has revisited the JWD geological model and mine plan, with opportunities identified for a reduction in the strip ratio and an improved average iron ore head grade. If successfully implemented, this would have a positive impact on its margins through reduced mining costs and improved pricing as a result of higher-grade products than

  • A Glossary of the most common mining terms

    May 04, 2018· Strip ratio: The ratio of tonnes removed as waste relative to the number of tonnes of ore removed from an open-pit mine. For example, a 3:1 stripping ratio means that mining one cubic metre of ore will require mining three cubic metres of

  • Paulsens East Iron Ore Project strikeresources.au

    Oct 30, 2020· Paulsens East Iron Ore Project (Pilbara, Western Australia) (Strike ) In 30 October 2020, Strike announced the completion of the Feasibility Study on Paulsens East Iron Ore Project, which confirmed strong project economics for a 1.5Mtpa production rate over an initial 4 year LOM with direct shipping ore (DSO) (lump and fines) product trucked to Port Hedland for export.

  • Iron Ore Geoscience Australia

    Almost all iron ore is used in blast furnaces to make pig iron, which is the main material for steelmaking. Resource to Production Ratio. Table 3.24 Indicative years of iron ore resources (rounded to the nearest 5 years) as a ratio of Accessible Economic Demonstrated Resources divided by the production rate for each year.

  • Stripping ratio mining Britannica

    In mining: Pit geometry removed is called the overall stripping ratio. The break-even stripping ratio is a function of ore value and the costs involved.

  • Pre-Feasibility Mining Study Weld Range Iron Ore Project

    costs include both waste and ore mining expenditure. Ore costs include expenditure for load and haul, RoM related costs including grade control, ore/waste mining cost margin, stockpile maintenance, pit dewatering, drill and blast Schedule Year RoM (kt) Stockpile Waste (kt) Fe % SiO 2% Al 2O 3% Strip Ratio

  • Corunna Downs Iron Project, Pilbara - Mining Technology

    Located in the Pilbara region of Western Australia, the Corunna Down iron mine is owned by Australian iron ore company Atlas Iron. The mine is situated close to the companys operating mine Mt Webber and the future McPhee project.. The prefeasibility study (PFS) of Corunna Downs was completed in November 2016, while its definitive feasibility study (DFS) was released in December 2016.

  • A Glossary of the most common mining terms

    May 04, 2018· Strip ratio: The ratio of tonnes removed as waste relative to the number of tonnes of ore removed from an open-pit mine. For example, a 3:1 stripping ratio means that mining one cubic metre of ore will require mining three cubic metres of waste rock.

  • Fortescue Metals Group - Wikipedia

    Fortescue Metals Group Ltd (Often referred to as FMG) is an Australian iron ore company. As of 2017, Fortescue is the fourth largest iron ore producer in the world after BHP, Rio Tinto, and Vale. The company has holdings of more than 87,000 km 2 in the Pilbara region of Western Australia, making it the largest tenement holder in the state, larger than both BHP Billiton and Rio Tinto.

  • Whats the average stripping ratio of open pit mines around

    The stripping ratio in a mine is chosen based on economics. A high grade orebody can support a high stripping ratio. A low grade ore body cannot support a high stripping ratio.

  • Topic 5: Mining Methods-Part I-Surface mining

    Strip-mining: Blast, scoop off rock overburden, and then scoop out ore material. Fairly shallow. Economics of strip mining depend on stripping ratio Large land area can be involved, especially for coal and bauxite. Strip mining. Example: Alcoas Sierra de Bahoruco Aluminum mining in D.R. Southern Peninsula until 1985 39.

  • About Nathan River Resources - Iron Ore Mine Iron Ore

    Operations will target shallow, flat lying BFO Resources with a low strip ratio in deposits E, F and D, and stockpiled BFO from Stage 1 operations. Product upgrade will use silica flotation, a commonly used beneficiation processes for iron ore. Further opportunity for mine life extension from deposits A, B and C

  • mining engineering: STRIPPING RATIO (S)

    Jun 06, 2010· Definition of ore/waste changes! * What is a long ton? Some coal & iron ore trades internationally in long tons! * Consider Bingham Canyon: tons / tons * Consider Rheinbraun: BCM/ tonnes. Uses of Stripping Ratio. a. Definition of pit limits Stripping ratio allows definition of this breakeven point.

