(PDF) PhD Thesis: Bringing predictability into a geometallurgical

The study was conducted by testing 13 iron ore samples with a Davis tube and a laboratory WLIMS. Ore feed was studied for modal mineralogy and liberation distribution with Automated Scanning ...

BHP Western Australia Iron Ore geotechnical open cut slope …

• A geotechnical model that provides realistic and credible lower case estimates for key parameters. • Analysis that includes indicative probability of failure (PoF) estimates. • …

A framework for managing geotechnical risk across multiple operations

The Geotechnical Management System (GMS) was developed by Rio Tinto Iron Ore (RTIO) to manage geotechnical risks identified during the design process and implementation, and to ensure feedback ...

Geotechnical Considerations for Mining Method Selection of …

Geotechnical analysis plays an important role in determining mining method selection. This study presents the geotechnical design analysis of a potential U/G iron ore Mentes …

(PDF) A review of the methods to incorporate the geological and

trim blasts in an open-pit iron ore mine in Australia. A proper characterisation of rock mass blastability is needed to use the controllable factor in a way to minimise the undesirable conse-

Slope stability risk management in open pit mines

The Nanfen Iron Ore case study showed that ... Apart from the design parameters, the geotechnical engineering team must be familiar with the geology of the mine, i.e., the discontinuities and ...

Production scheduling with uncertain supply: a new solution

The annual production scheduling of open pit mines determines an optimal sequence for annually extracting the mineralized material from the ground. The objective of the optimization process is usually to maximize the total Net Present Value (NPV) of the operation. Production scheduling is typically a Mixed Integer Programming (MIP) type …

Geotechnical Considerations for Mining Method Selection of a

Geotechnical analysis plays an important role in determining mining method selection. This study presents the geotechnical design analysis of a potential U/G iron ore Mentes Mine at Yahyali province of Kayseri district in Turkey. Iron ore body is initially planned to be mined by using long hole mining method.

Geotechnical Considerations for Mining Method Selection of …

Geotechnical analysis plays an important role in determining mining method selection. This study presents the geotechnical design analysis of a potential U/G iron ore Mentes Mine at Yahyali province of Kayseri district in Turkey. Iron ore body is initially planned to be mined by using long hole mining method.

Optimization of the drilling-and-blasting process to improve

Changes in certain mining parameters inevitable lead to the changes in the following downstream processes. In this article, the focus is on the ore fragmentation, which is one of the most important parameters in many mines as it affects the downstream ore preparation and processing efficiencies, productivities and costs.

Mine Planning and Optimisation Techniques Applied in an Iron …

Request PDF | Mine Planning and Optimisation Techniques Applied in an Iron Ore Mine | The surface mine planning and optimisation techniques such as block …

Estimating the Optimal Overall Slope Angle of Open-Pit Mines …

Slope instability of open-pit mines has adverse impacts on the overall mine profitability, safety and environment. The slope of an open-pit mine is crucially influenced by the slope geometry, quality of rock mass and presence of geological features and their properties. The objective of this study is to demonstrate a method to select the optimal …

BHP Western Australia Iron Ore geotechnical open cut slope …

BHP Western Australia Iron Ore (WAIO) own and operate open cut iron ore mines in the Pilbara region of Western Australia. The pits are predominantly in Archean folded banded iron formations with some tertiary age sediments. Approximately 40 active cutbacks are mined at any one time, with ultimate design depths

GEOLOGICAL EXPLORATION AS PER UNFC STAGES …

Mine protection 15-20 % Developed Production planning and mining 0-10 % Measur ed 0-20 % B Estimating mining investment and planning 20-30 % Proved Investment decision mine planning 10-20 % Indicate d 20-40% C 1 Long term development plans for projecting exploration needs. 30-60 % Probable Backup tonnage to proved reserves for investment

(PDF) Geotechnical Considerations for Mining Method …

Geotechnical Considerations for Mining Method Selection of a Potential Underground Iron Ore Mine in Mideastern, Turkey October 2013 DOI: 10.1007/978-3-319-02678-7_47

Drilling Techniques and Drill Holes Logging | SpringerLink

At this iron ore mine the Al 2 O 3 is a metallurgically deleterious component therefore it is important to accurately estimate its ... (Fig. 4.8), hole diameter, geotechnical parameters, are best recorded directly into electronic tables. Qualitative information, including geological descriptions, rock types and textures, mineralisation ...

Electroosmotic Dewatering of Iron Ore Tailings: A Laboratory

Minerals are subjected to ore processing to turn them into usable and saleable raw materials. First of all, the ore is reduced to the smallest size with the crushing-grinding process, and after using water and chemical additives, according to the characteristics of the ore, useful minerals are taken, and unwanted minerals are stored in …

SciELO

Field data collection covered the geotechnical parameters necessary to calculate the characteristic Mining Rock Mass Rating (MRMR) for each geotechnical domain, and to evaluate the stability conditions using the stability index or hydraulic radius of the cave. ... On the other hand, as they are hosted in or near high-grade iron ore mines that ...

Stabilization of iron ore tailings with cement and bentonite: a case

The Golgohar iron ore mine and industrial complex (located near Sirjan, Iran) is one of the most important and largest iron ore producers in the Middle East. With about 1135 million tons total reserve of high-grade iron ore, it is envisaged that the mine would run for more than a century, employing around 5000 workers.

Risk Based Geotechnical Slope Reconciliation at Rio Tinto Iron Ore

Rio Tinto Iron Ore (RTIO) have addressed this challenge at the Brockman Operation by monitoring actual slope performance and. A planar failure of approximately 600 kT occurred on the north wall of ...

(PDF) Geomechanical properties of mixtures of iron ore tailings

Therefore, this study was conducted to describe the parameters of interest, including waste generation, and electricity and water consumption, in the iron mining activity of the Iron Quadrangle in ...

Obtaining resistance parameters in iron ore tailing from field …

Geotechnical parameters of the presented iron ore tailing enhance knowledge of this material disposed in dams, whose stability and integrity are directly related to the effect of these parameters interaction and mobilization. 1 Introduction The mining sector is part of Minas Gerais' history. This fact is proven by its own name.

Easy profit maximization method for open-pit mining

Iron ore concentrate selling price a: V: 125.00 $/t, iron ore concentrate with 65% FeRecovery rate of the concentration plant: U: 75%: Mine operation ore exploitation cost: M: 2.78 $/tCost of removing waste from mine to heap: E: 4.15 $/tOperational cost for concentration plant: B: 16.55 $/tFixed and indirect project costs: F/P: 19.86 $/t

SciELO

In an open pit mine, the geotechnical risk "slope instability" is one of the main concerns for the management of the mining activity in a pit, ... (the Iron Quadrangle). The iron ore found in the area ... This tool can help guide the analysis frequency of the geotechnical parameters used in the risk assessment, define criteria to be taken and ...

Behavioural analysis of iron ore tailings through critical state soil

Understanding the geotechnical properties of iron ore tailings is currently one of the major challenges in the mining industry. With transitions from drained to …

Geotechnical Properties of Mine Tailings and Implications for …

and Indonesia. The iron ore tailings data was obtained from seven mines located in Western and South Australia. The nine sets of nickel tailings data were obtained from Western Australian nickel sulphide mines with both 'oxide ore and fresh hard rock ore. In addition, selected data from tantalite mine tailings and aluminum tailings in

A review of the methods to incorporate the geological and geotechnical

Lilly's blastability index was initially developed to classify all the rock mass types present in the iron ore mines of the Pilbara area in northwest Western Australia. The index has a maximum value of 100 which reflects the characteristics of the heavily massive and hard, iron-rich cap rocks, in the area with a specific gravity of about 4.0 ...

Mining-Induced Deformation in the Malmberget Mine

The Norra Alliansen orebody of the Malmberget sublevel caving mine consists of iron ore interspersed with biotite schist and granitic inclusions. The schist is squeezed between the ore and the host rock and in direct contact with the ore along the majority of the length of the footwall. The schist exhibits high deformation when exposed to stress. …

Mine Planning and Optimisation Techniques Applied in an Iron …

Pilbara Iron Ore Project

FLINDERS MINES LIMITED PILBARA IRON ORE PROJECT GEOTECHNICAL DESK STUDY l:201000-00501 – flinders mines project – pfs10.0 engineeringgeomatics01documentation06 reports201000-00501-2000-ci-rep-0001_0.doc Page 2 201000-00501-2000-CI-REP-0001 : Rev 0 : 1-Sep-10 2. SITE CONDITIONS 2.1 …