  • Project Details Black Iron Inc.

    The life of mine strip ratio is estimated at 1:1 and average operating costs over the 17 years of operation are estimated at US$33/dmt FOB to produce the ultra high-grade 68% iron ore concentrate. The total capital expenditure to develop the mine, concentrator, infrastructure and tie-ins is estimated at US$452 million to produce an initial

  • UP: Metal & Ores STCC

    Gold ore and tailings: 1041110: Gold ore concentrates: 1041210: Humate residue: 1029258: Humate residue: 1092958: Iron Agglomerates: 1011320: Iron bornings: 3399140: Iron concentrates and direct reduced iron: 1011310: Iron or steel bars: 33124: Iron or steel cast pipe or fittings: 33211: Iron or steel forgings: 33911: Iron or steel scrap: 40211

  • Stripping Ratios: What are They and Why are They Important?

    Oct 31, 2018· A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material,

  • Roy Hill Iron Ore Project, Pilbara - Mining Technology

    Roy Hill iron ore project is located in the Pilbara region of Australia. The mine is part of the Chichester Range in Western Australia and is the biggest undeveloped Marra Mamba deposit in the region. Ground breaking for the Remote Operations Centre at the mine. Dredging operations for the

  • Definitive Feasibility Study Results Guelb el Aouj Iron

    The life-of-mine average waste to ore strip ratio is 1.48 on a tonnage basis. A blending strategy has been adopted that will include a blending yard of two 300,000t stockpiles as feed for the beneficiation plant. The Ore Reserves as determined by Golder for the designed pit are as follows: Guelb El wAouj East Deposit Ore Reserves ithnD esgndP

  • Declaration of Stage 1 Ore Reserves - Mt Gibson Iron

    Oct 09, 2020· 59.4% Fe, split approximately 40% lump and 60% fines. The Stage 1 pit has an average waste:ore strip ratio of 4.8:1, and requires approximately three months of pre-strip mining activity. The Project base case assumes ore is trucked approximately 300km by road from the Shine mine site to

  • Razorback Iron Project Magnetite Mines

    The strip ratio is the ratio of waste removed to ore recovered. Razorback Ridge is the most prominent outcrop of ironstone in The Braemar resulting in minimal to no overburden. The current mine plan has determined the stripping ratio to be just 1 : 0.24 for life of mine.

  • Mining Colomi Iron

    Low Strip ratio The deposits are generally flat-lying and outcrop as high ridges at surface, resulting in a low strip ratio (Colomi South 1.01:1). Drill results have shown ore thickness of up to 100m at Colomi North and 150m at Colomi South, with many holes ending in mineralisation.

  • best strip ratio in iron ore mining

    The life of mine strip ratio is estimated at 1:1 and average operating costs over the 17 years of operation are estimated at US$33/dmt FOB to produce the ultra high-grade 68% iron ore concentrate. The total capital expenditure to develop the mine, concentrator, infrastructure and tie-ins is estimated at US$452 million to produce an initial

  • This - Vale

    The iron ore business cash costs and expenses landed in China, adjusted for the sale of pellets, will come in below US$ 25/dmt in 2018 Reduction of strip ratio due to updated mining models Increase of 22% in truck productivity due to higher controlled speed and lower stationary times

  • steel industry glossary passivation pickling ppgi

    Narrow or medium-width hot rolled strip (generally 200-700mm in width) commonly used for the production of welded tube: Sponge iron: A metallic product made by direct reduction of iron, via the removal of oxygen from iron ore. Sponge iron is also known as DRI, or direct reduced iron Slab

  • mining engineering: STRIPPING RATIO (S)

    Jun 06, 2010· Definition of ore/waste changes! * What is a long ton? Some coal & iron ore trades internationally in long tons! * Consider Bingham Canyon: tons / tons * Consider Rheinbraun: BCM/ tonnes. Uses of Stripping Ratio. a. Definition of pit limits Stripping ratio allows definition


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